Browse > Article
http://dx.doi.org/10.5762/KAIS.2014.15.7.4665

Application of electro-coagulation for the pretreatment of membrane separation of anaerobic digestion effluents  

Kim, Shin-Young (Department of Environmental Engineering, Hoseo University)
Chang, In-Soung (Department of Environmental Engineering, Hoseo University)
Kim, Jang-Kyu (BKT Co., Ltd.)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.15, no.7, 2014 , pp. 4665-4674 More about this Journal
Abstract
The aim of this study was to confirm the feasibility of the electro-coagulation process as a pre-treatment for the membrane separation of anaerobic digestion effluents to minimize membrane fouling. The reduction of membrane fouling was evaluated according to the number of electrodes (immersed surface area of electrodes), current density and contact time. In the case of the small surface area of electrodes, the increased electric field strength resulted in a soluble COD increase due to the destruction of the microbial flocs and/or cells, whereas large changes in the soluble COD were not observed in the case of the high surface area of electrodes. On the other hand, the T-P concentration decreased as a result of the precipitation of aluminum ions and phosphates. The membrane permeation flux increased and the fouling resistance (Rc+Rf) decreased with increasing electric current density. Although the particle size of the anaerobic digestion effluent increased slightly, it was not related directly to the reduced fouling phenomena. The main mechanism for the enhanced flux was attributed to the inorganic particulate produced during electrocoagulation, such as $AlPO_4$, which acted as a dynamic membrane deposited on the membrane surface.
Keywords
Anaerobic digestion effluents; Dynamic membrane; Electro-coagulation; Membrane fouling;
Citations & Related Records
연도 인용수 순위
  • Reference
1 Idil Arslan-Alaton, Isik Kabdasli, Deniz Hanbaba, Elif Kuybu, "Electrocoagulation of a real reactive dyebath effluent using aluminum and stainless steel electroeds", Journal of Hazardous Materials, 150, pp. 166-173, 2008 DOI: http://dx.doi.org/10.1016/j.jhazmat.2007.09.032   DOI   ScienceOn
2 Ivonne Linares-Hernandez, Carlos Barrera-Diaz, Gabriela Roa-Morales, Bryan Bilyeu, Fernando Urena-Nunez, "Influence of the anodic material on electrocoagulation performance", Chemical Engineering Journal, 148, pp. 97-105, 2009 DOI: http://dx.doi.org/10.1016/j.cej.2008.08.007   DOI   ScienceOn
3 J-Y. Kim, J-H Lee, I-S Chang, J-H. Lee, C-W. Yi, High voltage impulse electric fields: Disinfection kinetics and its effect on membrane bio-fouling, Desalination (2011) 283, 111-116. DOI: http://dx.doi.org/10.1016/j.desal.2011.03.039   DOI   ScienceOn
4 K. Aronsson, U. Ronner, E. Borch, Inactivation of Escherichia coli, Listeriainnocua and Saccharomyces cerevisiae in relation to membrane permeabilization and subsequent leakage of intracellular compounds due to pulsed electric field processing, Int. J. Food Microb. 99(2005) 19-32. DOI: http://dx.doi.org/10.1016/j.ijfoodmicro.2004.07.012   DOI   ScienceOn
5 In-Soung Chang, Robert Field, Zhanfeng Cui, "Limitations of resistance in series model for fouling analysis in membrane bioreactors: A cahtionary note", Desalination and Water Treatment, 8, pp.31-36, 2009 DOI: http://dx.doi.org/10.5004/dwt.2009.687   DOI
6 Jong-Oh Kim, Jong-Tae Jung, Ick-Tae Yeom, Gyung-Hae Aoh, "Electric fields treatment for the reduction of membrane fouling, the inactivation of bacteria and the enhancement of particle coagulation", Desalination, 202, pp.31-37, 2007 DOI: http://dx.doi.org/10.1016/j.desal.2005.12.035   DOI   ScienceOn
7 Marc Altman, Raphael Semiat, David Hasson, "Removal of organic foulants from feed waters by dynamic membranes", Desalination, 125, pp.65-75, 1999 DOI: http://dx.doi.org/10.1016/S0011-9164(99)00124-1   DOI   ScienceOn
8 Jeong-Min Baek, "Liquid fertilizer production of sludge from anaerobic digested of livestock wastewater and food waste", M. s. Dissertation, Kyung-Sung University, Korea, 2008
9 Sou-Ik Kim, "(A) study on the sewage sludge pretreatment by ultrasound", M. s. Dissertation, Korea University, Korea, 2010
10 Ronald L. Droste, "Theory and practice of water and wastewater treatment"
11 Chul-Hwi Park, Jung-Won Seo, Jong-Woon Park, Jong-Hwan Park, "sewage treatment planning process and operation management"
12 Reza Katal, Hassan Pahlavanzadeh, "Influence of different combinations of aluminum and iron electrode on electrocoagulation efficiency: Application to the treatment of paper mill wastewater", Desalination, 265, pp.199-205, 2011 DOI: http://dx.doi.org/10.1016/j.desal.2010.07.052   DOI   ScienceOn
13 Patrick Drogui, Melanie Asselin, Satinder K. Brar, Hamel Benmoussa, Jean-Francois Blais, "Electrochemical removal of pollutants from agro-industry wastewaters", Separation and Purification Technology, 61, pp.301-310, 2008 DOI: http://dx.doi.org/10.1016/j.seppur.2007.10.013   DOI   ScienceOn
14 Amel Benhadji, Mourad Taleb Ahmed, Rachida Maachi, "Electrocoagulation and effect of cathode materials on the removal of pollutants from taneery wastewater of Rouiba", Desalination, 277, pp.128-134, 2011 DOI: http://dx.doi.org/10.1016/j.desal.2011.04.014   DOI   ScienceOn