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Recovery of Dissolved Volatile Fatty Acids from Liquid Sludge using Anaerobic Membrane-fermenter System  

Kim, Jong-Oh (Department of Civil Engineering, Kangnung National University)
Kim, Seog-Ku (Korea Institute of Construction Technology, Construction Environment Research Department)
Kim, Ree-Ho (Korea Institute of Construction Technology, Construction Environment Research Department)
Publication Information
Journal of Korean Society on Water Environment / v.20, no.2, 2004 , pp. 183-189 More about this Journal
Abstract
The performance of a membrane-coupled anaerobic fermenter system for the recovery of volatile fatty acids (VFAs) from liquid organic sludge was experimentally investigated. Permeation flux was stably kept around $0.2(m^3/m^2/day)$ during operational period. The membrane-coupled fermenter showed 2.2 times higher VFAs concentration and higher VFAs forming rate than those of fermenter without membrane. The fermenter with membrane proved to be an effective system for the recovery of soluble organic materials from liquid sludge.
Keywords
Membrane; Liquid organic studge; VFAs; Fermenter;
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