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Journal articles on the topic 'FGD Wastewater Treatment'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Tian, Yajing, Yong Kang, Jia Lu, and Jicheng Yu. "Bigeminal tank for FGD wastewater treatment." Filtration + Separation 54, no. 2 (2017): 36–40. http://dx.doi.org/10.1016/s0015-1882(17)30085-x.

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2

Chen, Hong, Yiyu Wang, Yanxiao Wei, et al. "Wet flue gas desulfurization wastewater treatment with reclaimed water treatment plant sludge: a case study." Water Science and Technology 78, no. 11 (2018): 2392–403. http://dx.doi.org/10.2166/wst.2018.525.

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Abstract To upgrade a wet flue gas desulfurization (FGD) wastewater treatment process in a typical thermal power plant (TPP) in Hunan province, China, a new concept for reusing polyaluminum chloride (PAC)-based water treatment plant sludge (WTPS) as a coagulant is proposed. Results show that, for an optimal WTPS dosage of 1,000 mg/L, the corresponding removal capacities for suspended solids (SS) and chemical oxygen demand (COD) from the practical FGD wastewater were 58.3% and 40.3%, respectively. Through an advanced treatment with a dosage of 50 mg/L of PAC, pH of 9, and stirring of 150 r/min

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3

Fu, Yu Yun, Jian Lei Zhou, and Jian Xiao. "The Treatment and Recycling of FGD Waste." Advanced Materials Research 955-959 (June 2014): 2901–5. http://dx.doi.org/10.4028/www.scientific.net/amr.955-959.2901.

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At present, wet lime - gypsum flue gas desulfurization (FGD) technology is very common in the field of gas desulfurization technology. In addition, wet carbide slag - gypsum FGD and Magnesia FGD are also used. In the process of eliminating SO2, with the first two technology, the byproducts of desulfurization wastewater and gypsum will be produced; With Magnesia FGD, the byproducts of magnesium sulfite and magnesium will be produced. The way to utilize desulfurization wastewater, gypsum and magnesium comprehensively and to achieve circular economy is worth exploring.

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4

Paredez, Jose M., Natalie Mladenov, Madhubhashini B. Galkaduwa, Ganga M. Hettiarachchi, Gerard J. Kluitenberg, and Stacy L. Hutchinson. "A soil column study to evaluate treatment of trace elements from saline industrial wastewater." Water Science and Technology 76, no. 10 (2017): 2698–709. http://dx.doi.org/10.2166/wst.2017.413.

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Abstract Industrial wastewater from the flue gas desulfurization (FGD) process is characterized by the presence of trace elements of concern, such as selenium (Se) and boron (B) and relatively high salinity. To simulate treatment that FGD wastewater undergoes during transport through soils in subsurface treatment systems, a column study (140-d duration) was conducted with native Kansas soil and saline FGD wastewater, containing high Se and B concentrations (170 μg/L Se and 5.3 mg/L B) and negligible arsenic (As) concentration (∼1.2 μg/L As). Se, B, and As, and dissolved organic carbon concentr

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5

Dou, Weixiao, Zhen Zhou, Jiongjiong Ye, et al. "Reusing effluent of flue gas desulfurization wastewater treatment process as an economical calcium source for phosphorus removal." Water Science and Technology 76, no. 6 (2017): 1429–35. http://dx.doi.org/10.2166/wst.2017.336.

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Flue gas desulfurization (FGD) wastewater treatment by conventional neutralization, chemical precipitation and coagulation process removes most suspended solids and heavy metals, and provides an effluent rich in calcium, alkalinity and chloride, which obstructs its reclamation and reuse but is in favor of phosphorus (P) precipitation. The goals of this study were to investigate feasibility of reusing FGD effluent as a calcium source for P removal from P-rich wastewater. Results revealed that increasing the volumetric ratio between FGD effluent and P-rich wastewater achieved higher pH value and

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6

Conidi, Carmela, Francesca Macedonio, Aamer Ali, et al. "Treatment of Flue Gas Desulfurization Wastewater by an Integrated Membrane-Based Process for Approaching Zero Liquid Discharge." Membranes 8, no. 4 (2018): 117. http://dx.doi.org/10.3390/membranes8040117.

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An integrated membrane process for the treatment of wastewaters from a flue gas desulfurization (FGD) plant was implemented on a laboratory scale to reduce their salt content and to produce a water stream to be recycled in the power industry. The process is based on a preliminary pretreatment of FGD wastewaters, which includes chemical softening and ultrafiltration (UF) to remove Ca2+ and Mg2+ ions as well as organic compounds. The pretreated wastewaters were submitted to a reverse osmosis (RO) step to separate salts from water. The RO retentate was finally submitted to a membrane distillation

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7

Thomson, Bruce, Jean-Claude Younan, and Joseph Chwirka. "Anaerobic Membrane Bioreactor (AnMBR) Technology for FGD Wastewater Treatment." Proceedings of the Water Environment Federation 2014, no. 19 (2014): 2603–15. http://dx.doi.org/10.2175/193864714815942846.

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8

Wales, Michael, Eminet Gebremichael, Xiao Wang, Elisabeth Perea, Palitha Jayaweera, and Indira Jayaweera. "Flue Gas Desulfurization (FGD) Wastewater Treatment Using Polybenzimidazole (PBI) Hollow Fiber (HF) Membranes." Membranes 11, no. 6 (2021): 430. http://dx.doi.org/10.3390/membranes11060430.

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Polybenzimidazole (PBI) hollow fiber membranes were used to treat flue gas desulfurization (FGD) wastewater (WW) from a coal fired power plant. Membranes were tested using both single salt solutions and real FGD WW. The PBI membranes showed >99% rejection for single salt solutions of NaCl, MgCl2, CaSO4, and CaCl2 at approximately 2000 PPM (parts per million). The membranes also showed >97% rejection for FGD WW concentrations ranging from 6900 to 14,400 PPM total dissolved solids (TDS). The pH of the FGD WW was adjusted between 3.97–8.20, and there was an optimal pH between 5.31 and 7.80

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9

Bogacki, Jan, Piotr Marcinowski, Maciej Majewski, Jarosław Zawadzki, and Sridhar Sivakumar. "Alternative Approach to Current EU BAT Recommendation for Coal-Fired Power Plant Flue Gas Desulfurization Wastewater Treatment." Processes 6, no. 11 (2018): 229. http://dx.doi.org/10.3390/pr6110229.

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Fossil fuel combustion is a serious environmental problem. Significant quantities of flue gasses and wastewater, requiring further treatment, are produced. This article compares three wet flue gas desulfurization (FGD) wastewater treatment methods: coagulation with precipitation using iron(III) ions—recommended by the European Union as the best available technique (BAT)—and two alternative advanced oxidation processes (Fe2+/H2O2 and Fe0/H2O2). Both oxidation processes that were used met the technical FGD wastewater treatment requirements of the BAT. The best treatment effects, expressed as pol

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10

Gostomczyk, M. A., E. M. Grochulska-Segal, and M. M. Sozański. "Disposal of Wastewater from Flue Gas Desulphurization (FGD)." Water Science and Technology 24, no. 7 (1991): 207–15. http://dx.doi.org/10.2166/wst.1991.0202.

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Wet methods of FGD produce troublesome wastewater which, contains large amounts of suspended solids. The hot flue gas stream which is passed through the absorber gives an effluent which contains dissolved sulphur compounds. This effluent is sent to a special reactor for pH adjustment by lime treatment, as well as for the precipitation of calcium sulphites and calcium sulphates. In this study special consideration was given to the following items: (1) sedimentation of particulate matter (suspended solids) produced during quasi-simulation of wet FGD and during pH adjustment of the sorption efflu

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11

Qian, J., F. Jiang, H. K. Chui, Mark C. M. van Loosdrecht, and G. H. Chen. "Industrial flue gas desulfurization waste may offer an opportunity to facilitate SANI® application for significant sludge minimization in freshwater wastewater treatment." Water Science and Technology 67, no. 12 (2013): 2822–26. http://dx.doi.org/10.2166/wst.2013.187.

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This paper reports an exploratory study on the use of a sulfite-rich industrial effluent to enable the integration of a sulfite–sulfide–sulfate cycle to the conventional carbon and nitrogen cycles in wastewater treatment to achieve sludge minimization through the non-sludge-producing Sulfate reduction, Autotrophic denitriﬁcation and Nitriﬁcation Integrated (SANI) process. A laboratory-scale sulfite reduction reactor was set up for treating sulfite-rich synthetic wastewater simulating the wastewater from industrial flue gas desulfurization (FGD) units. The results indicated that the sulfite red

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12

Jiang, Dan Ning, Hai Wei Sha, Guo Hui Gong, et al. "Fundamental Research and Demonstration Project of Evaporation Treatment of Wastewater from FGD in Flue Gas Duct." Advanced Materials Research 864-867 (December 2013): 434–37. http://dx.doi.org/10.4028/www.scientific.net/amr.864-867.434.

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The desulfurization wastewater is a kind of intractable wastewater which comes from the process of wet desulfurization. There are many shortcomings of traditional development methods. Desulfurization wastewater evaporation treatment in flue gas duct as a new processing technology. This approach of evaporating desulfurization wastewater by flue gas is feasible. The feasibility of the demonstration project of boiler flue gas treating wastewater on 4# boiler in Changshu Power Company limited was analyzed; the computational fluid dynamics (CFD) software FLUENT was adopted to simulated the pressure

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13

Ali, A., A. Criscuoli, F. Macedonio, P. Argurio, A. Figoli, and E. Drioli. "Direct contact membrane distillation for the treatment of wastewater for a cooling tower in the power industry." H2Open Journal 1, no. 1 (2018): 57–68. http://dx.doi.org/10.2166/h2oj.2018.003.

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Abstract Water abstraction for cooling requirements in energy production accounts for more than 40% of the total gross abstraction in the European Union, thus driving the interest in using alternative water resources. The current study presents the application of direct contact membrane distillation for the treatment of wastewater from a flue gas desulphurization (FGD) plant for potential applications in cooling towers. Membrane distillation (MD) performance of two commercial lab-scale membrane modules (in capillary and flat configuration) was compared in terms of flux, specific energy consump

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14

Gingerich, Daniel B., Xiaodi Sun, A. Patrick Behrer, Inês L. Azevedo, and Meagan S. Mauter. "Spatially resolved air-water emissions tradeoffs improve regulatory impact analyses for electricity generation." Proceedings of the National Academy of Sciences 114, no. 8 (2017): 1862–67. http://dx.doi.org/10.1073/pnas.1524396114.

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Coal-fired power plants (CFPPs) generate air, water, and solids emissions that impose substantial human health, environmental, and climate change (HEC) damages. This work demonstrates the importance of accounting for cross-media emissions tradeoffs, plant and regional emissions factors, and spatially variation in the marginal damages of air emissions when performing regulatory impact analyses for electric power generation. As a case study, we assess the benefits and costs of treating wet flue gas desulfurization (FGD) wastewater at US CFPPs using the two best available treatment technology opt

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15

Nielsen, P. B., T. C. Christensen, and M. Vendrup. "Continuous removal of heavy metals from FGD wastewater in a fluidised bed without sludge generation." Water Science and Technology 36, no. 2-3 (1997): 391–97. http://dx.doi.org/10.2166/wst.1997.0566.

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A patent pending fluid-bed process has been developed by Krüger for removal of dissolved heavy metals by adsorption/coprecipitation. The waste product is a very compact granulate with a very low water content of 10-20%. Sludge is not produced. The fluid-bed technique was tested at a coal-fired power station with wastewater from the flue gas desulphurisation (FGD) unit for removal of heavy metals from the wastewater. By dosing only potassium permanganate to the wastewater, the content of dissolved nickel, cadmium and zinc was reduced by respectively 99%, 92% and 97% at optimum treatment in one

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16

Huang, Yong H., Phani K. Peddi, Hui Zeng, Ci-Lai Tang, and Xinjun Teng. "Pilot-scale demonstration of the hybrid zero-valent iron process for treating flue-gas-desulfurization wastewater: Part II." Water Science and Technology 67, no. 2 (2013): 239–46. http://dx.doi.org/10.2166/wst.2012.447.

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The hybrid zero-valent-iron (hZVI) process is a novel chemical treatment process that has shown promise for removing heavy metals and nutrients from industrial wastewaters. In this study, a pilot-scale demonstration was conducted to continuously treat 3.8–7.6 L/min (1–2 gpm) of the flue-gas-desulfurization (FGD) wastewater at a coal-fired power plant for 5 months. In this paper, a spike test was conducted to evaluate performance of the hZVI process for removing selected toxic metals at artificially elevated concentrations. The results showed that a multiple-stage hZVI process could decrease se

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17

Andalib, Mehran, Sara Arabi, Peter Dold, and Christopher Bye. "Mathematical Modeling of Biological Selenium Removal from Flue Gas Desulfurization (FGD) Wastewater Treatment." Proceedings of the Water Environment Federation 2016, no. 11 (2016): 228–48. http://dx.doi.org/10.2175/193864716819706770.

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18

Guo, Huiqian, Jing Wang, Jiangbo Wu, and Xiaoze Du. "Study on Spray Evaporation Treatment of Desulfurization Wastewater." Coatings 11, no. 4 (2021): 418. http://dx.doi.org/10.3390/coatings11040418.

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Limestone-gypsum wet flue gas desulfurization (WFGD) often produces a certain amount of wastewater with complex water quality and heavy metal pollution which should be treated properly before release. Spaying the desulfurization wastewater into flue duct and using exhausted flue gas heat for evaporation is a promising and economical technology for achieving zero wastewater discharge in thermal power plant. To enable a more in-depth understanding on evaporation of FGD wastewater spray, a visual wind tunnel test rig based on the atomized droplet laser measuring system was built to reveal the imp

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19

Dong, Xue Feng, Gui Fen Shen, Xiao Xiang Zhou, Jin Juan Guo, Xue Ying Zhang, and Wen Long Wu. "The Problems and Suggestions of the Desulfurization Wastewater Treatment System during the Operation." Advanced Materials Research 599 (November 2012): 521–24. http://dx.doi.org/10.4028/www.scientific.net/amr.599.521.

