Journal articles: 'Textile wastewater treatment'

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Bello, Ibrahim Adebayo. "CHALLENGES IN TEXTILE WASTEWATER AND CURRENT PALLIATIVE METHODS: AN OVERVIEW." IIUM Engineering Journal 18, no. 2 (December 1, 2017): 71–78. http://dx.doi.org/10.31436/iiumej.v18i2.742.

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Effluents from dye and textile industries are highly contaminated and toxic to the environment. High concentration of non-biodegradable compounds contributes to increased biochemical oxygen demand (BOD) and chemical oxygen demand (COD) of the wastewater bodies.Â Dyes found in wastewater from textile industries are carcinogenic, mutagenic or teratogenic. Biological processes involving certain bacteria, fungi, activated carbon and carbon nanotubes (CNTs) are promising methods for treating the waste water. These methods are either inefficient or ineffective.Â These complexities necessitates search for new approaches that will offset all the shortcomings of the present solutions to the challenges faced with textile wastewater management. This article reviews the past and recent methods used in the treatment of the textile dye wastewater and the future opportunities for efficient treatment of textiles wastewaters.

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LATHA, A., P. PARTHEEBAN, and R. GANESAN. "Treatment of Textile Wastewater by Electrochemical Method." International Journal of Earth Sciences and Engineering 10, no. 01 (March 6, 2017): 146–49. http://dx.doi.org/10.21276/ijee.2017.10.0124.

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Chantes, Phutthamon, Chalor Jarusutthirak, Premrudee Kanchanapiya, and Supamas Danwittayakul. "Treatment of Textile Dyeing Wastewater by Electrocoagulation." Key Engineering Materials 659 (August 2015): 284–88. http://dx.doi.org/10.4028/www.scientific.net/kem.659.284.

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Industrial wastewater discharged into environments has been a serious and crucial problem, especially the wastewater from textile industry. It is one of the most harmful wastewaters due to their dark color, high COD and biotoxicity. Electrocoagulation is a technically easy, convenient and quick process that uses an electric field to neutralize the surface charges of contaminants in wastewater leading to coagulation and sedimentation. In this work, electrocoagulation (EC) process employed in the removal of dyes from real Batik wastewater was optimized. The optimum process conditions (∼60% color removal) for laboratory-scale were found to be: anode/cathode = Fe/Al, treatment time = 10 minutes, and electrode gap = 2cm with 30 kWh.m-3 of energy consumption.

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Vithalani, Priya, Ankita Murnal, Parthvi Akheja, Unnati Yagnik, and Nikhil Bhatt. "Review on Recent Technologies for Industrial Wastewater Treatment." International Journal for Research in Applied Science and Engineering Technology 10, no. 8 (August 31, 2022): 1752–57. http://dx.doi.org/10.22214/ijraset.2022.46495.

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Abstract: Textile industry plays key role in any country for its basic needs and urbanization. Due to high demand in textile area, it generates massive amount of toxic wastewater. Generated wastewaters possess impurities and toxicity because of textile dyes containing complex organic chromophore groups. Direct release of wastewater creates lots of environmental issues. Treatments of textile effluent is not easily carried out by physical, chemical and biological methods without any affect. Nanoparticle mediated degradation trending presently but it contains metallic harmful effect so, further study cannot be focused on nanoparticles. However, biological methods are more reliable and environmental friendly for treatment. Various aerobic and anaerobic techniques were developed for treatment of textile effluent. In pilot scale study, researchers had established different types of bioreactors and tried to apply it on large scale in industries. Still, that methods are not that much efficient at large scale. So, advancement of treatment must be carried out by investigator such as microbial fuel cell reactors and biological integration with different physical and chemical processes

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Hasanov, A. A. "ADSORPTION TREATMENT OF TEXTILE WASTEWATER CONTAMINATED WITH SYNTHETIC DYES." Azerbaijan Chemical Journal, no. 3 (September 22, 2022): 70–74. http://dx.doi.org/10.32737/0005-2531-2022-3-70-74.

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The aim of this study is to select an efficient, inexpensive adsorbent for the removal of synthetic dyes from the wastewater of the textile industry. We used waste products obtained during the regeneration of ion-exchange resins formed from highly saline aqueous solutions of calcium and magnesium that do not require pre-treatment, as well as magnesite minerals that contain traces of impurities, such as Fe, Zn, Co, Cd, Mn. The spectrophotometric characteristics of synthetic organic dyes in wastewater have been studied. The study has shown that in the process of adsorption, synthetic organic dyes are adsorbed by 95–99% in less than 15 minutes. Since synthetic organic dyes have active stretching, the adsorbent particles are not deposited in a dispersed colloidal form in the purified water and particle flotation occurs. To prevent this process, we used the required amount of sprayed activated bentonite with a negative charge, since bentonite causes rapid coagulation of dispersed adsorbent particles and also adsorbs dyes. Experiments have shown that to purify 1 liter of water contaminated with synthetic organic dyes, it is sufficient to use 10–15 ml of salt water obtained during the regeneration of ion-exchange resins or 1.5 g of magnesite, or 1.3 g of dolomite. The developed adsorbent eliminates pollutants by reducing the biological and chemical oxygen demand. These reductions are about ~95%. The adsorption treatment which we offer is effective and inexpensive, since the adsorbent is a mixture obtained from industrial waste and local bentonite

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Duy, Nguyen Ngoc, Dang Van Phu, Nguyen Thi Kim Lan, Nguyen Thanh Duoc, Nguyen Quoc Hien, Bui Nghia Hiep, Bui Ngoc Han, and Bui Manh Ha. "Treatment of Real Textile Wastewater Using Electron Beam Irradiation." Acta Chemica Iasi 27, no. 2 (December 1, 2019): 303–16. http://dx.doi.org/10.2478/achi-2019-0019.

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Abstract Textile wastewater is known to have a large number of hazardous pollutants, intense color and high chemical oxygen demand (COD) concentration. The electron beam method is considered useful in treatment textile wastewater through chemical oxidation process. In this study, three real textile wastewaters (Sample 1: Reactive Black 5, Reactive Red 10, and Reactive Orange 13; Sample 2: Reactive Red 10 and Yellow GR; Sample 3: Reactive Black 5 and Turquoise Blue HF–G) from textile dyeing company in Ho Chi Minh city were treated by electron beam method. The effect of absorbed doses and hydrogen peroxide (H2O2) at different concentrations on the change of pH, removal capacity, COD and five day’s biological oxygen demand (BOD5) were investigated. The results indicated that color, COD, BOD5 and pH decreased with increasing absorbed dose. A sufficient amount of H2O2 in the radiation process could accelerate the color removal process. In the same condition, a color removal efficiency of ~90% was obtained with EB/H2O2, in contrast with color loss by using EB alone (~71%). These results highlighted the potential of EB radiation technology for treatment of textile dyeing wastewater.

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Le, Vinh Xuan, Phung Tieu Ly, and Hien Thi To. "Textile wastewater treatment by UV/Fenton process." Science and Technology Development Journal 18, no. 4 (December 30, 2015): 201–11. http://dx.doi.org/10.32508/stdj.v18i4.950.

