Title:
SEWERAGE CLARIFICATION FACILITY
Document Type and Number:
WIPO Patent Application WO/2012/133739
Kind Code:
A1
Abstract:
Provided is a sewerage clarification facility which can promote reduction of a production cost without a control device for controlling washing operation. The sewerage clarification facility includes a biological treatment section (A) for biologically treating water to be treated, a carrier filter tank (B) for filtering the water treated in the biological treatment section (A), a carrier (23) charged into the carrier filter tank (B) and having a specific gravity more than that of water, and an air lift pump (P) for sucking the carrier (23) and the water to be treated from the bottom part of the tank into a pumping path (25) to return the carrier (23) to the upper part of the carrier filter tank (B).
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Inventors:
NISHIKAWA NOBUHIKO (JP)
Application Number:
PCT/JP2012/058525
Publication Date:
October 04, 2012
Filing Date:
March 30, 2012
Export Citation:
Assignee:
KUBOTA KK (JP)
NISHIKAWA NOBUHIKO (JP)
NISHIKAWA NOBUHIKO (JP)
International Classes:
C02F3/00; B01D24/00; B01D24/36; B01D24/46; B01D29/62; C02F3/08; C02F3/34
Foreign References:
| JP2007061705A | 2007-03-15 | |||
| JPS57130590A | 1982-08-13 | |||
| JPS6096000U | 1985-06-29 | |||
| JPS6349297A | 1988-03-02 | |||
| JPS58139793A | 1983-08-19 | |||
| JPH03213197A | 1991-09-18 | |||
| JP2001336500A | 2001-12-07 | |||
| JPH1015570A | 1998-01-20 | |||
| JPS5840209U | 1983-03-16 |
Attorney, Agent or Firm:
KITAMURA Shuichiro et al. (JP)
Shuichiro Kitamura (JP)
Shuichiro Kitamura (JP)
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Claims: