Title:
TREATMENT OF ACTIVATED SLUDGE
Document Type and Number:
WIPO Patent Application WO/1990/009966
Kind Code:
A1
Abstract:
This invention relates to an inhibitor of abnormal phenomena of activated sludge observed in the activated sludge process for treating an organic industrial waste water, such as bulking of activated sludge caused by molds or anomalies thereof caused by actinomycetes, said inhibitor comprising a water-soluble polymer prepared by the reaction of a specified amine with a specified dihalide. The invention also relates to a method for treating activated sludge whereby the anomalies and bulking of the sludge are inhibited by using said inhibitor.
Inventors:
AKIYAMA NAOKI (JP)
HAMANISHI TOSHIHIKO (JP)
ICHIOKA MASUYA (JP)
HAMANISHI TOSHIHIKO (JP)
ICHIOKA MASUYA (JP)
Application Number:
PCT/JP1990/000214
Publication Date:
September 07, 1990
Filing Date:
February 22, 1990
Export Citation:
Assignee:
MITSUBISHI KASEI POLYTEC CO (JP)
International Classes:
C02F1/54; C02F3/12; C02F3/34; (IPC1-7): C02F3/12
Foreign References:
| JPS5541833B2 | 1980-10-27 | |||
| JPS63218296A | 1988-09-12 | |||
| JPS63218295A | 1988-09-12 | |||
| JPS63218294A | 1988-09-12 | |||
| JPS63218297A | 1988-09-12 |
Attorney, Agent or Firm:
Sato, Kazuo (Room 323 Fuji Bldg., 2-3, Marunouchi 3-chom, Chiyoda-ku Tokyo 100, JP)
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