Treatment of Liquid Fraction Separated from Liquidized Food Waste an Upflow Anaerobic Sludge Blanket Reactor
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概要
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Thermochemical liquidization as a pretreatment for anaerobic digestion of food waste was studied using a laboratory-scale upflow anaerobic sludge blanket(UASB)reactor for a period of 82d. Model food waste(approximately 90wt% moisture content)was thermochemically liquidized at 175°C for 1h. The liquidized food waste was separated into a solid phase(6-10wt%)and a liquid phase(85-89wt%). The diluted liquid phase was continuously treated by anaerobic digestion using a UASB reactor at 35°C. The volumetric loading rate was increased stepwise to 6.4-7.2g total organic carbon(TOC)/l-reactor/d. Methane production was found to be approximately 0.35-0.61l/g-TOC removed. The range of TOC removal efficiencies was 67-69% at an influent TOC concentration of 10.1-11.1g/l and a volumetric loading rate of 4.8-5.3g-TOC/l-reactor/d. This treatment process using an UASB reactor could be suitable for resource recovery from food waste.
- 社団法人日本生物工学会の論文
- 1999-04-25
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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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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TSUKAHARA KENICHIRO
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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Yagishita Tatsuo
Biomass Research Group Institute For Energy Utilization National Institute Of Advanced Industrial Sc
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Tsukahara Kenichiro
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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