Evaluation of Greenhouse Gas Emissions from a Continuous Activated Sludge Process under Power Saving Conditions
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概要
- 論文の詳細を見る
Emissions of greenhouse gases were evaluated using a lab-scale continuous activated sludge reactor for the purpose of power saving at on-site domestic wastewater treatment facility. In addition, the behavior of N<SUB>2</SUB>O production was investigated to figure out the factors reducing N<SUB>2</SUB>O production. The experiments were performed under three power saving conditions. The relation between N<SUB>2</SUB>O production and ammonia, nitrite, nitrate, and dissolved oxygen concentrations was clarified. As a result, it was found that suitable control of ammonia oxidization is an important factor to reduce N<SUB>2</SUB>O production. Higher emission of greenhouse gases was observed in long-term power saving condition compared with the other conditions because of high N<SUB>2</SUB>O emission. The emissions of greenhouse gases were almost the same for conventional condition and short-term power saving condition. However, in light of power shortages, short-term power saving condition has an advantage over conventional condition.
- Japan Society on Water Environmentの論文
著者
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Sugiura Norio
Graduate School Of Life And Environmental Sciences Univ. Of Tsukuba
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KIMOCHI YUZURU
Center for Environmental Science in Saitama
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YAMAZAKI HIROSHI
Ibaraki Pharamaceutical Association
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Jono Koji
Graduate School Of Life And Environmental Sciences University Of Tsukuba
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INAMORI Yuhei
Division of Environment System Management, Faculty of Symbiotic System Science, Fukushima University, Japan
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INAMORI Yuhei
Division of Environmental System Management, Faculty of Symbiotic System Science, Fukushima University, Japan
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SANO Akira
Restoration and Conservation Technology Section, Research Center for Material Cycles and Waste Management, National Institute for Environmental Studies, Japan
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OGURA Yumina
Restoration and Conservation Technology Section, Research Center for Material Cycles and Waste Management, National Institute for Environmental Studies, Japan
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XU Kai-Qin
Restoration and Conservation Technology Section, Research Center for Material Cycles and Waste Management, National Institute for Environmental Studies, Japan
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