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Wastewater treatment system was an important part of the wet desulfurization, and it played an important role to improve the quality of absorber slurry. Combined with the problems of desulfurization efficient reduced and moisture content in gypsum exceed normal, this paper pointed out the deficiencies which used the chlorine ion concentration to control the operation of desulfurization waster water; and suggested the influence of chlorine ion and the other impurities should be studied comprehensively, some guides for in-service supervision on the operation of FGD should be established as soon

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20

Kang, Yong, Jia Lu, and Jing Guo. "Treatment of Wet FGD Wastewater by a Modified Chemical Precipitation Method Using a Solid Powder Reagent." Transactions of Tianjin University 23, no. 2 (2017): 110–21. http://dx.doi.org/10.1007/s12209-017-0027-4.

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21

Ma, Shuangchen, Chang Liu, Yao Sun, et al. "Advanced treatment technology for FGD wastewater in coal-fired power plants: current situation and future prospects." DESALINATION AND WATER TREATMENT 167 (2019): 122–32. http://dx.doi.org/10.5004/dwt.2019.24630.

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22

Marcinowski, Piotr, Jan Bogacki, Maciej Majewski, Jarosław Zawadzki, and Sridhar Sivakumar. "Application of aluminum-based coagulants for improving efficiency of flue gas desulfurization wastewater treatment in coal – fired power plant." E3S Web of Conferences 108 (2019): 02006. http://dx.doi.org/10.1051/e3sconf/201910802006.

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Pollution released into the environment as the result of the combustion of energy fuels is a significant global threat. For instance, wastewater in coal–fired power plants is often heavily polluted by organic compounds, heavy metals and boron. Therefore, there is an urgent need for efficient flue gases and wastewater treatment. However, to be industrially implemented, the treatment processes have to be simultaneously effective and inexpensive. This research systematically studied the efficiency of inexpensive coagulation processes using aluminum-based coagulants applied to flue gas desulfuriza

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23

Huang, Yong H., Phani K. Peddi, Hui Zeng, Ci-Lai Tang, and Xinjun Teng. "Pilot-scale demonstration of the hybrid zero-valent iron process for treating flue-gas-desulfurization wastewater: Part I." Water Science and Technology 67, no. 1 (2013): 16–23. http://dx.doi.org/10.2166/wst.2012.446.

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The hybrid zero-valent-iron (hZVI) process is a novel chemical treatment process that has shown great potential in previous laboratory and field bench-top scale tests for removing selenium, mercury and nutrients from various industrial wastewaters. In this study, a pilot-scale demonstration was conducted to continuously treat 3.8–7.6 L/min (1–2 gpm) of the flue-gas-desulfurization (FGD) wastewater at a coal-fired power plant for five months. Results show that the hZVI process could simultaneously reduce selenate-Se from 1 to 3 mg/L to below 10 μg/L and mercury from over 100 μg/L to below 10 ng

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24

Liu, Shinian, Xiaokun Ye, Kuang He, Yuancai Chen, and Yongyou Hu. "Simultaneous removal of Ni(II) and fluoride from a real flue gas desulfurization wastewater by electrocoagulation using Fe/C/Al electrode." Journal of Water Reuse and Desalination 7, no. 3 (2016): 288–97. http://dx.doi.org/10.2166/wrd.2016.010.

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Large amounts of anions and heavy metals coexist in flue gas desulfurization (FGD) wastewater originating from coal-fired power plants, which cause serious environmental pollution. Electrocoagulation (EC) with Fe/C/Al hybrid electrodes was investigated for the separation of fluoride and nickel ions from a FGD wastewater. The study mainly focused on the technology parameters including anode electrode type, time, inter-electrode distance (5–40 mm), current density (1.88–6.25 mA/cm2) and initial pH (4–10). The results showed that favorable nickel and fluoride removal were obtained by increasing t

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25

Kluczka, Joanna. "Removal of Boron and Manganese Ions from Wet-Flue Gas Desulfurization Wastewater by Hybrid Chitosan-Zirconium Sorbent." Polymers 12, no. 3 (2020): 635. http://dx.doi.org/10.3390/polym12030635.

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Flue gas desulfurization (FGD) wastewater, after the alkaline precipitation and coagulation processes, often requires additional treatment in order to reduce the concentrations of boron and heavy metals below the required limits. In this study, we present an innovative and environmentally friendly method for boron and manganese removal that is based on a hybrid chitosan-zirconium hydrogel sorbent. The results from the batch adsorption experiment indicated that the uptake capacity for boron and manganese was equal to 1.61 mg/g and 0.75 mg/g, respectively, while the column study indicated that t

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26

Fang, Ping, Zi-jun Tang, Xiong-bo Chen, Jian-hang Huang, Zhi-xiong Tang, and Chao-ping Cen. "Removal of High-Concentration Sulfate Ions from the Sodium Alkali FGD Wastewater Using Ettringite Precipitation Method: Factor Assessment, Feasibility, and Prospect." Journal of Chemistry 2018 (June 3, 2018): 1–8. http://dx.doi.org/10.1155/2018/1265168.

