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2단 혐기성소화조의 슬러지 반송율 변화를 통한 Bio-Gas 생산 증대
권구호 ( Kooho Kwon ),이태우 ( Taewoo Lee ),정용준 ( Yongjun Jung ),민경석 ( Kyungsok Min ) 한국환경과학회 2014 한국환경과학회지 Vol.23 No.6
This study has cross checked the change of internal sludge-recycle in Anaerobic-Digestion, and researched about not only the improvement of Bio-gas production from the digested sludge but also the efficient method of sludge minimization. Ultimate object of the study is to reduce the amount of sludge by the improved efficiency of contact with the organic-matter and the microbes in Anaerobic-Digestion. The sludge-recycle fluidized sludge layer and raised the activity of the sludge, the optimal sludge-recycle ratio, VS and COD removal ratio were 1,000%, 28.2% and 27.7%, respectively. Through these results of this study, it may be of use to treat waste sludge by the sludge-recycle ratio in terms of minimization and circulation of resources.