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Journal articles on the topic 'Tannery wastewater'

Author: Grafiati

Published: 4 June 2021

Last updated: 26 July 2025

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1

Bonilla-Espadas, Manuela, Basilio Zafrilla, Irene Lifante-Martínez, et al. "Selective Isolation and Identification of Microorganisms with Dual Capabilities: Leather Biodegradation and Heavy Metal Resistance for Industrial Applications." Microorganisms 12, no. 5 (2024): 1029. http://dx.doi.org/10.3390/microorganisms12051029.

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Tanning, crucial for leather production, relies heavily on chromium yet poses risks due to chromium’s oxidative conversion, leading to significant wastewater and solid waste generation. Physico-chemical methods are typically used for heavy metal removal, but they have drawbacks, prompting interest in eco-friendly biological remediation techniques like biosorption, bioaccumulation, and biotransformation. The EU Directive (2018/850) mandates alternatives to landfilling or incineration for industrial textile waste management, highlighting the importance of environmentally conscious practices for

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P., S. Subashini, and P. Rajiv Dr. "Invitro Assessment of the Growth and Biomass Level of Chlorella in Textile and Tannery Wastewater." International Journal of Trend in Scientific Research and Development 3, no. 2 (2019): 223–25. https://doi.org/10.31142/ijtsrd20291.

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Chlorella has the capacity to sustain in both fresh water and wastewater. The present study deals with a comparison of the growth and yield of Chlorella in fresh water and textile and tannery wastewaters. The wastewaters used in the study were collected from textile and tannery dyeing units. The wastewater was diluted with tap water in different dilutions 60 , 70 and 80 . Higher dilution yields better biomass parallel to tap water. The result of present study confirms that Chlorella can sustain in almost all wastewaters but gives the maximum yield in textile wastewater. P. S. Subashini | Dr. P

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3

Selvabharathi, G., S. Adishkumar, S. Jenefa, G. Ginni, J. Rajesh Banu, and Ick Tae Yeom. "Combined homogeneous and heterogeneous advanced oxidation process for the treatment of tannery wastewaters." Journal of Water Reuse and Desalination 6, no. 1 (2015): 59–71. http://dx.doi.org/10.2166/wrd.2015.139.

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This study investigated the practical application of combined advanced oxidation processes (AOPs), such as homogeneous TiO2 photocatalysis and heterogeneous photo-Fenton, for the treatment of tannery wastewaters. An optimization study was conducted on the photocatalytic degradation of tannery wastewaters, in order to understand the effects of different operating parameters on the degradation kinetics. The chemical oxygen demand of tannery wastewater decreased from an initial level of 3,400 mg/L in raw wastewater to 140 mg/L (96% removal) in wastewater treated by the combined advanced oxidation

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4

Chowdhury, Manjushree, Israil Hossain, Amal Kanti Deb, and Tapan Kumar Biswas. "Removal of Toxicants from Leather Industrial Wastewater Using Sawdust Filter Media and Ferric Oxide Coagulant." Oriental Journal of Chemistry 35, no. 2 (2019): 597–604. http://dx.doi.org/10.13005/ojc/350213.

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The leather industrial wastewaters are a major source of water pollution among all industrial sector considering both quantity and composition. This research study was focused on the current chemical and physical parameters of tannery wastewater and treatment processes through sawdust filter media and ferric oxide (Fe2O3) coagulant. The study found that tannery wastewater contained exceptionally high values of TDS, TSS, TS, BOD, COD, SO42-, Cl-, Na, Ca, chromium, lead, cadmium and arsenic and theses parameters of the composite were exceeded the standard discharge limits which are considered as

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5

E., Revathi, Thaminum Ansari A., Ulaganathan S., and Ravichandran CT. "ADSORPTION AND DISCOLORATIONON TANNERY EFFLUENTS USING VARIOUS METAL CHLORIDE SAMPLES COLLECTED NEAR TANNERY INDUSTRY." International Journal of Applied and Advanced Scientific Research 1, no. 2 (2017): 114–20. https://doi.org/10.5281/zenodo.262006.

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In tannery wastewater treatment adsorption is one of the most gifted discoloration techniques. Adsorption techniques for wastewater treatment have become trendier owing to their efficiency in the removal of pollutants too stable for fixed bed column experiments were applied with actual textile wastewater various Metal chloride methods. Tannery adsorption is a result of two mechanisms adsorption and ion exchange and is influenced by many factors such as dye -adsorbent interaction, adsorbent’s surface area, particle size, temperature pH, COD, BOD, Alkalinity, TDS, Chloride, Sulphate, toxic metal

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Vikram, M* Sharpudin J. "ELECTRICITY PRODUCTION FROM WASTE WATER BY MICROBIAL FUEL CELL." INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES & RESEARCH TECHNOLOGY 5, no. 5 (2016): 166–72. https://doi.org/10.5281/zenodo.51014.