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The feasibility of removal of sulfate ions from the sodium alkali FGD wastewater using the ettringite precipitation method was evaluated. Factors affecting the removal of sulfate ions, such as NaAlO2 dosage, Ca(OH)2 dosage, solution temperature, anions (Cl−, NO3− and F−), and heavy metal ions (Mg2+ and Mn2+), were investigated, and the optimal experimental conditions for the removal of sulfate ions were determined. Experimental results indicate that the ettringite precipitation method can effectively remove SO42− with removal efficiency of more than 98%. All the investigated factors have influ

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27

Liao, Yong Jin, Qing Shan Yang, and Yu Jia Wang. "Application Research of White Mud in 660 MW Unit FGD System." Advanced Materials Research 524-527 (May 2012): 940–44. http://dx.doi.org/10.4028/www.scientific.net/amr.524-527.940.

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White mud is generally known as the residue of soda ash production by ammonia-soda process. The treatment of it has been one problem in soda ash industry due to the large amount of production, strong alkalinity and corrosiveness. In China, the treatment of white mud is stacking currently, which not only occupying land but also causing environment pollution. The main composition of it is the calcium carbonate. If white mud replaces the limestone as the desulfurization agent in wet Flue Gas Desulfurization (W-FGD) system, it can attain the goal of treating the waste with another, achieve the cir

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28

Fungaro, Denise Alves, Lucas Caetano Grosche, and Juliana de Carvalho Izidoro. "Synthesis of Calcium Silicate Hydrate Compounds From Wet Flue Gas Desulfurization (FGD) Waste." Journal of Applied Materials and Technology 1, no. 2 (2020): 88–95. http://dx.doi.org/10.31258/jamt.1.2.88-95.

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In this study Calcium silicate hydrate based products (CSHP) were synthesized from wet flue gas desulfurization waste (FGD) by alkali fusion followed by hydrothermal treatment. The effect of various factors on the formation of products, such as mineralizing agent, fusion temperature and time, crystallization time and addition of Ca and Si were studied as well as the conditions optimized. The FGD and synthesized materials were characterized by using X-Ray (XRD), Scanning Electron Microscope (SEM), X-ray fluorescence (XFR), among other methods. A fusion temperature of 600 °C with NaOH, fusion du

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Pavlostathis, Spyros G., and Shabbir A. Jungee. "Biological Treatment of Photoprocessing Wastewaters." Water Science and Technology 29, no. 9 (1994): 89–98. http://dx.doi.org/10.2166/wst.1994.0450.

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The activated sludge and anaerobic digestion processes were used for the biological treatment of photoprocessing wastewaters from two commonly used photoprocesses, namely KODAK Flexicolor Process C-41 and KODAK Ektacolor Process RA-4. Photoprocessing wastewaters were simulated in the laboratory and fed to fill-and-draw activated sludge reactors at loading levels less than or equal to 100% v/v along with a synthetic base feed. Up to 68% photoprocessing wastewater-derived COD removal was achieved by the fill-and-draw activated sludge reactors. Ammonia removal was achieved by all reactors, althou

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30

Sofianto, Arif. "PARTISIPASI MASYARAKAT DALAM UPAYA PEMANFAATAN LIMBAH TAHU DI KECAMATAN BANDUNGAN, KABUPATEN SEMARANG." Jurnal Litbang Provinsi Jawa Tengah 15, no. 1 (2017): 65–77. http://dx.doi.org/10.36762/jurnaljateng.v15i1.403.

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Bandungan subdistrict, Semarang regency is one of the main industrial centers of tofu industry. Liquid waste out of tofu industry potentially to be processed into biogas, on the other hand if it is not managed will be the environmental contamination. Government of Semarang District has been providing assistance 2 units of biogas processing equipment to "Damai" group members. Assistance provided in the form of a biogas processing plant complete unit consisting of tank, digesters, sewage tank and filters as well as devices equipped with gas stove. Currently processing biogas utilization has not

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31

Drillia, P., M. Kornaros, and G. Lyberatos. "Wastewater treatment from a motor-oil reforming company using a sequencing batch reactor (SBR)." Water Science and Technology 47, no. 10 (2003): 25–32. http://dx.doi.org/10.2166/wst.2003.0529.

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The main aim of this work was to study the ability of an aerobically operated sequencing batch reactor (SBR) to effectively treat the wastewaters produced by a motor-oil reforming company. In fact, the most important goal was to substantially reduce the organic load of these wastewaters before their disposal to an open trench, since the currently installed wastewater treatment plant, that includes an API separator followed by physico-chemical pre-treatment and an oxidation ditch, has proved today to be completely inefficient. The wastewater to be treated was mainly composed of five different s

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32

Rintala, J. "High-Rate Anaerobic Treatment of Industrial Wastewaters." Water Science and Technology 24, no. 1 (1991): 69–74. http://dx.doi.org/10.2166/wst.1991.0011.

