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  • STUDY ON SOLUBILIZATION OF EXCESS SLUDGE BY HIGH-SPEED ROTARY DISK PROCESS AND ITS BIODEGRADABLITY  [in Japanese]

    IMAI Tsuyoshi , ARAKANE Mitsuhiro , SEKINE Masahiko , HIGUCHI Takaya , UKITA Masao

    下水処理にともない発生する余剰汚泥の可溶化法の一つである高速回転ディスク法を用いて,汚泥を可溶化·減量化する実験を行った.実験結果より,可溶化された汚泥を嫌気性処理することで,汚泥の消化期間を約10日まで短縮できた.さらに,可溶化された汚泥を好気性処理した場合に沈殿槽からの余剰汚泥の引抜量を60%程度削減でき,処理水質も良好に維持できた.加えて,高速回転ディスク法,超音波処理法,亜臨 …

    Doboku Gakkai Ronbunshuu G 63(4), 351-359, 2007

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  • A STUDY ON SOLUBILIZATION OF EXCESS SLUDGE BY HIGH SPEED ROTARY DISK PROCESS

    Imai T. , Fukagawa M. , Ukita M. , Sekine M. , Higuchi T. , Kawamura T.

    … This study describes the solubilization of excess sludge by high speed rotary disk process. … The experiments of sludge through the high speed rotary disk were carried out. … The results indicated that it was possible to improve the solubilization of excess sludge by this treatment process. …

    Journal of Water and Environment Technology 1(1), 79-84, 2003

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  • Advanced solubilization of excess sludge by high-speed rotary disk process.  [in Japanese]

    Imai Tsuyoshi , Ukita Masao , Fukagawa Masayuki , Kawamura Tomoki , Sekine Masahiko , Higuchi Takaya

    … In this study, solubilization of return sludge from secondary sedimentation tank (excess sludge) of wastewater treatment plant was investigated by passing the sludge through varying gaps (0.1-20 mm) between two high-speed rotary disks. … The process was found to enhance the solubilization considerably. … The solubilization remained high even though the gap between the two disks was increased to 20 mm. …

    ENVIRONMENTAL ENGINEERING RESEARCH (38), 131-139, 2001

    J-STAGE  Cited by (1)

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