Enhancement in Biodegradability of Excess Sludge by Using a Centrifugal Vibration Mill
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概要
- 論文の詳細を見る
In order to enhance the biodegradability of the excess sludge generated from the wastewater treatment, a centrifugal vibration mill was used to mill the activated sludge. The centrifugal vibration mill had a column with a volume of about 10 × 10–3 m3 and the sphere stainless steel balls were used. The operational conditions were changed, and the biodegradability of milled sludge was evaluated by using the BOD. The ball diameter of 7.9 mm was optimum in this experimental condition. The biodegradability of sludge increased with the milling time and became constant beyond 12 minutes. It had a maximum when the effective volume fraction (the ratio of the sludge volume to the void volume in ball bed) was unity.
- 社団法人 化学工学会の論文
- 2005-06-01
著者
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SANO Akira
Department of Analytical Chemistry, Faculty of Pharmaceutical Sciences, Science University of Tokyo
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中村 正秋
Department Of Chemical Engineering Nagoya University
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NAKAMURA Masaaki
Department of Biomaterials, Osaka Dental University
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Bando Y
Department Of Chemical Engineering Nagoya University
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Bando Yoshiyuki
Department Of Applied Chemistry Gifu University
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YASUDA Keiji
Waste Treatment Facility, Nagoya University
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SENGA Akira
Chuo Kakohki Co., Ltd.
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KIYOKAWA Eimei
Chuo Kakohki Co., Ltd.
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Nakamura Masaaki
Department Of Chemical Engineering Nagoya University
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Bando Y
Nagoya Univ. Nagoya Jpn
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Yasuda K
Department Of Chemical Engineering Nagoya University
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Yasuda Keiji
Waste Treatment Facility Nagoya University
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Kiyokawa Eimei
Chuo Kakohki Co. Ltd.
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Sano Akira
Department Of Chemical Engineering Nagoya University
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Yasuda Keiji
Department Of Chemical Engineering Graduate School Of Engineering Nagoya University
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Sano Akira
Department Of Analytical Chemistry Faculty Of Pharmaceutical Sciences Science University Of Tokyo
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Nakamura Masaaki
Department Of Applied Physics Faculty Of Science Tokyo University Of Science
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