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Anaerobic mesophilic treatment of synthetic (a mixture of acetate and methanol) and thermomechanical pulping (TMP) wastewater was studied in laboratory-scale upflow anaerobic sludge blanket (UASB) reactors and filters with emphasis on the process start-up. The reactors were inoculated with nongranular sludge. The start-up of mesophilic and thermophilic processes inoculated with mesophilic granular sludge was investigated in UASB reactors fed with diluted vinasse. The start-up proceeded faster in the filters than in the UASB reactors with TMP and synthetic wastewater. Loading rates of over 15 k

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33

Suidan, Makram T., Peter Fox, and John T. Pfeffer. "Anaerobic Treatment of Coal Gasification Wastewater." Water Science and Technology 19, no. 1-2 (1987): 229–36. http://dx.doi.org/10.2166/wst.1987.0204.

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A sequence of unit processes consisting of a berl-saddle-packed anaerobic filter, an expanded-bed, granular activated carbon anaerobic reactor and an activated sludge nitrification system was employed for the treatment of synthetically prepared coal gasification wastewater. After acclimation, the coal gasification wastewater was fed to the treatment process train at three different chemical oxygen demand levels; these were 1,513. 3,027, and 7,567 mg/ℓ, respectively. No biological activity was observed in the first-stage filter, while excellent removal of organic matter was achieved in the seco

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34

Meriç, S., I. Kabdaşli, O. Tünay, and D. Orhon. "Treatability of strong wastewaters from polyester manufacturing industry." Water Science and Technology 39, no. 10-11 (1999): 1–7. http://dx.doi.org/10.2166/wst.1999.0623.

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In this paper, the treatability of strong wastes originating from an organic chemicals industry was studied. Literature data were evaluated to assess the applicability of conventional and advanced methods of treatment to highly concentrated wastewaters. A detailed treatability study was conducted on the wastewater, which was provided from a small-scale polyester manufacturing plant. The manufacturing process involved only esterification reactions, generating a wastewater with a COD content of over 200,000 mgl−1. The applicable treatment methods to be tested were determined as biological treatm

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35

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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Sigge, G. O., T. J. Britz, P. C. Fourie, and C. A. Barnardt. "The efficacy of ozone as a pre- and post-treatment option for UASB-treated food processing wastewaters." Water Science and Technology 52, no. 1-2 (2005): 167–73. http://dx.doi.org/10.2166/wst.2005.0513.

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The efficiency of ozone as a pre- and post-treatment to UASB treatment was investigated, followed by a study into UASB reactor performance with ozonated wastewater as substrate. Combinations of pre- and/or post-ozonation with UASB treatment gave better results than ozonation or UASB alone and COD reductions of 53.0–98.9% were achieved for treatment of canning and winery wastewaters. A UASB reactor was fed with pre-ozonated cannery wastewater for over 70 d. COD removal improved from between 58.8 and 64.4% to between 85.3 and 91.8% after pre-ozonated substrate feed commenced. Subsequent increase

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Chamy, R., C. Pizarro, E. Vivanco, et al. "Selected experiences in Chile for the application of UASB technology for vinasse treatment." Water Science and Technology 56, no. 2 (2007): 39–48. http://dx.doi.org/10.2166/wst.2007.470.

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One of the research areas is the agricultural use of treated wastewaters, because it represents a unique opportunity to solve the problem of water supply for irrigation and at the same time the disposal of treated water. Anaerobic digestion appears as an interesting alternative, since anaerobically treated wastewaters can be used for irrigation purposes. These considerations are applied to the Chilean pisco industry (a traditional alcoholic drink, prepared by distillation of wine made mainly from Muscatel grapes), where high concentrated wastewaters are produced: vinasses originate as a residu

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Molognoni, Daniele, Stefania Chiarolla, Daniele Cecconet, Arianna Callegari, and Andrea G. Capodaglio. "Industrial wastewater treatment with a bioelectrochemical process: assessment of depuration efficiency and energy production." Water Science and Technology 77, no. 1 (2017): 134–44. http://dx.doi.org/10.2166/wst.2017.532.

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Abstract Development of renewable energy sources, efficient industrial processes, energy/chemicals recovery from wastes are research issues that are quite contemporary. Bioelectrochemical processes represent an eco-innovative technology for energy and resources recovery from both domestic and industrial wastewaters. The current study was conducted to: (i) assess bioelectrochemical treatability of industrial (dairy) wastewater by microbial fuel cells (MFCs); (ii) determine the effects of the applied organic loading rate (OLR) on MFC performance; (iii) identify factors responsible for reactor en

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Gavala, H. N., I. V. Skiadas, Nikolaos A. Bozinis, and G. Lyberatos. "Anaerobic codigestion of agricultural industries' wastewaters." Water Science and Technology 34, no. 11 (1996): 67–75. http://dx.doi.org/10.2166/wst.1996.0264.