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The textile wastewater is one of the most complex wastewaters because it contains many persistant organic compounds. In this study, factors effect on UV/Fenton process were investigated including: concentration of H2O2, Fe2+, initial pH, time reaction and the stirring speed. Raw wastewater was aerated for 24 h and filtered by 20 μm filter paper before conducting reactions. The optimum conditions of the UV/Fenton process were attained at 660 mgH2O2/L and 20 mgFe2+/L, pH 3, 90 min irradiation time and 100 rpm stirring speed. Decolorisation and COD removal efficiencies were achieved 94.2 % and 75.5 %, respectively. The ratio of BOD5/COD was increased from 0.1 to 0.45. In addition, the effects of anions Cl-, SO4 2- on the efficient treatment were investigated. Both anions could inhibit the mineralization process due to scavenging of hydroxyl radical as well as forming strong complexes with iron ions.

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Mahne, Dunja, Urška Lavrenčič Štangar, Polonca Trebše, and Tjaša Griessler Bulc. "TiO2-Based Photocatalytic Treatment of Raw and Constructed-Wetland Pretreated Textile Wastewater." International Journal of Photoenergy 2012 (2012): 1–12. http://dx.doi.org/10.1155/2012/725692.

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Approximately, 15% of the total textile colorant production is estimated to be lost during dyeing and processing of textile fibres. If left untreated, these wastewaters can represent a serious environmental threat. In the present paper a combination of photocatalytic and biological degradation of prepared textile wastewaters (simulation of real textile effluent) is presented. Samples have been monitored through the course of photocatalytic experiments: change in UV-VIS absorbance spectra and complete decolouration were achieved for all three tested dyed wastewaters; however, only partial COD removal was achieved with photocatalytic oxidation (PCOx) and photocatalytic ozonation (PCOz). Toxicity test (Vibrio fischeri) of untreated and pretreated (constructed wetland, CW) samples showed a decrease in toxicity values only for the red-dyed wastewater. Comparison of efficiency of PCOx and PCOz for decolouration and mineralization of three structurally different dyes (anthraquinone and two azo dyes) has been done. CW pretreatment caused faster decolouration and substantial COD removal in PCOx (up to 45%). Pretreatment also accelerated decolouration during PCOz, but it accelerated COD removal only in the case of red-dyed wastewater due to short irradiation times applied.

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IOANA CORINA, MOGA, MATACHE MIHAI GABRIEL, and COVALIU ILEANA CRISTINA. "Advanced wastewater treatment stage for textile industry." Industria Textila 69, no. 06 (January 1, 2019): 478–82. http://dx.doi.org/10.35530/it.069.06.1501.

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Dissolved air flotation represents an important stage for wastewater treatment and was used during the last sixty years for different pollutants such as: suspended solids, greases, oils etc. Nowadays, the dissolved air systems are generally applied in industrial wastewater treatment plants, where the amount of pollutants is above the average (textile and leather industry). The research team members developed an innovative DAF unit and realized a laboratory demonstrator (figure 1). The laboratory installation was tested and the efficiency of wastewater treatment was demonstrated. The latest researches proved that flotation reagents have an essential role in the removal of different pollutants. The scientific literature demonstrates that these reagents can be used to remove the pollutants as sludge or foam, Reagents are divided into modifiers, flocculants, depressants, collectors and frothers, depending on their role the flotation process. Nanomaterial utilization in wastewater treatment has become an intensely studied topic. Collectors reagents, based on hydrophobic nanoparticles, can adsorb a larger quantity of pollutants due to the hydrophilic particle surfaces that facilitate the attachment of pollutants to air bubbles generated by the DAF unit. In the present paper, the researchers present that the role of nanoparticles is to facilitate particle-bubble attachment and/or to minimize detachment. The goal of the study is to consider the influence of nanoparticle parameters on the various stages of particle flotation to demonstrate the key role of nanoparticles in removal of pollutants from textile wastewaters.

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Wang, Xin, Dan Su, and Hai Bo Li. "Treatment of Textile Dye Wastewater by Electrocoagulation Method." Advanced Materials Research 281 (July 2011): 276–79. http://dx.doi.org/10.4028/www.scientific.net/amr.281.276.

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Electrocoagulation method for textile dye wastewater treatment was investigated in this study. Results show that electrocoagulation can be used powerfully and effectively in organic matter degradation of textile industrial wastewater, where the extent of COD removal and decolorization are achieved about 75.45% and 84.62% after 25 minutes, respectively. pH for textile dye wastewater ascended higher than that of raw wastewater and temperature increased with electrolysis time. GC-MS spectra suggest that organic pollutants in textile dye wastewater are effectively oxidized and decomposed by direct current electrolysis. In addition, the quality of the upper layer liquid after electrolysis nearly meets the criteria of Discharge Standard of Water Pollutants for Dyeing and Finishing of Textile Industry (GB4287-92) of China.

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Wang, Xiaoxuan, Jinming Jiang, and Weijun Gao. "Reviewing textile wastewater produced by industries: characteristics, environmental impacts, and treatment strategies." Water Science and Technology 85, no. 7 (March 11, 2022): 2076–96. http://dx.doi.org/10.2166/wst.2022.088.

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Abstract The textile industry is one of the most intensive industries in chemical products whose wastewater contains hazardous dyes, pigments, dissolved/suspended solids, and heavy metals. Hence, it is important to effectively treat the wastewater generated by this industry before releasing it into the environment. Although the field of textile wastewater treatment has made tremendous progress, the developed treatment methods should be improved further to make them economically viable and friendly. In this review, characteristics of textile wastewater are introduced. We have primarily focused on the environmental impact and toxicity of textile wastewater. Toxic and harmful contaminants must be removed from textile wastewater to reduce the extent of environmental pollution caused when textile wastewater is released into rivers or reused. Hence, various techniques that are used to treat textile wastewater are discussed. Finally, the challenges faced, and prospects of the methods have been discussed in detail.

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Adane, Teshale, Amare Tiruneh Adugna, and Esayas Alemayehu. "Textile Industry Effluent Treatment Techniques." Journal of Chemistry 2021 (July 28, 2021): 1–14. http://dx.doi.org/10.1155/2021/5314404.

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Dyes and other chemicals laden wastewater is a main environmental concern for increasing the textile industries in many parts of the world. Textile industries consume different kinds of manmade dyes or other chemicals and release huge extents of highly polluted water into the environment. This excessive dye laden wastewater has great impacts on photosynthetic activity in aquatic plants and animals, for example, fish. It may also affect human health due to the presence of components like heavy metals and chlorine in manmade dyes. Thus, wastewater effluent from textile industries must be treated before discharge into the water body. Treatment technologies observed in this review paper include biological treatment methods (fungi, algae, bacteria, and microbial fuel cells), chemical treatment methods (photocatalytic oxidation, ozone, and Fenton’s process), and physicochemical treatment methods (adsorption, ion exchange, coagulation, and filtration). This review also includes the hybrid treatment methods and their cost per m3 of treated wastewater analysis. There are alternative wastewater treatments systems at different steps of effluent generated from the textile operational unit recommend in this review work.

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AYRANPINAR, İrem, Melike KOZAK, Serdar GÖÇER, and Kevser CIRIK. "THE EFFECT OF IMMOBILIZED ENZYME ON TEXTILE WASTEWATER." Kahramanmaraş Sütçü İmam Üniversitesi Mühendislik Bilimleri Dergisi 27, no. 1 (March 3, 2024): 287–92. http://dx.doi.org/10.17780/ksujes.1387514.

