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http://dx.doi.org/10.17137/korrae.2018.26.3.47

Application Plan of Sludge Reduction and Improvement of Ananerobic Digestion Rate Using VFAs from Food Waste  

Lee, Kawng Hun (Korea Engineering Consultants Corp.)
Kim, Gil Su (Korea Engineering Consultants Corp.)
Sun, Beong Keon (Korea Engineering Consultants Corp.)
Choi, Chan Sup (Korea Engineering Consultants Corp.)
Cho, Gin Woo (Division of Environmental Engineering, Yonsei University)
Shin, Jae Hoon (Division of Environmental Engineering, Yonsei University)
Jeong, Tae Young (Division of Environmental Engineering, Yonsei University)
Publication Information
Journal of the Korea Organic Resources Recycling Association / v.26, no.3, 2018 , pp. 47-54 More about this Journal
Abstract
This study examined the improvement of anaerobic digestion rate and sludge reduction as a result of the addition of anaerobic digestion with thickened sludge and solution of VFAs obtained from food waste. The methane production rate of the digestion system was 2.21 times higher when anaerobic digestion reactor injected into anaerobes with VFAs from food wastes of 5 percent. Also, The reduction of the amount of concentrated sludge injected will proceed rapidly because of the TCOD concentration in the digestion reactor was more than twice higher. Indirectly it was shown that the increased production system contributed significantly to the methane production efficiency.
Keywords
Thickened sludge; Reduction; Anaerobic digestion; VFAs; Methane production;
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