Aeration Method and Phosphate Release Behavior in Phosphate Removal by Sea Water Activated Sludge
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概要
- 論文の詳細を見る
The upper limit of the length of the anaerobic period necessary to achieve an excess uptake of phosphate (P), and the relationship between P release and removal were examined by the fill-and-draw anaerobic-aerobic sea water activated sludge process. An anaerobic period of less than 8 h was favorable to achieve an uptake of excess P. The dimensionless amount of released P normalized by BOD fed in one cycle was smaller for sea water sludge than that for fresh water sludge when both sludges realized the same dimensionless amount of P removal normalized by BOD fed in the cycle. The orthophosphate concentration in cold acid extract was 4.49% of total P in the sludge solid. Thus P was mainly taken up biologically by sea water activated sludge.
- 社団法人日本生物工学会の論文
- 1991-09-25
著者
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IMAI Hiroshi
Departments of Cardio-angiology and Emergency and Critical Care Medicine, Kitasato University School
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Endoh Kazuo
Dapartment Of Chemical Process Engineering Faculty Of Engineering Hokkaido University
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Kawamura M
Kyowa Hakko Kogyo Co. Ltd. Ibaraki Jpn
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KAWAMURA MICHIO
Department of Chemical Process Engineering, Faculty of Engineering, Hokkaido University
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Imai Hiroshi
Department Of Biological Sciences Graduate School Of Science University Of Tokyo
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