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Textile wastewater has a complex composition characterized by high dye content and chemical oxygen demand. Therefore, textile wastewaters have serious environmental impacts, such as aesthetic degradation, and carcinogenic properties. Treatment and the recovery of textile wastewater are important due to their high volume and toxicity. The effects of peroxidase enzyme immobilized on magnetic chitosan-clay beads of synthetic textile wastewater were investigated in a batch reactor. System performance was determined by chemical oxygen demand (COD) and color. The batch reactor was operated in three different pH (5, 7, 10), temperatures (25, 35, 45 °C), and reaction times (0-5-10-20-30 min.) with synthetic textile wastewater. As a result, COD and color removal efficiencies were determined as 44% and 56%, respectively, corresponding effluent concentrations are 1442 mg/L, 450 Pt-Co. The results of this study show that using the enzyme immobilization process is an effective method to remove color and COD concentration from textile wastewater.

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Cerqueira, A., C. Russo, and M. R. C. Marques. "Electroflocculation for textile wastewater treatment." Brazilian Journal of Chemical Engineering 26, no. 4 (December 2009): 659–68. http://dx.doi.org/10.1590/s0104-66322009000400004.

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Dubey, Shashi Kant. "Biochemical Treatment of Textile Wastewater." International Journal for Research in Applied Science and Engineering Technology 6, no. 1 (January 31, 2018): 266–73. http://dx.doi.org/10.22214/ijraset.2018.1041.

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Naumczyk, J., L. Szpyrkowicz, and F. Zilio-Grandi. "Electrochemical treatment of textile wastewater." Water Science and Technology 34, no. 11 (December 1, 1996): 17–24. http://dx.doi.org/10.2166/wst.1996.0258.

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The treatment of textile wastewater, containing a high concentration of Cl- ion, by an electrochemical method using Ti/RuO2, Ti/Pt and Ti/Pt/Ir electrodes is investigated. All three anodes proved to be very effective in direct or indirect oxidation of organics present in the wastewater. After 60 min of electrolysis at 6 A/dm2, COD was reduced by 85-92% and DOC by about 85%. Of the three electrodes tested, the efficiency of organics removal followed the order: Ti/RuO2 > Ti/Pt > Ti/Pt/Ir. The electrochemical treatment of textile wastewater resulted in the production of many chloroorganics in high concentration. GC-MS analysis showed the presence of the following major products: 1,1-dichlorocyclopentene, 2,3-dichloro-2-methylbutane, chloromethylsilane, 2,3-dichloro-2-methyl butanoic acid, 2,3-dichloro-2-methyl propanol, 2,3-dimethyl-2, 3-butanediol and 2-butylphenol.

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Sala, Mireia, and M. Carmen Gutiérrez-Bouzán. "Electrochemical Techniques in Textile Processes and Wastewater Treatment." International Journal of Photoenergy 2012 (2012): 1–12. http://dx.doi.org/10.1155/2012/629103.

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The textile industry uses the electrochemical techniques both in textile processes (such as manufacturing fibers, dyeing processes, and decolorizing fabrics) and in wastewaters treatments (color removal). Electrochemical reduction reactions are mostly used in sulfur and vat dyeing, but in some cases, they are applied to effluents discoloration. However, the main applications of electrochemical treatments in the textile sector are based on oxidation reactions. Most of electrochemical oxidation processes involve indirect reactions which imply the generation of hypochlorite or hydroxyl radical in situ. These electrogenerated species are able to bleach indigo-dyed denim fabrics and to degrade dyes in wastewater in order to achieve the effluent color removal. The aim of this paper is to review the electrochemical techniques applied to textile industry. In particular, they are an efficient method to remove color of textile effluents. The reuse of the discolored effluent is possible, which implies an important saving of salt and water (i.e., by means of the “UVEC Cell”).

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Bellucci, Micol, Francesca Marazzi, Alida Musatti, Riccardo Fornaroli, Andrea Turolla, Simone Visigalli, Martina Bargna, et al. "Assessment of anammox, microalgae and white-rot fungi-based processes for the treatment of textile wastewater." PLOS ONE 16, no. 3 (March 2, 2021): e0247452. http://dx.doi.org/10.1371/journal.pone.0247452.

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The treatability of seven wastewater samples generated by a textile digital printing industry was evaluated by employing 1) anammox-based processes for nitrogen removal 2) microalgae (Chlorella vulgaris) for nutrient uptake and biomass production 3) white-rot fungi (Pleurotus ostreatus and Phanerochaete chrysosporium) for decolorization and laccase activity. The biodegradative potential of each type of organism was determined in batch tests and correlated with the main characteristics of the textile wastewaters through statistical analyses. The maximum specific anammox activity ranged between 0.1 and 0.2 g N g VSS-1 d-1 depending on the sample of wastewater; the photosynthetic efficiency of the microalgae decreased up to 50% during the first 24 hours of contact with the textile wastewaters, but it improved from then on; Pleurotus ostreatus synthetized laccases and removed between 20–62% of the colour after 14 days, while the enzymatic activity of Phanerochaete chrysosporium was inhibited. Overall, the findings suggest that all microbes have great potential for the treatment and valorisation of textile wastewater after tailored adaptation phases. Yet, the depurative efficiency can be probably enhanced by combining the different processes in sequence.

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Rame, Rame. "Potential of Catalytic Ozonation in Treatment of Industrial Textile Wastewater in Indonesia: Review." Jurnal Riset Teknologi Pencegahan Pencemaran Industri 11, no. 1 (May 21, 2020): 1–11. http://dx.doi.org/10.21771/jrtppi.2020.v11.no1.p1-11.

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Industrial textile wastewater is one of the most heavily polluting in Indonesia. Wastewater from industrial textile contains organic contamination that is very difficult to remove pollutants that remaining even though it has been through the usual wastewater treatment unit installed and bio refractory in nature. Toxic organic compounds discharged from the textile industry, such as colored dyes, heavy metals, and various chemicals, will hurt the environment. These contaminants have been proven toxic to the biotic environment, such as mutagenic, which can increase the incidence of cancer and endocrine disruptor effects. Removal of contaminants from industrial textile wastewater is currently one of the most critical subjects in water pollution prevention. Applications of catalytic ozonation treatment initially, powder catalysts have been employed, and later, the use of activated carbon materials in more advanced catalyst structures reported, and more sophisticated types of catalyst equipment namely carbon nanotube, and nanoparticles. In-depth research on the combination of ozonation and catalytic research of industrial textile wastewater treatment has the potential to become a well-developed approach to treatment industrial textile wastewater. This review provides process principles and characteristics, including the use of various catalysts, variations in reactor design, and application catalytic ozonation in synthetic textile wastewater and real industrial textile wastewater outlined and discussed. Include future research directions of the treatment of industrial textile wastewater in to clean water with drink quality.

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Melese, Meseretu. "Textile Wastewater and Treatment Technologies: A Review." OMO International Journal of Sciences 3, no. 1 (June 1, 2020): 33–55. http://dx.doi.org/10.59122/134a47f.

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Textile industry is one of the most common and essential sectors in the world and it is responsible for one of the major environmental pollution problems in the world because it releases undesirable dye effluents. Textile wastewater contains dyes mixed with various contaminants at a variety of ranges. The toxic and carcinogenic effect of untreated textile effluent is well understood. The decolorization and detoxification of industrial dye effluents is most important aspect and is major concern to meet environmental regulations. This paper presents a review of literature on characteristics, composition of textile wastewater and conventional treatment methodologies for textile wastewater with their advantages and disadvantages. Over the years, researchers have developed several bioremediation technologies to treat textile effluents but little effort has been made to put the entire literature review of these technologies in one refereed paper, this review paper is an attempt to compile the existing information on various treatment technologies of textile effluent.

