Title:
ANAEROBIC SEWAGE TREATMENT AND DEVICE THEREFOR
Document Type and Number:
Japanese Patent JP3146275
Kind Code:
B2
Abstract:
PURPOSE: To provide a method capable of enhancing the rejection ratio of BOD, COD and nitrogenous component as compared with the conventional method in the anaerobic sewage treatment and to furnish the device having simple structure therefor.
CONSTITUTION: Sewage agitating air is supplied to an anaerobic sewage treating tank 1 to the extent that the anaerobes are not inactivated. The air is intermittently supplied from a diffuser 5 furnished at the lower part in a treating tank 2 through an air feed pipe 7 with an air feeder 6 provided outside the tank 2.
Inventors:
General audience with Kitamura
Application Number:
JP16169194A
Publication Date:
March 12, 2001
Filing Date:
June 08, 1994
Export Citation:
Assignee:
Inax Co., Ltd.
International Classes:
C02F3/28; (IPC1-7): C02F3/28
Domestic Patent References:
| JP5277486A |
Attorney, Agent or Firm:
Toshihiko Uchida