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Wastewaters generated from agricultural industries are usually hard to treat due to a high organic content. The basic treatment process to be used can only be anaerobic digestion, a process with the additional advantages of (i) limited production of stabilized sludge and (ii) utilization of the produced biogas. The cotreatment of such seasonally produced wastewaters is proposed in order to secure the economically favorable and stable year-round operation of a treatment plant, with the additional benefits of smaller capital costs (due to the use of centrally located rather than distributed trea

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Stes, Hannah, Sven Aerts, Michel Caluwe, et al. "Influence of mixed feeding rate in a conventional SBR on biological P-removal and granule stability while treating different industrial effluents." Water Science and Technology 79, no. 4 (2019): 645–55. http://dx.doi.org/10.2166/wst.2019.081.

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Abstract In this study, the influence of the anaerobic mixed feeding rate on granule stability and reactor performance in a conventional sequencing batch reactor (C-SBR) was investigated while treating various industrial wastewaters. A laboratory-scale SBR fed with malting wastewater rich in phosphorus was operated for approximately 250 days, which was divided into two periods: (I) mixed pulse feed and (II) prolonged mixed feed. Initially, no bio-P activity was observed. However, by lowering the feeding rate biological P-removal was rapidly established and no effect on the aerobic granular slu

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Blumenthal, Ursula J., D. Duncan Mara, Rachel M. Ayres, et al. "Evaluation of the WHO nematode egg guidelines for restricted and unrestricted irrigation." Water Science and Technology 33, no. 10-11 (1996): 277–83. http://dx.doi.org/10.2166/wst.1996.0685.

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Epidemiological studies were conducted in Mexico to assess the health risks associated with restricted crop irrigation using raw and treated wastewaters. Experimental studies were done in northeast Brazil and Leeds, in which Ascaris lumbricoides contamination of lettuces spray-irrigated with raw wastewater and waste stabilization pond effluents containing different helminthological qualities was determined (Brazil); and Ascaridia galli infection was monitored in immunosuppressed chickens fed lettuces spray-irrigated with water containing different A. galli egg numbers (Leeds). The results indi

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Toczyłowska-Mamińska, Renata, Karolina Szymona, and Monika Kloch. "Bioelectricity production from wood hydrothermal-treatment wastewater: Enhanced power generation in MFC-fed mixed wastewaters." Science of The Total Environment 634 (September 2018): 586–94. http://dx.doi.org/10.1016/j.scitotenv.2018.04.002.

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Conroy, Kristen M., Feng Chen, Olli H. Tuovinen, and Karen M. Mancl. "Effect of Sodium Chloride Concentration on Removal of Chemical Oxygen Demand and Ammonia from Turkey Processing Wastewater in Sand Bioreactors." Applied Engineering in Agriculture 36, no. 1 (2020): 33–37. http://dx.doi.org/10.13031/aea.13632.

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HighlightsSand bioreactors can effectively treat organic matter at salt levels at least up to 13 g L-1 NaCl.Acclimation of the systems for ammonia removal can take &gt;4 weeks.Clogging and reduction in treatment efficacy can be alleviated through resting of sand bioreactors. Abstract. The treatment of high salt (&gt;1%) wastewater is an issue in several food industries, including meat curing, vegetable pickling, and fish processing. Novel solutions involving biological treatment of saline wastewaters are increasingly important as companies strive to minimize waste production. Sand bior

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Leicester, Daniel D., Jaime M. Amezaga, Andrew Moore, and Elizabeth S. Heidrich. "Optimising the Hydraulic Retention Time in a Pilot-Scale Microbial Electrolysis Cell to Achieve High Volumetric Treatment Rates Using Concentrated Domestic Wastewater." Molecules 25, no. 12 (2020): 2945. http://dx.doi.org/10.3390/molecules25122945.

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Bioelectrochemical systems (BES) have the potential to deliver energy-neutral wastewater treatment. Pilot-scale tests have proven that they can operate at low temperatures with real wastewaters. However, volumetric treatment rates (VTRs) have been low, reducing the ability for this technology to compete with activated sludge (AS). This paper describes a pilot-scale microbial electrolysis cell (MEC) operated in continuous flow for 6 months. The reactor was fed return sludge liquor, the concentrated filtrate of anaerobic digestion sludge that has a high chemical oxygen demand (COD). The use of a

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Kiseleva, Larisa, Sofya K. Garushyants, Hongwu Ma, et al. "Taxonomic and functional metagenomic analysis of anodic communities in two pilot-scale microbial fuel cells treating different industrial wastewaters." Journal of Integrative Bioinformatics 12, no. 3 (2015): 1–15. http://dx.doi.org/10.1515/jib-2015-273.