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Salim, Márcia M. F. F., Aline Novack, Petrick A. Soares, Ângela Medeiros, Miguel A. Granato, Antonio A. U. Souza, Vítor J. P. Vilar, and Selene M. A. Guelli U. Souza. "Photochemical UVC/H2O2 oxidation system as an effective method for the decolourisation of bio-treated textile wastewaters: towards onsite water reuse." RSC Advances 6, no. 93 (2016): 90631–45. http://dx.doi.org/10.1039/c6ra15615k.

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A photochemical UVC/H₂O₂ oxidation system was applied for the decolourisation of two real textile wastewaters collected after biological oxidation from two different textile wastewater treatment plants.

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Osorio Echavarría, Juliana, Ana Isabel Vidal Benavides, and Juan Carlos Quintero Díaz. "Decolorization of textile wastewater using the white rot fungi anamorph R1 of Bjerkandera sp." Revista Facultad de Ingeniería Universidad de Antioquia, no. 57 (February 28, 2013): 85–93. http://dx.doi.org/10.17533/udea.redin.14647.

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Decolorization of synthetic and industrial wastewaters from textile industry by the anamorph R1 of white rot fungiBjerkandera sp. was evaluated. The presence of NaCl and Na2CO3 wastewater concentration and treatment with non-sterile wastewater on decolorization were analyzed. In addition, the decolorization effect on wastewater toxicity was analyzed with Vibrio fischerias target microorganism. The presence of salts in the treatment increased the lignin peroxidase activity from 5 to 20 U/L, without detriment of manganese peroxidase activity which remained at 70 U/L, also. The presence of salts also enhances dye adsorption degree over fungi biomass, improving the decolorization by the two mechanisms, degradation and adsorption. In hipersaline synthetic wastewater, the percentage of decolorization was 75%. The decolorization treatment of sterile textile effluents reached 65% in 8 days and the toxicity reduction was 58% with respect to untreated textile effluents. In non-sterile textile effluents, only 40% of decolorization was obtained. The presence of contaminant microorganisms which compete by substrate and increase pH by fungus metabolism, were likely the main causes of low decolorization.

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Muhamad, N. A. S., M. A. H. M. Hanoin, N. M. Mokhtar, and R. Naim. "Insights into Membrane Distillation Application for Textile Wastewater Treatment – A Review." Journal of Applied Membrane Science & Technology 25, no. 3 (November 7, 2021): 29–51. http://dx.doi.org/10.11113/amst.v25n3.219.

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Textile wastewater must be effectively treated with the best available technology prior to release to receiving water bodies to prevent its impact on the environment. Apparently, membrane distillation shows great potential in treating textile wastewater a part of the complexity of the textile wastewater composition. This membrane process enables the water vapour to pass through its porous hydrophobic membrane and retains the concentrated pollutants to be transported. This paper provides data and information from previous studies using membrane distillation to treat textile wastewater. An overview of the development of membrane distillation as well as the fundamental theory is presented. Recent progress in the application of membrane distillation in textile wastewater is then discussed. The final part of the paper looked at the future orientation of this technology to be acceptable in the industrial sector, especially for the textile industry.

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Lotito, A. M., U. Fratino, A. Mancini, G. Bergna, and C. Di Iaconi. "Is a sequencing batch biofilter granular reactor suitable for textile wastewater treatment?" Water Science and Technology 66, no. 7 (October 1, 2012): 1392–98. http://dx.doi.org/10.2166/wst.2012.312.

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The textile industry releases highly polluted and complex wastewaters, which are difficult to treat and require numerous treatment steps. Innovative technologies for on-site treatment at each factory would permit cost reduction. For this reason, we ran a laboratory-scale study to assess the suitability of a sequencing batch biofilter granular reactor (SBBGR) for textile wastewater treatment, testing four different types of wastewater. Results demonstrate that wastewater characteristics greatly affect the reactor efficiency. Hence, a pre-study is advisable to define the best operational conditions and the maximum treatment capability for the wastewater under analysis. Nevertheless, SBBGR is a valuable biological treatment, effective in the reduction of pollutant load with stable performances despite the variability in wastewater composition. Tests with ozone integration have demonstrated that it is possible to dose small quantities of ozone to obtain an effluent suitable for direct discharge. However, a dynamic ozone dosage should be used to optimize the process as the correct ozone dose strongly depends on the wastewater composition.

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Sirianuntapiboon, Suntud, and Weerapong Saengow. "Removal of Vat Dyes from Textile Wastewater Using Biosludge." Water Quality Research Journal 39, no. 3 (August 1, 2004): 276–84. http://dx.doi.org/10.2166/wqrj.2004.038.

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Abstract Biosludge from a wastewater treatment plant was able to adsorb colourants, particularly vat dyes, from textile wastewater. Autoclaved and resting biosludge showed different adsorption abilities with different types of vat dyes. The adsorption ability of the biosludge increased with an increase in sludge age (solid retention time; SRT). Autoclaved biosludge showed the highest adsorption ability under acidic conditions (pH 3) while the resting biosludge showed the highest adsorption ability under neutral or weak alkaline conditions. The maximum colourant (Vat Black 25) adsorption capacities of autoclaved and resting biosludge with a sludge age of 24 days were 85.54 ± 0.5 and 37.59 ± 0.6 mg/g biosludge, respectively. Using a sequencing batch reactor (SBR) system, the biosludge was able to remove both organic matter and colourants from both textile and synthetic textile wastewaters. The removal efficiencies of the system increased with an increase in SRT of the system. The removal efficiency of the system with textile wastewater was lower than with synthetic textile wastewater. The BOD5 and colourant removal efficiency of the SBR system with textile and synthetic textile industrial wastewaters under a BOD5 loading of 0.13 kg BOD/m3-d were 70.1 ± 4.4% and 84.9 ± 2.0%, and 98.1 ± 1.5% and 87.5 ± 5.1%, respectively.

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Giwa, Saidat Olanipekun. "Use of Nature Based Materials for Textile Wastewater Treatment - A Review." International Journal of Engineering Research in Africa 63 (March 30, 2023): 45–65. http://dx.doi.org/10.4028/p-6ope95.

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Textile products remain one of the basic products the human being cannot do without. Textile manufacturing industry is an important source point of waste water as the production of textiles requires large amount of water and over 90% of the water is discharged as waste. Due to the fact that textile products are produced in varieties of colours and patterns, use of dyes and other chemicals are usually unavoidable. consequently, effluents from the manufacturing process contain a quite number of organic and inorganic chemical compounds that have been found to have hazardous impacts on the environment. Coagulation and adsorption processes are important parts conventional waste water treatment methods. The cost of acquiring chemical coagulants and activated adsorbent has triggered research towards low cost alternatives with eco-friendly properties. In this paper, the use of natural coagulants and adsorbents for treatment of textile wastewater is looked into to cover various types of the natural materials employed for the abatement of various pollutants from the industrial effluent. The principle of adsorption and coagulations, methods used in the preparation of the natural coagulants and adsorbents and their application to real textile wastewater-this covers the review of reported works in the recent decade and the latest trend in the treatment textile waste water in such a way that environmental protection and human health are prioritized as textile waste water is known for its toxic constituents. In addition, the survey reveals the research gap in the area of application of nature based materials to industrial textile waste water which may be of importance for intending researchers in natural coagulation and adsorption.

