Upgrading of Anaerobic Digestion by Incorporating Two Different Hydrolysis Processes(ENVIRONMENTAL BIOTECHNOLOGY)
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概要
- 論文の詳細を見る
The purpose of this study was to increase the efficiency of anaerobic digestion of waste activated sludge (WAS). Either thermochemical or biological hydrolysis was used as a pretreatment and the effects of both were investigated and compared. Two different three-stage digestion systems showed improved performance, although thermochemical hydrolysis showed better results than biological hydrolysis in a bench-scale operation. After anaerobic digestion with thermochemical pretreatment, the total chemical oxygen demand (tCOD) reduction, volatile solid (VS) reduction, methane yield and methane biogas content were 88.9%, 77.5%, 0.52m^3/kg VS and 79.5%, respectively. These results should help in determining the best hydrolysis pretreatment process for anaerobic digestion and in improving the design and operation of the large-scale treatment of WAS by anaerobic digestion with hydrolysis systems.
- 社団法人日本生物工学会の論文
- 2005-08-25
著者
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Chase Howard
Cambridge Unit For Bioscience Engineering Department Of Chemical Engineering University Of Cambridge
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Kim Sangyong
Industrial Ecology National Research Laboratory Korea Institute Of Industrial Technology
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Park Chulhwan
Cambridge Unit For Bioscience Engineering Department Of Chemical Engineering University Of Cambridge
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Lee Chunyeon
Department Of Chemistry Cleveland State University
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Chen Yu
Cambridge Unit for Bioscience Engineering, Department of Chemical Engineering, University of Cambrid
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- Upgrading of Anaerobic Digestion by Incorporating Two Different Hydrolysis Processes(ENVIRONMENTAL BIOTECHNOLOGY)
- Upgrading of Anaerobic Digestion by Incorporating Two Different Hydrolysis Processes