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A Characteristics of Biogas Recovery and Biodegradability of Piggery Wastewater Using Granule of Two-Phase Anaerobic Process with UASB  

Oh, SungMo (서울시립대학교)
Bae, Yoon Sun (서울시립대학교)
Park, Chul Hwi (서울시립대학교)
Publication Information
Journal of Korean Society of Water and Wastewater / v.21, no.3, 2007 , pp. 315-322 More about this Journal
Abstract
The purpose of this study was to investigate the biodegradability and performance of organic removal and methane production rate when treating piggery wastewater using a granule of two-phase anaerobic process applied UASB. BMP test was conducted as simple means to monitor relative biodegradability of substrate and to determine methane production of an organic material. The two-phase anaerobic process is consisted of a continuous flow stirred-tank reactor (CFSTR) for the acidification phase and an Upflow Anaerobic Sludge Blanket reactor (UASB) for the methanogenesis. The acidogenic reactor played key roles in reducing the periodically applied shock-loading and in the acidification of the influent organics. A stable maximum biogas production rate was 400mL. The methane contents ranged from 73 to 80% during the experimental period. It is known that most of the removed organic matter was converted to methane gas, and the produced biogas might be high quality for its subsequent use.
Keywords
Two-phase anaerobic process; UASB; piggery wastewater; biogas recovery; methanogenesis; BMP test; granule;
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