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Martins, Rúben A., Eva M. Salgado, Ana L. Gonçalves, Ana F. Esteves, and José C. M. Pires. "Microalgae-Based Remediation of Real Textile Wastewater: Assessing Pollutant Removal and Biomass Valorisation." Bioengineering 11, no. 1 (January 1, 2024): 44. http://dx.doi.org/10.3390/bioengineering11010044.

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The textile industry generates highly contaminated wastewater. It severely threatens local ecosystems without proper treatment, significantly diminishing biodiversity near the discharge point. With rapid growth rates, microalgae offer an effective solution to mitigate the environmental impact of textile wastewater, and the generated biomass can be valorised. This study sets out to achieve two primary objectives: (i) to assess the removal of pollutants by Chlorella vulgaris from two distinct real textile wastewaters (without dilution) and (ii) to evaluate microalgal biomass composition for further valorisation (in a circular economy approach). Microalgae grew successfully with growth rates ranging from 0.234 ± 0.005 to 0.290 ± 0.003 d−1 and average productivities ranging from 78 ± 3 to 112.39 ± 0.07 mgDW L−1 d−1. All cultures demonstrated a significant reduction in nutrient concentrations for values below the legal limits for discharge, except for COD in effluent 2. Furthermore, the pigment concentration in the culture increased during textile effluent treatment, presenting a distinct advantage over conventional ones due to the economic value of produced biomass and pigments. This study underscores the promise of microalgae in textile wastewater treatment and provides valuable insights into their role in addressing the environmental challenges the textile industry poses.

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Fu, Zhi Min, Yu Gao Zhang, and Xiao Jun Wang. "Treatment Textiles Wastewater Using Anoxic Filter Bed and Biological Wriggle Bed-Ozone Biological Aerated Filter." Advanced Materials Research 518-523 (May 2012): 2961–64. http://dx.doi.org/10.4028/www.scientific.net/amr.518-523.2961.

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Organic polymer carrier was utilized to treat textile wastewater. Results showed that COD removal efficiency was almost 82.8%. The average effluent COD concentration was 132.6 mg/L. The effluent colority was about 200 times. Experiment indicated that ceramic granular carrier was better than polymer carrier when ultlized to treat textil wastewater.

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Khan, F., M. Waddadar, and T. Ahmed. "Textile wastewater treatment by anaerobic sludge blanket reactor." Bangladesh Journal of Scientific and Industrial Research 55, no. 3 (September 24, 2020): 165–72. http://dx.doi.org/10.3329/bjsir.v55i3.49389.

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In this study, performance of a lab-scale hybrid up-flow anaerobic sludge blanket (HUASB) reactor treating textile wastewater was evaluated under several operating conditions such as i) textile wastewater mixed up with glucose as food, ii) textile wastewater seeded with sewage sludge and glucose and iii) textile wastewater only. In all cases, two days of incubation period was provided for bacterial growth. In the first case, Klebsiella was the primary Species of bacteria growing in the reactor and the removal efficiency of COD and color was 25% and 56.4% respectively. In the second case, Klebsiella and Escherichia coli were the major bacteria and removal efficiency of COD and color was found to be 38% and 65% respectively. In the last case, Pseudomonas bacterium was dominant in the reactor and removal efficiency of COD, BOD and color was 84%, 93%, and 97% respectively. Wastewater treatment without glucose favored the growth of Pseudomonas which has been found to be effective in degrading organics present in textile wastewater. For all cases, reactor performance decreased after the third or fourth cycle of treatment. However, the removal of sludge after the third cycle allowed a high degradation efficiency of organics to be maintained in the reactor. With proper bacterial growth and maintenance, the HUASB reactor can be a huge upgrade from conventional UASB and a suitable alternative to conventional processes for the treatment of textile wastewater. Bangladesh J. Sci. Ind. Res.55(3), 165-172, 2020

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Mkilima, Timoth, Kulyash Meiramkulova, Ubaidulayeva Nurbala, Amanbek Zandybay, Mansur Khusainov, Nurgul Nurmukhanbetova, Lyazzat Tastanova, Toghan Mashan, and Abdilda Meirbekov. "Investigating the Influence of Column Depth on the Treatment of Textile Wastewater Using Natural Zeolite." Molecules 26, no. 22 (November 21, 2021): 7030. http://dx.doi.org/10.3390/molecules26227030.

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Textile industry production processes generate one of the most highly polluted wastewaters in the world. Unfortunately, the field is also challenged by the availability of relatively cheap and highly effective technologies for wastewater purification. The application of natural zeolite as a depth filter offers an alternative and potential approach for textile wastewater treatment. The performance of a depth filter treatment system can be deeply affected by the column depth and the characteristics of the wastewater to be treated. Regrettably, the information on the potential of these filter materials for the purification of textile wastewater is still scarce. Therefore, this study investigated the potential applicability of natural zeolite in terms of column depth for the treatment of textile wastewater. From the analysis results, it was observed that the filtration efficiencies were relatively low (6.1 to 13.7%) for some parameters such as total dissolved solids, electrical conductivity, chemical oxygen demand, and sodium chloride when the wastewater samples were subjected to the 0.5 m column depth. Relatively high efficiency of 82 and 93.8% was observed from color and total suspended solids, respectively, when the wastewater samples were subjected to the 0.5 m column depth. Generally, the 0.75 m column depth achieved removal efficiencies ranging from 52.3% to 97.5%, whereas the 1 m column depth achieved removal efficiencies ranging from 86.9% to 99.4%. The highest removal efficiency was achieved with a combination of total suspended solids and 1 m column depth (99.4%). In summary, the treatment approach was observed to be highly effective for the removal of total suspended solids, with a 93.8% removal efficiency when the wastewater was subjected to the 0.5 m column depth, 97.5% for 0.75 m column depth, and 99.4% for 1 m column depth. Moreover, up to 218.233 mg of color per g of the filter material was captured. The results derived in this study provide useful information towards the potential applicability of natural zeolite in the textile wastewater treatment field.

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Zahuri, Afnan Ahmadi, Muhamad Fazly Abdul Patah, Yusniza Kamarulzaman, Nor Hazlina Hashim, Thinaranjeney Thirumoorthi, Wan Hanna Melini Wan Mohtar, Zarimah Mohd Hanafiah, Zulhelmi Amir, and Wan Abd Al Qadr Imad Wan-Mohtar. "Decolourisation of Real Industrial and Synthetic Textile Dye Wastewater Using Activated Dolomite." Water 15, no. 6 (March 17, 2023): 1172. http://dx.doi.org/10.3390/w15061172.

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Textile effluent accounts for 22% of the total industrial wastewater produced in Malaysia. Due to their ubiquitous use in organic dyes, inefficiently treated textile wastewaters pose environmental and health hazards. Colour, chemical oxygen demand, biochemical oxygen demand, toxic metals and microbes are the commonly targeted water quality parameters in untreated textile fluids. Furthermore, their non-biodegradability and high colour intensity may reduce aquatic diversity by blocking the sunlight. Recently, physical treatment, principally adsorption, has been conducted. Dolomite has additional features, such as performing as a heavy metal and microbe remover. This study employed dolomite for treating textile dye wastewater from a commercial textile manufacturer and synthetic effluent containing methyl orange. Different sizes of dolomite were activated at different temperatures and subsequently added to the water samples in varying amounts. After 2 h of agitation at 100 rpm and sedimentation for 24 h, their absorbance reading was taken. Their morphological, decolourisation percentage, chemical oxygen demand reduction percentage and bacterial growth post-treatment were examined. Despite variances in dolomite’s capacity to decolourise colours, the treatment proved effective in decolourising dyes, removing chemical oxygen demand and reducing bacterial growth. The most significant percentages of decolourisation observed were 98.7% for real textile dye wastewater (RTDW) and 78.0% for synthetic textile dye wastewater (STDW), while for chemical oxygen demand, reductions were 66.7% for RTDW and 73.9% for STDW, respectively. As for microbe growth inhibition, the highest growth reduction percentages were 99.7% and 98.6% for RTDW and STDW, respectively.

