Thermochemical Liquidization and Anaerobic Treatment of Dewatered Sewage Sludge
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概要
- 論文の詳細を見る
Dewatered sewage sludge was thermochemically liquidized at 175℃ and the liquidized sludge was separated by centrifugation to 57.7%(w/w)supernatant [moisture, 92.3%; volatile solid (VS), 7.0%] and 42.3% precipitate (moisture, 71.6%; VS, 18.9%). The supernatant was successfully anaerobically digested. Biogas yield from the supernatant at organic loading concentrations of 1.9-2.2g VS/l during 9 day's incubation was 440 ml/g-added VS and digestion ratio was 66% (w/w). Biogas yield in the case of dewatered sewage sludge was 257 ml/g-added VS and digestion ratio was 45%. Digestion of the supernatant resulted in high biogas productivity and a high digestion ratio compared with that of the dewatered sewage sludge. Moreover, it was suggested that the precipitate can be incincerated without the need for any supplemental fuel.
- 社団法人日本生物工学会の論文
- 1995-03-25
著者
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Sawayama Shigeki
Biomass Technology Research Center (BTRC), National Institute of Advanced Industrial Science and Tec
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Sawayama Shigeki
Biomass Research Group Institute For Energy Utilization National Institute Of Advanced Industrial Sc
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Inoue S
Yokohama National Univ. Yokohama
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Inoue Shinji
Biomass Research Group Institute For Energy Utilization National Institute Of Advanced Industrial Sc
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Ogi T
Institute For Energy Utilization National Institute Of Advanced Industrial Science And Technology
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YAGISHITA TATSUO
Biomass Division, National Institute for Resources and Environment
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OGI TOMOKO
Biomass Division, National Institute for Resources and Environment
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INOUE SEIICHI
Biomass Laboratory, National Institute for Resources and Environment
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YOKOYAMA SHIN-YA
Biomass Laboratory, National Institute for Resources and Environment
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Yokoyama Shin-ya
Biomass Laboratory National Institute For Resources And Environment
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Yagishita Tatsuo
Biomass Research Group Institute For Energy Utilization National Institute Of Advanced Industrial Sc
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Sawayama Shigeki
Biomass Division National Institute For Resources And Environment Aist Miti
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