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Summary The combined processes of microbial biodegradation accompanied by extracellular electron transfer make microbial fuel cells (MFCs) a promising new technology for cost-effective and sustainable wastewater treatment. Although a number of microbial species that build biofilms on the anode surfaces of operating MFCs have been identified, studies on the metagenomics of entire electrogenic communities are limited. Here we present the results of wholegenome metagenomic analysis of electrochemically active robust anodic microbial communities, and their anaerobic digester (AD) sludge inocula, f

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Rintala, J. A., and S. S. Lepistö. "Pilot-scale thermophilic anaerobic treatment of wastewaters from seasonal vegetable processing industry." Water Science and Technology 36, no. 2-3 (1997): 279–85. http://dx.doi.org/10.2166/wst.1997.0538.

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Thermophilic anaerobic treatment of food industry wastewaters was studied using a 0.65 m3 upflow anaerobic sludge bed (UASB) reactor. The reactor was operated at 55°C and placed on the premises of a factory manufacturing deep-frozen goods from vegetables. The hot (&gt;80-90°C) and concentrated (COD 14-79 g/l) wastewater streams, deriving from steam peeling and blanching of carrot and potato were used. The UASB reactor was inoculated with a small amount of granular sludge from a full-scale mesophilic UASB reactor. Prior to inoculation, the inoculum was acclimated to 55°C for 2 days. The rea

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Rakkoed, A., S. Danteravanich, and U. Puetpaiboon. "Nitrogen removal in attached growth waste stabilization ponds of wastewater from a rubber factory." Water Science and Technology 40, no. 1 (1999): 45–52. http://dx.doi.org/10.2166/wst.1999.0011.

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Nitrogen removal from wastewater from rubber factories using attached-growth waste stabilization ponds (AGWSP) was evaluated. Usually, wastewaters generated from rubber factories such as concentrated latex factories and rubber sheet factories contain a high amount of nitrogen originating from natural rubber and ammonia compounds added in the production processes. From an investigation of 3 rubber factories at Songkhla, Thailand, average concentrations of TKN, NH3-N and Org-N in raw factory wastewater were found to be 889, 578 and 311 mg/l respectively. Two series of laboratory waste treatment

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Artiga, P., M. Carballa, J. M. Garrido, and R. Méndez. "Treatment of winery wastewaters in a membrane submerged bioreactor." Water Science and Technology 56, no. 2 (2007): 63–69. http://dx.doi.org/10.2166/wst.2007.473.

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Wine production is seasonal, and thus the wastewater flow and its chemical oxygen demand (COD) concentrations greatly vary during the vintage and non-vintage periods, as well as being dependant on the winemaking technologies used, e.g. red, white or special wines production. Due to this seasonal high variability in terms of organic matter load, the use of membrane biological reactors (MBR) could be suitable for the treatment of such wastewaters. MBR offers several benefits, such as rapid start up, good effluent quality, low footprint area, absence of voluminous secondary settler and its operat

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Farabegoli, G., A. Chiavola, and E. Rolle. "SBR treatment of olive mill wastewaters: dilution or pre-treatment?" Water Science and Technology 65, no. 9 (2012): 1684–91. http://dx.doi.org/10.2166/wst.2012.068.

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The olive-oil extraction industry is an economically important activity for many countries of the Mediterranean Sea area, with Spain, Greece and Italy being the major producers. This activity, however, may represent a serious environmental problem due to the discharge of highly polluted effluents, usually referred to as ‘olive mill wastewaters’ (OMWs). They are characterized by high values of chemical oxygen demand (COD) (80–300 g/L), lipids, total polyphenols (TPP), tannins and other substances difficult to degrade. An adequate treatment before discharging is therefore required to reduce the

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Yan, Li Long, Ying Zhang, Chuan Ju Li, and Xue Han. "Effectiveness Research of UASB Treatment Piggery Wastewater." Advanced Materials Research 183-185 (January 2011): 188–92. http://dx.doi.org/10.4028/www.scientific.net/amr.183-185.188.

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In order to efficient treatment swine wastewater of chemical oxygen demand(COD) of high concentration, ammonium nitrogen (NH4+-N) of high concentration and high suspended solids (SS) , Up-flow Anaerobic Sludge Bed (UASB) were fed with piggery wastewater and investigated removal effect of COD, SS, NH4+-N, TP. The results showed that, UASB can effectively remove COD and SS in the pig farm wastewater. The corresponding removal rate was respectively 82.36% and 70%. UASB was poor on removal effect of NH4+-N and total phosphate (TP), due to the lack of anaerobic, anoxic environment. UASB is able to

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