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TUSIEF, Muhammad Qamar, Mumtaz Hasan MALIK, Muhammad MOHSIN, and Hafiz Naeem ASGHAR. "TREATMENT OF TEXTILEWASTEWATER USING MICROBES’ INOCULATED FREE-FLOATINGAQUATICPLANTSBASED WETLANDS." TEXTEH Proceedings 2019 (November 5, 2019): 114–24. http://dx.doi.org/10.35530/tt.2019.26.

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Textile wastewater is a big source of aquatic and environmental pollution. Currently, various physicochemical textile effluent treatments are practiced in the textile industry, but they have challenges with respect to cost, maintenance, labour management, chemicals usage and production of additional sludge. The present study was carried out to develop a less expensive, chemical- free, green and sustainable plant based floating treatment wetlands (FTWs) system augmented with bacteria to remedy the effluents from textile finishing unit. Two free-floating aquatic plants, Eichhornia crassipes and Pistia stratiotes, were vegetated to develop FTWs system and its efficacy was studied with and without inoculating two plant growth-promoting and pollutant- degrading bacteria, Bacillus cereus and Bacillus subtilis. The worth of this system was analyzed by screening physicochemical parameters like potential hydrogen (pH), electric conductivity (EC), total dissolved solids (TDS), total suspended solids (TSS), biological oxygen demand (BOD) and chemical oxygen demand (COD) of wastewater for hydraulic retention periods of 0, 24, 48 and 72 hours. The pH of the treated wastewaters was changed from acidic to neutral/alkaline side while a significant reduction was found in all other physiochemical parameters as per set limits of industrial and municipal wastewater standards as specified by the National Environmental Quality Standards (NEQS) of Pak istan and Zero Discharge of Hazardous Chemicals (ZDHC) program.

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Lubello, C., and R. Gori. "Membrane bio-reactor for advanced textile wastewater treatment and reuse." Water Science and Technology 50, no. 2 (July 1, 2004): 113–19. http://dx.doi.org/10.2166/wst.2004.0102.

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Textile wastewater contains slowly- or non-biodegradable organic substances whose removal or transformation calls for advanced tertiary treatments downstream Activated Sludge Treatment Plants (ASTP). This work is focused on the treatment of textile industry wastewater using Membrane Bio-reactor (MBR) technology. An experimental activity was carried out at the Baciacavallo Wastewater Treatment Plant (WWTP) (Prato, Italy) to verify the efficiency of a pilot-scale MBR for the treatment of municipal wastewater, in which textile industry wastewater predominates. In the Baciacavallo WWTP the biological section is followed by a coagulation-flocculation treatment and ozonation. During the 5 months experimental period, the pilot-scale MBR proved to be very effective for wastewater reclamation. On average, removal efficiency of the pilot plant (93% for COD, 96% for ammonium and 99% for total suspended solids) was higher than the WWTP ones. Color was removed as in the WWTP. Anionic surfactants removal of pilot plant and WWTP were very similar (92.5 and 93.3% respectively), while the non-ionic surfactants removal was higher in the pilot plant (99.2 vs. 97.1). In conclusion the MBR technology demonstrated to be effective for textile wastewater reclamation, leading both to an improvement of pollutants removal and to a draw-plate simplification.

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Orupõld, K., K. Hellat, and T. Tenno. "Estimation of treatability of different industrial wastewaters by activated sludge oxygen uptake measurements." Water Science and Technology 40, no. 1 (July 1, 1999): 31–36. http://dx.doi.org/10.2166/wst.1999.0008.

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The activated sludge short-term respiration measurement is proposed for assessing the properties of activated sludge and biological treatability of wastewaters. Different influents to the wastewater treatment plant were analyzed and compared on the basis of exogenous oxygen uptake rates of activated sludge. The kinetic parameters of biodegradation processes were determined by monitoring the degradation-associated oxygen consumption in tests with different amounts of wastewaters from textile industries and tanneries. The short-term oxygen demands in the tests formed 25-45% of the biochemical oxygen demand of the textile industry wastewater.

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Gähr, Frank, Frank Hermanutz, and Wilhelm Oppermann. "OZONATION – AN IMPORTANT TECHNIQUE TO COMPLY WITH NEW GERMAN LAWS FOR TEXTILE WASTEWATER TREATMENT." Water Science and Technology 30, no. 3 (August 1, 1994): 255–63. http://dx.doi.org/10.2166/wst.1994.0115.

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The German textile industry is challenged by the introduction of new governmental regulations in the field of textile wastewater treatment This causes a large increase of water costs in comparison with other European countries. Many economic experts even see Germany seriously endangered as a place of textile production, however there are also opportunities with the development of high performance cleaning technologies as a result of these governmental measures. In particular the required separate treatment of selected wastewaters of different fmishing processes bas some good perspectives since specialized wastewater techniques can be applied efficiently. For instance the separation of unfixed reactive dyes is the ideal basis for ozone oxidation. Ozonation being a sludge-free method to decompose dyestuff, fmishing products, and other organic materials is of increasing importance because of the limited space for disposal of sludges. Other advantages of ozone treatment are the improvement of biodegradability, reduction of aromatic and halogenated organic compounds and also a significant decrease of chemical oxygen demand. The ozonation of textile wastewaters in combination with inexpensive biological processes has the potential to play a major role in the future. Partial replacement of coagulation/precipitation can be expected.

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Bidu, J. M., B. Van der Bruggen, M. J. Rwiza, and K. N. Njau. "Current status of textile wastewater management practices and effluent characteristics in Tanzania." Water Science and Technology 83, no. 10 (April 5, 2021): 2363–76. http://dx.doi.org/10.2166/wst.2021.133.

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Abstract Textile wastewater from wet processing units is a major environmental problem. Most chemicals, including dyes, are only partly consumed, resulting in highly colored wastewater containing a variety of chemicals released into the environment. This paper gives information on the current management of textile wastewater in Tanzania. A semiquantitative analysis was done to identify the main types of chemicals used in wet processing units, wastewater characteristics and existing wastewater treatment methods in the textile industry. The performance evaluation of the existing wastewater treatment plants is also discussed. The advantages of integrating constructed wetlands with the existing treatment facilities for textile wastewater are explained. It has been observed that pretreatment and dying/printing of the fabrics are the main two processes that produce wastewater in many textile companies. Main pollutants are chemicals used from pretreatment and materials removed from de-sizing, bleaching and scouring processes. Dyes, printing pigments and dye auxiliaries are the main pollutants from the dyeing/printing process. Most of the textile companies in Tanzania are equipped with effluent treatment plants. Wastewater treatment plants have basically similar units, which are coagulation-flocculation, sedimentation through clarifiers and aerobic reactor. However, their effluents do not meet discharge limits stipulated by the Tanzania Bureau of Standards (TBS).

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Ikhtiyarova, Gulnora, Nailya Valeeva, Munira Aripdzhanova, Mukhabbat Ayupova, and Gulnoza Usmanova. "Development of a sorbent based on chitosan and vermiculite for purification of textile wastewater." E3S Web of Conferences 434 (2023): 02033. http://dx.doi.org/10.1051/e3sconf/202343402033.

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The study detailed in the article has led to the creation of a novel botanical adsorbent. This adsorbent is formulated using a combination of chitosan, which is sourced from Apis mellifera (honeybees), and vermiculite. The primary application of this adsorbent is targeted towards the treatment of wastewater generated by the textile industry. The article also presents a comparative analysis of two distinct procedures: one involving organovermiculite and the other involving vermiculite that has been modified using hydrochloric acid. The objective of this research is to explore the potential of this newly developed adsorbent as an effective solution for treating wastewater generated by the textile sector. The inclusion of chitosan derived from Apis mellifera enhances the adsorption capabilities of the material. Additionally, vermiculite, a naturally occurring mineral with adsorption properties, is incorporated to further augment the adsorbent’s efficiency. The article systematically compares two methodologies for preparing the adsorbent: one involves the utilization of organovermiculite, while the other involves the modification of vermiculite through treatment with hydrochloric acid. This comparison delves into the nuances of each approach, assessing their respective effectiveness and potential advantages for textile wastewater treatment. This study underscores the innovative strides being taken in the field of wastewater treatment, utilizing unique combinations of natural materials to address environmental challenges posed by industries like textiles. The development of this botanical adsorbent demonstrates a promising approach to tackling wastewater issues and promoting sustainable practices within the textile sector.

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Stern, S. R., L. Szpyrkowicz, and I. Rodighiero. "Anaerobic treatment of textile dyeing wastewater." Water Science and Technology 47, no. 10 (May 1, 2003): 55–59. http://dx.doi.org/10.2166/wst.2003.0537.

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Aerobic treatment commonly applied to textile wastewater results in good or even excellent removal of organic load. This is not, however, accompanied by an equally good removal of colour. Traditional or advanced chemical methods of decolourisation are costly and not always reliable in justifying an interest in microbial decolourisation. Among several processes anaerobic methods seem most promising. In this paper, the results of a study conducted in two pilot-scale plants comprising anaerobic fixed bed biofilters of 15 L and 5 m3 operating as continuous reactors are presented, along with evaluation of the microbial kinetics. As is shown the process proved efficient in a long-term study with no stability problems of the biofilters. The six-month performance of the pilot plant confirmed also that the pre-treated wastewater could be applied in the operation of dyeing. For the majority of the colours applied in the factory no problems were encountered when the dyeing baths were prepared by substituting 30% of fresh water to the effluent treated by a sequence of activated sludge processes: anaerobic-aerobic.

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ACUNER, E., and F. B. DİLEK. "Algal Treatment of Textile Dyehouse Wastewater." Proceedings of the Water Environment Federation 2002, no. 11 (January 1, 2002): 243. http://dx.doi.org/10.2175/193864702784900543.

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Wantoputri, Noviani Ima, Qomarudin Helmy, and Suprihanto Notodarmojo. "Textile Wastewater Post Treatment Using Ozonation." Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan 18, no. 1 (March 16, 2021): 56–63. http://dx.doi.org/10.14710/presipitasi.v18i1.56-63.

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Han, Bing, Tie-Hong Song, Kun Zhang, and Xiao-Ling Wang. "Textile Wastewater Treatment by Electrocoagulation Method." Asian Journal of Chemistry 26, no. 15 (2014): 4785–88. http://dx.doi.org/10.14233/ajchem.2014.16223.

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Assadi, Mahnaz Mazaheri, and Mohammad Reza Jahangiri. "Textile wastewater treatment by Aspergillus niger." Desalination 141, no. 1 (December 2001): 1–6. http://dx.doi.org/10.1016/s0011-9164(01)00383-6.

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Kurnik, Jelka, and Simona Gobec. "Textile Wastewater Treatment Technologies: Wet Oxidationvs.Ozonation." Critical Reviews in Analytical Chemistry 33, no. 4 (October 2003): 297–300. http://dx.doi.org/10.1080/714037680.

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Hanapi, Nur Hanis Mohamad, Hadieh Monajemi, Azimah Ismail, Zarizal Suhaili, Azizah Endut, and Hafizan Juahir. "Biodegradation of Textile Dye Wastewater with the Application of Response Surface Methodology (RSM): A Factorial Design Approach." Trends in Sciences 19, no. 10 (May 13, 2022): 4168. http://dx.doi.org/10.48048/tis.2022.4168.

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The increasing demands in textile industries has created huge production of textile coloured products globally, leading to large production of textile effluent. Textile effluent is often discharged to the environment without proper treatment by the textile factories. The untreated textile effluent typically contains harmful chemicals and is hazardous to the environment, due to the toxicity of the dyes used. In this study, biological treatment is applied to the textile effluent. A 2-level full factorial design from response surface methodology (RSM) was applied to find the optimized treatment process condition for the textile wastewater degradation. Sixteen runs of experiment with 4 factors were performed; bacterial inoculum (%, v/v), temperature (℃), agitation (rpm), and pH were tested. It was observed highest decolourization obtained (91.95 % with pH 4, low concentration of bacterial inoculum (5 %), agitation speed (200 rpm) and temperature (40 ℃)) meanwhile lowest decolourization was achieved at 73.47 % with pH 10, low concentration of bacterial inoculum (5 %), agitation speed (100 rpm) and high temperature (40 ℃). It was observed that low concentration of bacterial inoculum (%, v/v) gave more favourable dye degradation and COD removal, while pH ranged from low to high in the textile dye treatment. HIGHLIGHTS Textile wastewater contributes the most in Sg. Hiliran, as textile wastewater was discharged directly into the river without proper treatment Biodegradation using a bacterial approach offers safe and costly effective treatment for the textile wastewater The application of RSM offers a practical approach in providing optimized parameters for the textile wastewater treatment

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Yang, Guang, Jianhua Zhang, Mingguo Peng, Erdeng Du, Yong Wang, Guocheng Shan, Ling Ling, Hui Ding, Stephen Gray, and Zongli Xie. "A Mini Review on Antiwetting Studies in Membrane Distillation for Textile Wastewater Treatment." Processes 9, no. 2 (January 28, 2021): 243. http://dx.doi.org/10.3390/pr9020243.

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The textile industry is an important contributor to the growth of the global economy. However, a huge quantity of wastewater is generated as a by-product during textile manufacturing, which hinders the ongoing development of textile industry in terms of environmental sustainability. Membrane distillation (MD), which is driven by thermal-induced vapor pressure difference, is being considered as an emerging economically viable technology to treat the textile wastewater for water reuse. So far, massive efforts have been put into new membrane material developments and modifications of the membrane surface. However, membrane wetting, direct feed solution transport through membrane pores leading to the failure of separation, remains as one of the main challenges for the success and potential commercialization of this separation process as textile wastewater contains membrane wetting inducing surfactants. Herein, this review presents current progress on the MD process for textile wastewater treatment with particular focuses on the fundamentals of membrane wetting, types of membranes applied as well as the fabrication or modification of membranes for anti-wetting properties. This article aims at providing insights in membrane design to enhance the MD separation performance towards commercial application of textile wastewater treatment.

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Lee, H. H. W., G. Chen, and P. L. Yue. "Integration of chemical and biological treatments for textile industry wastewater: a possible zero-discharge system." Water Science and Technology 44, no. 5 (September 1, 2001): 75–83. http://dx.doi.org/10.2166/wst.2001.0255.

