Dewatering of Extracellular Polymer and Activated Sludges by Thermochemical Treatment
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概要
- 論文の詳細を見る
Of the dewatering characteristics of activated sludges in our previous paper, the dewatering rate of sludge decreased in proportion to increasing amounts of extracellular polymer. As extracellular polymer in activated sludge was one of the important factors in the dewatering process, the change of the dewatering characteristics of thermochemically treated sludge (containing extracellular polymer) were compared with that of extracellular polymer extracted from sludge. The ultrafiltration rate of extracellular polymer flocculated by thermochemical treatment was much faster than that without treatment, indicating improved dewatering characteristics. Under the same treatment conditions, the dewatering characteristics of sludge were also much improved. The addition of the extracellular polymer treated thermochemically below pH 3 had no effect on the dewatering characteristics of the sludge. The addition of a flocculant to the thermochemically treated sludge was found to further improve the dewatering characteristics. The thermochemical treatment under low pH condition facilitated the flaking of the cake from the filter.
- 社団法人日本生物工学会の論文
- 1990-02-25
著者
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Kishimoto Michimasa
Department of Chemistry and Materials Technology, Kyoto Institute of Technology
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SHIOYA SUTEAKI
Department of Biotechnology, Graduate School of Engineering, Osaka University
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YOSHIDA Toshiomi
International Center for Biotechnology, Osaka University
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Yoshida Toshiomi
International Center For Biotechnology Osaka University
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吉田 豊和
岐阜大・工・生命工
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Suzuki Shingo
Department Of Bioinformatic Engineering Graduate School Of Information Science And Technology Osaka
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Yoshida T
Division Of Material And Biological Graduate School Japan Women's University
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SUGA KEN-ICHI
Department of Biotechnology, Faculty of Engineering, Osaka University
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Suzuki Shingo
Technology Osaka University
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Suga K
Osaka Univ. Osaka Jpn
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Suga K
Osaka Univ. Osaka
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Suga Ken-ichi
Department Of Biological Science And Technology Science University Of Tokyo
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Kishimoto Michimasa
Department Of Biological Science Technology Scientific University Of Tokyo
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Kishimoto Mishimasa
Department Of Biological Science And Technology Science University Of Tokyo
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Kishimoto Michimasa
Department Of Biotechnology Faculty Of Engineering Osaka University
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Kishimoto Michimasa
Deparmtnet Of Biotechnology Osaka University
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Kang Sang-mo
Department Of Fermentation Technology Faculty Of Engineering Osaka University
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Shioya S
Department Of Biotechnology Graduate School Of Engineering Osaka University
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Shioya Suteaki
Department Of Biotechnology Graduate School Of Engineering Osaka University:(present Office)departme
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Shioya Suteaki
Department Of Biotechnology Faculty Of Engineering Osaka University
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Shioya Suteaki
Department Of Fermentation Technology Osaka University
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Kishimoto Michimasa
International Center Of Cooperative Research In Biotechnology Japan Osaka University
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Yoshida Toshiomi
Internatioal Center For Biotechnology Osaka University
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吉田 豊和
岐阜大 工
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