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A microbial fuel cell (MFC) is a bio-electrochemical system that converts the chemical energy in the organic compounds such as acetate, lactate, and glucose. It converts renewable energy sources to electrical energy under anaerobic conditions. So it is possible to produce electricity in a MFC from wastewaters. This process is an alternative methodology for generation of electricity. Here the MFC used three different wastewater samples which were achieved maximum power with Tannery effluent was obtained  414 mV followed by municipal wastewater 254 mV and  domestic waste water  24

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7

Chen, Ping, Lian Bao Kan, and Chao Jia. "Research Progress of Tannery Wastewater Treatment." Applied Mechanics and Materials 361-363 (August 2013): 666–69. http://dx.doi.org/10.4028/www.scientific.net/amm.361-363.666.

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The aim of our research was to find the better treatment progress for tannery wastewater. It elaborated the source and the quality variation law with time change and harm to environment of the tannery wastewater. Listed all kinds of treatment methods, including physical, chemical, biological. Thought the development trends of tannery wastewater treatment was the combination of multiple progress.

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Zhao, Chang Qing, Qin Huan Yang, and Wu Yong Chen. "Kinetics for Sulfate Removal in Tannery Wastewater by Immobilized Activated Sludge." Advanced Materials Research 356-360 (October 2011): 1135–38. http://dx.doi.org/10.4028/www.scientific.net/amr.356-360.1135.

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The anaerobic activated sludge inoculated with an isolated SRB was immobilized on the granular activated carbon and the kinetics for the immobilized anaerobic sludge treating the sulfate in tannery wastewater was studied. Also, the aerobic activated sludge containing enriched SOB was immobilized and the kinetics for the sulfur conversion was studied with the immobilized aerobic sludge through treating sulfide (the reduction product of SO42-) in tannery wastewater. The results showed that the kinetics for treating SO42-with the immobilized SRB in the actual tannery wastewater could be expressed

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9

Madu, Ijanu Emmanuel, Aisha Miko, Adeniyi Olarewaju Adeleye, Ahijo Tukur Mohammed, Afeez Oladeji Amoo, and Mohammed Idris. "REMOVAL OF CHROMIUM FROM TANNERY WASTEWATER USING MODIFIED CORN COBS." Environmental Contaminants Reviews 6, no. 1 (2023): 41–45. http://dx.doi.org/10.26480/ecr.01.2023.41.45.

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Chromium (Cr) is a major pollutant found in tannery effluent is detrimental to human health and the ecosystem. The present research aimed to remove Cr from tannery wastewater using corn-cobs as adsorbent. The tannery wastewater was collected from one of the tannery industries in Kano, Nigeria. APHA 2012 method was employed in establishing the physicochemical properties of the sampled wastewater. Using the batch method, effect of adsorbent dosage, pH and contact time on the adsorption of Cr by corn-cob was determined. Results show that the percentage removal of Cr from the wastewater ranging fr

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10

Abdissa, Desalegn, Temesgen Abeto, Yigezu Mekonnen, and Dejene Beyene. "ADSORPTIVE CAPACITY OF COFFEE HUSK IN THE REMOVAL OF CHROMIUM (VI) AND ZINK (II) FROM TANNERY EFFLUENT: KINETICS AND EQUILIBRIUM STUDIES." Water Conservation & Management 5, no. 2 (2021): 85–91. http://dx.doi.org/10.26480/wcm.02.2021.85.91.

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Tannery wastewater is the most challenging due to the complex toxic pollutants it releases into the environment. Similarly, coffee husk from coffee processing operations pollutes the environment. The use of coffee husk to remove hexavalent chromium (VI) and Zink (II)from tannery wastewater solves pollution problems due to untreated tannery wastewater and coffee husk. A batch adsorption process was conducted to determine chromium (VI) and Zink (II)adsorptive capacity of waste coffee husk to treat tannery wastewater. The effects of adsorbent dose (0.2-2.4 g/L), contact time (20- 60 min), agitati

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Ramees Raja Hussain A and Aneez Mohamed M. "A study on the physico-chemical characteristics of Tannery Waste Water at Tiruchirappalli district." International Journal of Research in Pharmaceutical Sciences 10, no. 3 (2019): 2417–25. http://dx.doi.org/10.26452/ijrps.v10i3.1489.

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The waste water generated by the tanning industry are the potential sources of pollution in Tiruchirappalli district. The tannery effluent can cause serious impact to water and soil. This study evaluates the physico-chemical characteristics of tannery effluent and soil. The chemical and physical parameters and water quality index of tannery wastewater were observed to be toxic as it contains large values of organic and inorganic chemical elements. The tannery effluent contains large values of TDS, EC, anions and cations. The major pollutants in tannery effluents are high chlorides, sulphide an

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Elsheikh, Mahmoud Abdel-Shafy. "Tannery wastewater pre-treatment." Water Science and Technology 60, no. 2 (2009): 433–40. http://dx.doi.org/10.2166/wst.2009.351.