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Theoretical and experimental studies have established that integrated treatment systems (mostly chemical and biological) for various industrial wastewaters can achieve better quality of treatment and can be cost-effective. In the present study, the objective is to minimize the use of process water in the textile industry by an economical recycle and reuse scheme. The textile wastewater was first characterized in terms of COD, BOD5, salinity and color. In order to recycle such wastewater, the contaminants should be mineralized and/or removed according to the reusable textile water quality standards. Typical results show that this is achievable. An economic analysis has been conducted on the proposed integrated system. The economic analysis shows that the integrated system is economically more attractive than any of the single treatment technologies for achieving the same target of treatment. The information presented in this paper provides a feasible option for the reduction of effluent discharges in the textile industry.

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IOANA CORINA, MOGA, ARDELEAN IOAN, PETRESCU GABRIEL, CRĂCIUN NICOLAE, and POPA RADU. "The potential of biofilms from moving bed bioreactors to increase the efficiency of textile industry wastewater treatment." Industria Textila 69, no. 05 (November 1, 2018): 412–18. http://dx.doi.org/10.35530/it.069.05.1500.

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Textile industry processes produce some of the most heavily polluted wastewater worldwide. Wastewater from textile industry is also highly variable (it varies with time and among factories) and contains wide diversity of pollutants. This makes the treatment of textile industry effluents, complex, site-specific and expensive. Numerous combinations of wastewater treatment technologies are currently applied in the textile industry, yet methods that work for one emitter are often unsuitable, insufficient, not necessary or unsustainable to another. As textile industry evolves, its water treatment research also has to keep pace with increasing demands. The broader aim of the textile industry wastewater treatment is to maximize the efficiency of pollutant removal, while releasing effluents that society considers as being environmentally acceptable or safe. In the last ten years great strides have been made in the ability to lower the biological oxygen demand (BOD) and ammonium (NH4+) in wastewater. These advances elicit the question: can intensifying the usage of such technologies in the textile industry also increase its efficiency? The research team analysed water treatment by aerobic biomineralization via microbial biofilms immobilized on solid surfaces and hosted in Moving Bed Bio-Reactors (MBBRs). These biofilms are selected for carbon oxidation and ammonia oxidation. The authors compare the potential of active sludge biotreatment with the performance of MBBRs. The results are used to evaluate the potential of MBBRs as a cost-reducing solution in textile wastewater treatment plants. Our analysis supports that upgrading such stations to more heavily usage of MBBR biotechnology would increase their sustainability and environmental friendliness. The authors also discuss research directions and milestones for expanding the effects of MBBRs on the textile industry wastewater treatment.

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Nguyen, Thi Kim Lan, Ngoc Duy Nguyen, Nhut Khanh Chu, Chi Thuan Nguyen, Thi Giang Huong Duong, and Quoc Hien Nguyen. "Control of textile wastewater by electron beam irradiation in combination with biological treatment." Nuclear Science and Technology 11, no. 3 (September 30, 2021): 27–33. http://dx.doi.org/10.53747/nst.v11i3.369.

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Environmental pollution, especially water pollution, is of great concern nowadays. Textile wastewater treatment by electron beam irradiation (EB) shows the advantage of not using toxic additives and not creating secondary sludge. In this study, textile wastewater was treated by electron beam irradiation in a low absorbed dose range of 0.5-2 kGy in combination with biological treatment. Besides, a study on combining EB irradiation and H2O2 oxidizing agent was also carried out to reduce the absorbed dose. The results show that after EB irradiation in the presence of oxidizing agents H2O2 combined with biological treatment, the color indicator of wastewater is within the allowed range according to column B of the national technical regulation on the effluent of the textile industry (QCVN 13–MT/2015/BTNMT), which is eligible for discharge into the environment. Research on the treatment of textile wastewater by EB irradiation combined with biological methods has shown that it increases the ability to effectively treat textile wastewater, contributing to reducing the environmental pollution.

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Henny, C., D. Rohaningsih, E. Susanti, F. Sumi, and A. Waluyo. "Evaluation of Heliconia psittacorum in a Horizontal Flow Constructed Wetland (HFCW) System for the Treatment of Textile Wastewater." IOP Conference Series: Earth and Environmental Science 1062, no. 1 (July 1, 2022): 012026. http://dx.doi.org/10.1088/1755-1315/1062/1/012026.

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Abstract Constructed wetlands have promised sustainable treatment systems to remediate various industrial wastewaters, including textile. Textile wastewater contains a complex constituent of inorganic and organic pollutants such as dyes, toxic metals, surfactants, nutrients, and total dissolved solids. This preliminary study aims to evaluate the performance of Heliconia psittacorum in a horizontal subsurface flow constructed wetland (HFCW) system for the remediation of textile wastewater. An HFCW system was set in a tank with a volume of 2 m3 divided by three sections where each section filled with coarse gravel, fine gravel, and sand media respectively resulted in a bed volume of 0.322 m3. The top of media was added compost then planted with Heliconia psittacorum. Diluted textile wastewater with a concentration of 20% was fed to the system in a continuous horizontal flow with an HRT of 2.7 days. The performance of the HFCW system showed water quality improvement from the wastewater within 11 weeks of observation. DO increased from < 2 to around 4 mg/L, pH and conductivity increased considerably. High decrease in NH4 and TN concentrations in the effluent of the HFCW system were observed with fluctuated removal efficiency (RE). Maximum RE for ammonia, TN, TSS, and COD was > 80%. Although showing a decreasing pattern during observation, phosphorus was not effectively removed by Heliconia psittacorum in the studied HFCW system. Cleaner effluent was observed than much dirty and black colour of influent. Heliconia psittacorum grew well with increased shoot height and numbers of new plant seedlings. The long-term observation was needed for Heliconia psittacorum in the HFCW system to reach a steady state and to examine its potential to remediate textile wastewater.

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Pattnaik, Punyasloka, G. S. Dangayach, and Awadhesh Kumar Bhardwaj. "A review on the sustainability of textile industries wastewater with and without treatment methodologies." Reviews on Environmental Health 33, no. 2 (June 27, 2018): 163–203. http://dx.doi.org/10.1515/reveh-2018-0013.

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Abstract The textile industry in India plays a vital role in the economic growth of the nation. The growth of the textile industry not only impacts the economy of a country but also influences the global economy and mutual exchange of technology between the countries. However, the textile industry also generates an enormous quantity of waste as waste sludge, fibers and chemically polluted waters. The chemically polluted textile wastewater degrades the quality of the soil and water when it mixes with these natural resources and its dependent habitats and environment. Owing to the existing problem of solid and liquid waste, textile industries are facing major problems in environment pollution. Therefore, researchers and the textile industries are focusing on the reduction of textile wastewater and the formulation of alternative efficient treatment techniques without hampering the environment. Hence, the present literature survey mainly concentrates on the various wastewater treatment techniques and their advantages. Moreover, the focus of the study was to describe the methods for the reduction of environmental waste and effective utilization of recycled water with zero wastewater management techniques. The alternative methods for the reduction of textile waste are also covered in this investigation. Finally, this paper also suggests utilization of solid wastes after treatment of wastewater in other sectors like construction for the preparation of low-grade tiles and or bricks by replacing the cement normally used in their manufacturing.

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Journal articles on the topic 'Textile wastewater treatment'

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