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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국미생물생명공학회 Journal of Microbiology and Biotechnology Journal of Microbiology and Biotechnology 제19권 제1호
- 발행연도
- 2009.1
- 수록면
- 93 - 98 (6page)
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초록· 키워드
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The thermophilic aerobic digestion (TAD) process is
recognized as an effective method for rapid waste activated
sludge (WAS) degradation and the deactivation of
pathogenic microorganisms. Yet, high energy costs due to
heating and aeration have limited the commercialization
of economical TAD processes. Previous research on
autothermal thermophilic aerobic digestion (ATAD) has
already reduced the heating cost. However, only a few
studies have focused on reducing the aeration cost.
Therefore, this study applied a two-step aeration control
strategy to a fill-and-draw mode semicontinuous TAD
process. The NADH-dependent fluorescence was monitored
throughout the TAD experiment, and the aeration rate
shifted according to the fluorescence intensity. As a result,
the simple two-step aeration control operation achieved a
20.3% reduction in the total aeration, while maintaining
an effective and stable operation. It is also expected that
more savings can be achieved with a further reduction of
the lower aeration rate or multisegmentation of the
aeration rate.
목차
등록된 정보가 없습니다.
참고문헌 (24)
참고문헌 신청
Al-Ghusain, I. / 1995 / Use of pH as control parameter for aerobic/anoxic sludge digestion / J. Environ. Eng 121 : 225 ~ 235
Bomio, M. / 1989 / Growth and biocatalytic activities of aerobic thermophilic populations in sewage sludge / Appl. Microbiol. Biotechnol 32 : 356 ~ 362
Borowski, S. / 2007 / Experiences with the dual digestion of municipal sewage sludge / Bioresource Technol 98 : 1199 ~ 1207
Christopher, J. R. / 1996 / Pretreatment of sewage sludges / Appl. Biochem. Biotech 57 : 983 ~ 990
Chu, A. / 1997 / The influence of aeration and solids retention time on volatile fatty acid accumulation in thermophilic aerobic digestion of sludge / Environ. Technol 18 : 7
Bomio, M. / 1989 / Growth and biocatalytic activities of aerobic thermophilic populations in sewage sludge / Appl. Microbiol. Biotechnol 32 : 356 ~ 362
Borowski, S. / 2007 / Experiences with the dual digestion of municipal sewage sludge / Bioresource Technol 98 : 1199 ~ 1207
Christopher, J. R. / 1996 / Pretreatment of sewage sludges / Appl. Biochem. Biotech 57 : 983 ~ 990
Chu, A. / 1997 / The influence of aeration and solids retention time on volatile fatty acid accumulation in thermophilic aerobic digestion of sludge / Environ. Technol 18 : 7
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