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Tannery wastewater is one of the most pollution sources. It can cause environmental problems related to its high organic matter, suspended solids and chromium. Chromium (III) salts are the most widely used chemicals for tanning processes, causing the tannery wastewater to be highly pollutant with chromium. The main objective of this study is to investigate the pre-treatment of an actual Egyptian tannery wastewater using two systems; the first electrolytic system and the second physico-chemical system. The performances of electrolytic system at current of 10, 20, 30 and 40 A were discussed. Poo

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13

Song, Z. "Sedimentation of tannery wastewater." Water Research 34, no. 7 (2000): 2171–76. http://dx.doi.org/10.1016/s0043-1354(99)00358-9.

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14

Ahmad, Rehan, Wajid Ishaque, Mumtaz Khan, et al. "Relief Role of Lysine Chelated Zinc (Zn) on 6-Week-Old Maize Plants under Tannery Wastewater Irrigation Stress." International Journal of Environmental Research and Public Health 17, no. 14 (2020): 5161. http://dx.doi.org/10.3390/ijerph17145161.

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Tannery wastewater mainly comes from leather industries. It has high organic load, high salinity, and many other pollutants, including chromium (Cr). Tannery wastewater is generally used for crop irrigation in some areas of Pakistan and worldwide, due to the low availability of good quality of irrigation water. As tannery wastewater has many nutrients in it, its lower concentration benefits the plant growth, but at a higher concentration, it damages the plants. Chromium in tannery wastewater accumulates in plants, and causes stress at physiological and biochemical levels. In recent times, the

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Younas, Fazila, Irshad Bibi, Muhammad Afzal, et al. "Unveiling Distribution, Hydrogeochemical Behavior and Environmental Risk of Chromium in Tannery Wastewater." Water 15, no. 3 (2023): 391. http://dx.doi.org/10.3390/w15030391.

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Chromium (Cr)-contaminated tannery wastewater is a major environmental concern, especially in developing countries, such as Pakistan, due to its use for crop irrigation, resulting in food-chain contamination and health issues. In this study, we explored the distribution, speciation, hydrogeochemical behavior and environmental risks of Cr in tannery wastewater collected from various tanneries of Kasur district in Punjab, Pakistan. Tannery wastewater samples were taken during the summer (TWW-summer; n = 82) and winter (TWW-winter; n = 82) seasons. The results showed that high Cr concentration wa

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Kistan, A., A. Premkumar, and V. Kanchana. "A Simple Treatment of Tannery Wastewater using Modified Activated Carbon by Metal Chloride." Asian Journal of Chemistry 34, no. 7 (2022): 1698–702. http://dx.doi.org/10.14233/ajchem.2022.23699.

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Tannery wastewaters are exceedingly complex and characterized by high contents of organic, inorganic and nitrogenous compounds, chromium, sulfides, suspended solids and dissolved substances. Treatment of tannery wastewater was carried out by using activated carbon modified metal chlorides approaches. Effluent from an existing tannery was used as the test medium. The characteristics of the influent and effluent after the chemical treatment were determined. Modified activated carbon mixed with clarified tannery effluent then the various constituents of the effluent were re-investigated. The resu

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17

Mallhi, Ali Imran, Shahzad Ali Shahid Chatha, Abdullah Ijaz Hussain, et al. "Citric Acid Assisted Phytoremediation of Chromium through Sunflower Plants Irrigated with Tannery Wastewater." Plants 9, no. 3 (2020): 380. http://dx.doi.org/10.3390/plants9030380.

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Heavy metals are rapidly polluting the environment as a result of growing industrialization and urbanization. The presence of high concentrations of chromium (Cr), along with other pollutants, is widespread in tannery wastewater. In Pakistan, as a result of a severe shortage of irrigation water, farmers use tannery wastewater to grow various crops with a consequent decline in plants’ yield. This experiment was performed to assess growth revival in sunflower plants irrigated with 0%, 25%, 50%, 75%, and 100% tannery wastewater, by foliar application of 0, 2.5, and 5.0 mM citric acid (CA). The wa

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18

Murat, S., E. Atesş Genceli, R. Tasşli, N. Artan, and D. Orhon. "Sequencing batch reactor treatment of tannery wastewater for carbon and nitrogen removal." Water Science and Technology 46, no. 9 (2002): 219–27. http://dx.doi.org/10.2166/wst.2002.0244.

