Title:
WASTEWATER TREATMENT METHOD AND WASTEWATER TREATMENT DEVICE
Document Type and Number:
WIPO Patent Application WO/2014/003007
Kind Code:
A1
Abstract:
Provided is a wastewater treatment method which comprises: introducing, into a biotreatment tank, mixed water comprising both wastewater and active sludge; immersing a support on which the active sludge is to be deposited, in the mixed water inside the biotreatment tank; aerating the mixed water; setting, at 10 mPa·s or less, the viscosity of the mixed water to be aerated inside the biotreatment tank; and subjecting the mixed water having been biotreated with the active sludge under aerobic conditions due to the aeration, to membrane separation with a membrane unit, thereby obtaining penetrant water that has become purified water.
Inventors:
MARUNO HIROFUMI (JP)
MIURA MASAHIKO (JP)
SHIMADA MITSUSHIGE (JP)
MIURA MASAHIKO (JP)
SHIMADA MITSUSHIGE (JP)
Application Number:
PCT/JP2013/067394
Publication Date:
January 03, 2014
Filing Date:
June 25, 2013
Export Citation:
Assignee:
KOBELCO ECO SOLUTIONS CO LTD (JP)
International Classes:
C02F3/06; C02F1/44
Foreign References:
| JP2010137216A | 2010-06-24 | |||
| JPH07256281A | 1995-10-09 | |||
| JPH11114562A | 1999-04-27 | |||
| JPH105783A | 1998-01-13 | |||
| JP2010042329A | 2010-02-25 | |||
| JP2010253355A | 2010-11-11 |
Attorney, Agent or Firm:
FUJIMOTO, NOBORU (JP)
Noboru Fujimoto (JP)
Noboru Fujimoto (JP)
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