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The paper evaluates the organic carbon and nitrogen removal performance of the sequencing batch reactor (SBR), technology for tannery wastewater. For this purpose, a pilot-scale SBR was installed on site to treat the plain-settled tannery effluent. The study involved wastewater characterization, start-up and operation of the reactor for carbon and nitrogen removal and model evaluation of system performance. Its removal efficiency was compared with that of the existing continuous-flow activated sludge system providing full treatment to wastewater from the Istanbul Tannery Organized Industrial D

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19

Carucci, A., A. Chiavola, M. Majone, and E. Rolle. "Treatment of tannery wastewater in a sequencing batch reactor." Water Science and Technology 40, no. 1 (1999): 253–59. http://dx.doi.org/10.2166/wst.1999.0054.

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The aim of the research was to study the treatability of tannery wastewater by a sequencing batch reactor (SBR) compared with a continuous flow full scale reactor. The experimental work presented in this paper was carried out on a laboratory scale anoxic-aerobic SBR fed with tannery wastewater coming from a full scale continuous flow treatment plant located in S. Miniato (Pisa, Italy). After a long acclimation period, a complete and stable nitrification has been developed. The denitrification was always performed without any additional carbon source with good results when influent COD/TKN rati

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20

Tiravanti, G., D. Petruzzelli, and R. Passino. "Pretreatment of tannery wastewaters by an ion exchange process for Cr(III) removal and recovery." Water Science and Technology 36, no. 2-3 (1997): 197–207. http://dx.doi.org/10.2166/wst.1997.0518.

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Conventional treatment of tannery wastewaters includes the physico-chemical treatment in order to precipitate metals (mostly Cr(III). The landfilling disposal of mixed physico-chemical and biological tannery sludges is an economical and environmental problem, due to the saturation of possible sites. A new process, namely, IERECHROM® (Ion Exchange REcovery of CHROMium), has been developed for removal, recovery and reuse of Cr(III) ionic complex from segregated tannery wastewaters. The process is based on the use of a weak electrolyte macroporous carboxylate resin, retaining the metal of referen

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21

He, Jun Guo, Fei Liu, Bao Ping Han, Bo Wei Zhao, and Jian Liu. "Treatment of Tannery Wastewater with Salt Tolerant Bacteria Basing on Different Culture Mediums." Advanced Materials Research 403-408 (November 2011): 625–33. http://dx.doi.org/10.4028/www.scientific.net/amr.403-408.625.

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This study was done to access the influence of salinity on the treatment of tannery wastewater, activity of sludge and morphological characteristics of the salt-tolerant bacteria cultivated using tannery wastewater as culture mediums and intermittent aeration as method. The results indicated that， aerobic sludge which contained salt-tolerant bacteria was cultivated under the conditions of temperature of 35°C and pH = 8, the COD removal in simulated and actual tannery wastewater was more than 87% and 85% by the cultivated aerobic sludge, respectively. In addition, the morphological characterist

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22

Tejada-Meza, Kevin, Armando Arenazas-Rodríguez, Pablo A. Garcia-Chevesich, et al. "Acute Ecotoxicity Potential of Untreated Tannery Wastewater Release in Arequipa, Southern Peru." Sustainability 15, no. 21 (2023): 15240. http://dx.doi.org/10.3390/su152115240.

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The centralized Rio Seco Industrial Park (RSIP) tannery collective in the Southern Peruvian city of Arequipa releases untreated tannery wastewater into a proximal creek that is a tributary of the Chili River. As industrial leather tanning wastewater contains high concentrations of metal(loid)s, salts, dyes, and organics, this complex mixture could exert a myriad of toxicological effects on the surrounding ecosystem. The RSIP effluent was analyzed to quantify the acute ecotoxicity and ecotoxicological status of this untreated industrial wastewater at multiple trophic levels with the following b

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Ferrari, Ana Maria, Talitha Oliveira Germiniano, Jaqueline Elisabete Savoia, Rubiane Ganascim Marques, Valquíria Aparecida dos Santos Ribeiro, and Ana Cláudia Ueda. "CaTiO3 Perovskite in the Photocatalysis of Textile Wastewater." Ambiente e Agua - An Interdisciplinary Journal of Applied Science 14, no. 3 (2019): 1. http://dx.doi.org/10.4136/ambi-agua.2336.

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Perovskite-type CaTiO3 material was synthesized by the polymeric precursor method and characterized. The powder was applied as a promising alternative to TiO2 photocatalyst. Photocatalytic reaction parameters were optimized by surface analysis methodology on the degradation of methylene blue under UV radiation. After optimization, complex textile- and tannery wastewaters were treated and the COD reduction was evaluated. At optimized conditions (pH=11.2 and 1 g L-1 of catalyst concentration), the results obtained for the photodegradation of the real wastewater after 240 min of irradiation were

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Tanko, M. A., B. Y. Sanda, and M. H. Bichi. "Application of Moringa Oleifera Seed Extract (Mose) in the Removal of Heavy Metals from Tannery Wastewater." Nigerian Journal of Technological Development 17, no. 2 (2020): 70–78. http://dx.doi.org/10.4314/njtd.v17i2.1.

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The main focus of this research work is to investigate the possibility of applying Moringa oleifera seed extract for the removal of heavy metals from tannery wastewater. Samples were collected from effluent discharge points of the GB tannery, Muhaza tannery and Z-tannery which are located in Challawa Industrial Area, Kano, Nigeria. The samples analyzed for physico-chemical parameters are pH, temperature, hardness, conductivity, turbidity, alkalinity, total suspended solid, total dissolved solid, calcium, magnesium, chloride, nitrates, sulphates and sulphide and heavy metals such as cadmium, ch

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Böhm, B. "A test method to determine inhibition of nitrification by industrial wastewaters." Water Science and Technology 30, no. 6 (1994): 169–72. http://dx.doi.org/10.2166/wst.1994.0265.

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A biotest to investigate wastewaters for the presence of nitrification-inhibiting substances has been developed. The principal feature of the test system is a packed-bed fixed-film biological reactor operated as a differential reactor. The test has been used to determine the effects on nitrification of wastewaters especially from textile and leather industries. Inhibition could be found even when the wastewater was diluted considerably. Tannery sewage may cause particularly severe problems in biological wastewater treatment, as the degree of inhibition of this wastewater has been observed to b

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Chen, Wang, Wang Xikui, Ding Maochen, and Zhang Chaoyu. "Resourceful Utilization of Tannery Wastewater." Chinese Journal of Population Resources and Environment 10, no. 1 (2012): 116–21. http://dx.doi.org/10.1080/10042857.2012.10685069.

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Rao, N?N, K?M Somasekhar, S?N Kaul, and L. Szpyrkowicz. "Electrochemical oxidation of tannery wastewater." Journal of Chemical Technology & Biotechnology 76, no. 11 (2001): 1124–31. http://dx.doi.org/10.1002/jctb.493.

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Žgajnar Gotvajn, A., and J. Zagorc-Končan. "Identification of inhibitory effects of industrial effluents on nitrification." Water Science and Technology 59, no. 4 (2009): 797–803. http://dx.doi.org/10.2166/wst.2009.060.

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The aim of our work was to determine the extent of inhibition of oxygen consumption by activated sludge for carbonaceous and ammonium oxidation (ISO 8192 2007) for various wastewaters. We have selected several types of wastewaters different in their origin and composition: pharmaceutical wastewater, tannery wastewater and municipal landfill leachate. To confirm results of toxicity testing, additional ready biodegradability assessment test with measurement of oxygen consumption was accomplished to indicate the impact of effluents to nitrification process. Pharmaceutical wastewater was toxic to

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Diop, Lassana, E. A. Stepanenko, and I. V. Volkova. "Phytoremediation of tannery wastewater using common duckweed (Lemna minor)." Водные биоресурсы и среда обитания 8, no. 2 (2025): 35–45. https://doi.org/10.47921/2619-1024_2025_8_2_35.

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Background. In the context of ongoing deterioration of aquatic ecosystems due to untreated wastewater discharges—especially from tanneries—there is an urgent need to adopt environmentally friendly treatment methods. Relevance. Traditional methods for treating tannery wastewater are financially and energetically expensive and often unsuitable for developing countries. Phytoremediation offers a promising, cost-effective, and eco-friendly alternative that relies on the use of aquatic plants. The aim of this work is to evaluate the effectiveness of the common duckweed (Lemna minor) in treating tan

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Zaheer, Ihsan Elahi, Shafaqat Ali, Muhammad Hamzah Saleem, et al. "Combined application of zinc and iron-lysine and its effects on morpho-physiological traits, antioxidant capacity and chromium uptake in rapeseed (Brassica napus L.)." PLOS ONE 17, no. 1 (2022): e0262140. http://dx.doi.org/10.1371/journal.pone.0262140.

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Environmental contamination of chromium (Cr) has gained substantial consideration worldwide because of its high levels in the water and soil. A pot experiment using oil seed crop (rapeseed (Brassica napus L.)) grown under different levels of tannery wastewater (0, 33, 66 and 100%) in the soil using the foliar application of zinc (Zn) and iron (Fe)–lysine (lys) has been conducted. Results revealed that a considerable decline in the plant growth and biomass elevates with the addition of concentrations of tannery wastewater. Maximum decline in plant height, number of leaves, root length, fresh an

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Kabdasli, I., O. Tünay, and D. Orhon. "The Treatability of Chromium Tannery Wastes." Water Science and Technology 28, no. 2 (1993): 97–105. http://dx.doi.org/10.2166/wst.1993.0085.

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Leather processing industry wastewaters contain several conventional pollutants as well as micropollutants. Conventional pollutants can be effectively treated although considerable treatment comprised of several stages is required. However, the potential of conventional methods to remove COD and micropollutants has not been fully explored. The purpose of this paper is to investigate the extent of COD removal by conventional methods. Experimental studies are conducted using raw wastewaters of industries applying chromium tanning to cattlehides and sheepskins. Biological treatability after pretr

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Shahbazi, Reza, and Mona Zamani Pedram. "Continuous photocatalytic set-up assisted with nano TiO2 plate for tannery wastewater treatment." Water Science and Technology 83, no. 11 (2021): 2732–43. http://dx.doi.org/10.2166/wst.2021.164.

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Abstract A novel photocatalytic continuous system has been proposed for the treatment of tannery waste water, which has high levels of environmental pollutants. The purification process was performed by passing wastewater on a titanium dioxide (TiO2)-coated surface, which is continuously activated by irradiation of ultraviolet light. To improve the yield of the process, ferric chloride (FeCl3) was used as a coagulation agent. The organic and inorganic compounds, as well as the microorganisms in the tannery wastewater media, were degraded through a photocatalytic process. The results revealed t

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Camacllanqui Huamanlazo, Alex Orestes. "Remoción de cromo (VI) de agua residual decurtiembre empleando biomasa orgánica vegetal en un reactor biológico secuencial aerobio." Revista de Ciencias Ambientales 59, no. 1 (2024): 1–21. http://dx.doi.org/10.15359/rca.59-1.7.

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[Introduction]: In the removal of chromium (VI) from tannery wastewater, physicochemical methods are the most used. However, these require high operating costs, and worse still, generate secondary pollutants that again require complementary treatments for their elimination. Given this, the applicability of plant organic biomass (VOB) emerges as an environmental alternative based on the adsorption of chromium (VI), the simplicity of obtaining it, the reduction as waste and, above all, it does not generate secondary pollutants. [Objective]: Use VOB waste in an aerobic sequential biological react

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Banerjee, Soham, Debdeep Bhattacharya, and Kamalendu Bhunia. "EXPERIMENTAL INVESTIGATION AND ITS ANALYSIS IN TANNERY WASTEWATER USING MOVING BED BIOFILM REACTOR AND ACTIVATED SLUDGE PROCESS." RASAYAN Journal of Chemistry 17, no. 01 (2024): 193–98. http://dx.doi.org/10.31788/rjc.2024.1718675.

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The Tannery Industry produces a massive amount of toxic effluent which needs to be treated properly. It contains high organic matter, suspended solids, and chromium which in turn can cause environmental problems. This study provides valuable insights into the potential of Moving Bed Biofilm Reactor (MBBR) and Activated Sludge Process (ASP) for treating tannery wastewater. It also highlights the importance of proper wastewater treatment in the tannery industry to mitigate environmental impacts. The batch analysis was conducted to find out removal efficiencies for Total Dissolved Solids (TDS), C

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Habila, Bulus, Pius Onyeoziri Ukoha, Stanley I. R. Okoduwa, Ahmed Salim, Muazu B. Babangida, and Adamu Simon. "Synthesis and characterization of an immobilized thiosalicylic–mercaptoethanol biligand system and its application in the detoxification of chromium(iii) and iron(iii) ions from tannery wastewater." New Journal of Chemistry 44, no. 6 (2020): 2321–27. http://dx.doi.org/10.1039/c9nj05072h.

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Mia, Md Abu Sayid, Md Nur-E. Alam, Farid Ahmad, Md Zahangir Alam, and Md Mafizur Rahman. "Treatment of tannery wastewater by electrocoagulation technology." Journal of Scientific and Innovative Research 6, no. 4 (2017): 129–34. http://dx.doi.org/10.31254/jsir.2017.6403.

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Treatment of tannery wastewater by electrocoagulation (EC) process was investigated in this study. Treatment of the wastewater was carried out by an electrochemical batch reactor equipped with aluminum electrodes, which were connected parallel to each other. The optimum operating conditions were determined and applied to the process. The maximum obtained values for COD, color and turbidity removal efficiencies were 100%, 84%, and 85%, respectively, for an operating time of 21 minutes.The obtained results indicate that EC reactor is the applicable option to treat tannery industry wastewater in

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Islam, Laila N., Adua Rahman, Zimam Mahmud, A. H. M. Nurun Nabi, Mahmud Hossain, and M. Mohasin. "Assessment of Physicochemical and Biochemical Qualities of Tannery Effluents of Hazaribagh, Dhaka, and Comparison with Non-Tannery Water Samples." International Journal of Environment 4, no. 1 (2015): 68–81. http://dx.doi.org/10.3126/ije.v4i1.12179.

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NOTE: on 21st May 2015, the authors Mahmud Hossain and M Mohasin were added to the online information about the article. The PDF remains correct.In this study the physicochemical and biochemical qualities of the tannery effluents were analyzed to determine the pollution load of the openly released wastewaters in the environment and the findings were compared with the non-tannery waters. Fourteen samples of factory effluents were collected from the leather tanning industrial zone of Hazaribagh, Dhaka, and 13 non-tannery water samples were collected from different parts of Dhaka city. The efflue

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Haydar, Sajjad, and Javed Anwar Aziz. "Coagulation–flocculation studies of tannery wastewater using cationic polymers as a replacement of metal salts." Water Science and Technology 59, no. 2 (2009): 381–90. http://dx.doi.org/10.2166/wst.2009.864.

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Studies were conducted to evaluate the efficiency of cationic polymers as a suitable replacement of metal salts for the treatment of a local tannery wastewater. Eleven cationic polymers of varying molecular weights (MW) and charge densities (CD) were examined using jar test apparatus. Three cationic polymers: one with MW of 4 million Dalton and CD of 55%; second with MW of 6 million Dalton and CD of 40%; and the third with MW of 8 million Dalton and CD of 40% were found suitable for tannery wastewater treatment at an optimum dose of 20 mg/L for each. Percentage removals with these three cation

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Appiah-Brempong, Miriam, Helen Michelle Korkor Essandoh, Nana Yaw Asiedu, Samuel Kwame Dadzie, and Francis Warings Yao Momade. "Artisanal tannery wastewater: quantity and characteristics." Heliyon 8, no. 1 (2022): e08680. http://dx.doi.org/10.1016/j.heliyon.2021.e08680.

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Ajayan, Kayil Veedu, Muthusamy Selvaraju, Pachikaran Unnikannan, and Palliyath Sruthi. "Phycoremediation of Tannery Wastewater Using MicroalgaeScenedesmusSpecies." International Journal of Phytoremediation 17, no. 10 (2015): 907–16. http://dx.doi.org/10.1080/15226514.2014.989313.

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FENG, Jing-wei, Ya-bing SUN, Zheng ZHENG, Ji-biao ZHANG, Shu LI, and Yuan-chun TIAN. "Treatment of tannery wastewater by electrocoagulation." Journal of Environmental Sciences 19, no. 12 (2007): 1409–15. http://dx.doi.org/10.1016/s1001-0742(07)60230-7.

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Dabai, Aminu Isiya, and Kasim Mohammed. "CHROMIUM REMOVAL FROM TANNERY WASTEWATER: A REVIEW." Platform : A Journal of Science and Technology 3, no. 1 (2020): 63. http://dx.doi.org/10.61762/pjstvol3iss1art8483.

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Tanning process generates high strength wastewater containing heavy metals, nutrients, organic and inorganic contaminants, which may adversely affect public health and the environment. The wastewater contains considerable amounts of heavy metals including Cr(VI) which is carcinogenic, mutagenic and teratogenic, and persistent in the environment. Several physico-chemical treatment approaches were employed in tannery wastewater treatment and proved to considerably reduce the level of toxic Cr and other pollutants to low concentrations. Despite the capabilities of physico-chemical treatment metho

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Lin, Chun Xiang, Ming Hua Liu, and Yi Hao. "Study on the Adsorption of Chromium Containing Wastewater with a Kind of Spherical Cellulose Adsorbent." Applied Mechanics and Materials 71-78 (July 2011): 1920–24. http://dx.doi.org/10.4028/www.scientific.net/amm.71-78.1920.

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An investigation was conducted on the adsorption of Cr(III) ions by a new kind of spherical cellulose adsorbent immolizated with phytic acid. The equilibrium adsorption data of the Cr(III) ions on adsorbent were analyzed by Langmuir and Freundlich models, and some kinetic parameters of the adsorption were calculated. Moreover, the adsorbent was also used to dispose the tannery wastewater sample, and the results showed that the spherical cellulose adsorbent had good application prospect in the treatment of tannery wastewater.

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Genawi, Nahid M., Mohamed H. Ibrahim, Muftah H. El-Naas, and Awad E. Alshaik. "Chromium Removal from Tannery Wastewater by Electrocoagulation: Optimization and Sludge Characterization." Water 12, no. 5 (2020): 1374. http://dx.doi.org/10.3390/w12051374.

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The treatment of tannery effluent is of great interest as it contains a complex mixture of pollutants, primarily chromium. The disposal of this wastewater can have adverse effects on the environment and aquatic life, which is an emerging problem for the environment. In this work, electrocoagulation is used to remove chromium from real tannery wastewater, focusing on performance optimization and sludge characterization. Electrocoagulation experiments were conducted using an electrochemical cell with iron electrodes immersed in a specific volume of tannery wastewater. Operating parameters, such

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Samrose, Samina, Saifa Anzum, Samira Mahmud, and Tanvir Manzur. "Tentative Optimum Proportion of Supplementary Cementitious Materials in Blended Cement to Perform Better under Tannery Wastewater." Materials Science Forum 937 (October 2018): 107–13. http://dx.doi.org/10.4028/www.scientific.net/msf.937.107.

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The present research studies the compressive strength of cement mortar cubes prepared from different proportions of supplementary cementitious materials (Fly Ash and Slag) in blended cement. This research aims to find the tentative optimum composition of supplementary cementitious material that shows better performance under tannery wastewater condition, such as that in effluent treatment plants. Synthetic tannery wastewater was simulated in laboratory after collecting wastewater sample from local tannery industry. Eight types of cement compositions (varying supplementary materials proportions

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Roš, Milenko, and Anton Gantar. "Possibilities of reduction of recipient loading of tannery wastewater in Slovenia." Water Science and Technology 37, no. 8 (1998): 145–52. http://dx.doi.org/10.2166/wst.1998.0319.

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The leather industry is well known as a high consumer of water (30 to 80 m3 for 1 ton of processed raw skins). At the same time this industry is known for the high specific pollution of wastewater. The main characteristics of tannery wastewater are: high salinity, high organic loading (COD, BOD5), high content of ammonia and organic nitrogen, and presence of specific pollutants (sulphide, chromium). The largest Slovenian tannery (IUV Vrhnika) processing 40 to 50 t of pig skins daily has a good system of physico-chemical pre-treatment of their wastewater (coagulation and flocculation with Al-su

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Alouiz, I., M. Benhadj, D. Elmontassir, M. Sennoune, M. Y. Amarouch, and D. Mazouzi. "Potential Low-cost Treatment of Tannery Effluents from Industry by Adsorption on Activated Charcoal Derived from Olive Pomace." Nature Environment and Pollution Technology 23, no. 4 (2024): 2305–14. https://doi.org/10.46488/nept.2024.v23i04.034.

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Tannery wastewater contains a significant amount of chemical compounds, including toxic substances. Due to the toxicity and negative environmental effects of these tannery effluents, mandatory treatment is necessary. The main objective of this study was to treat effluent from an artisanal tannery in the city of Fez (Morocco) using the adsorption process with activated charcoal derived from olive pomace. The physicochemical characterization of tanning water included several parameters, such as chemical oxygen demand (COD), total Kjeldahl nitrogen (TKN), suspended solids (SS), sulfate ions (SO42

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Al Mamun, Md Abdulla, and Quazi Farjana Lamia. "Hybrid Treatment of Tannery Effluent by Natural Coagulants for Vegetative Seed Germination." Journal of Engineering Science 13, no. 1 (2022): 73–79. http://dx.doi.org/10.3329/jes.v13i1.60564.

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Treatment of the tannery wastewater by mixing the effluents in desired ratio, with natural coagulants prepared by using natural elements and small quantity of chemicals is a cost-effective method. Here, indigenous naturalcoagulant named chitosan extracted from shrimp-shell and Morinaga Oleifera seed as a bio-absorbent was used. To the best of knowledge, this comprehensive hybrid method not been investigated yet for tannery effluent treatment. Chitosan can also be used in water processing engineering as a part of a filtration process. Chitosan causes the fine sediment particles to bind together

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Alfa, M. I., D. Oluwaseun, D. B. Adie, H. B. Yaroson, and B. U. Ovuarume. "Evaluation of Horizontal Subsurface Flow Constructed Wetland for Treatment of Tannery Wastewater in Kaduna, Nigeria." Journal of Applied Sciences and Environmental Management 28, no. 3 (2024): 757–63. http://dx.doi.org/10.4314/jasem.v28i3.16.

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Tannery wastewater is often characterized by their complexities in terms of contaminants and require specialized treatment technologies. Hence, the objective of this paper is to explore the performance evaluation of a laboratory-scale horizontal subsurface flow constructed wetland (HSSFCW) in the treatment of tannery wastewater in Kaduna, Nigeria using appropriate standard techniques. Out of the tree replica systems, two were respectively vegetated with Phragmites australis and Polygonum salicifolium + Ipomoea carnea, while the last was left un-vegetated and used to treat tannery effluent. Cha

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Zaheer, Ihsan Elahi, Shafaqat Ali, Muhammad Hamzah Saleem, et al. "Iron–Lysine Mediated Alleviation of Chromium Toxicity in Spinach (Spinacia oleracea L.) Plants in Relation to Morpho-Physiological Traits and Iron Uptake When Irrigated with Tannery Wastewater." Sustainability 12, no. 16 (2020): 6690. http://dx.doi.org/10.3390/su12166690.

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Chromium (Cr) is among the most widespread toxic trace elements found in agricultural soils due to various anthropogenic activities. However, the role of micronutrient-amino chelates on reducing Cr toxicity in crop plants was recently introduced. In the current experiment, the exogenous application of micronutrients [iron (Fe)] chelated with amino acid [lysine (lys)] was examined, using an in vivo approach that involved plant growth and biomass, photosynthetic pigments and gaseous exchange parameters, oxidative stress indicators and antioxidant response. The uptake and accumulation of Fe and C

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