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Title:
有機排水の処理方法及び処理装置
Document Type and Number:
Japanese Patent JP5444684
Kind Code:
B2
Abstract:

To provide an organic wastewater treatment apparatus which can effectively treat organic wastewater containing hardly biodegradable organic matter, and sufficiently reduce a TOC concentration in the obtained treated water.

The apparatus 100 for treating organic wastewater containing hardly biodegradable organic matter and easily biodegradable organic matter includes a first treatment device 1 for biologically treating the organic wastewater, a second treatment device 2 disposed downstream of the first treatment device 1 for degrading at least a part of the hardly biodegradable organic matter by ozone treatment to obtain degraded products a third treatment device 4 disposed downstream of the second treatment device 2 for performing reverse osmosis membrane treatment or biological treatment of the degraded products, and a fourth treatment device 5 disposed downstream of the third treatment device 4 for performing one of reverse osmosis membrane treatment and biological treatment, different from the treatment performed by the third treatment device 4.

COPYRIGHT: (C)2010,JPO&INPIT


Inventors:
Atsushi Nemoto
Satoshi Yamada
Ikuno Nozomi
Application Number:
JP2008270445A
Publication Date:
March 19, 2014
Filing Date:
October 21, 2008
Export Citation:
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Assignee:
Kurita Water Industries Ltd.
International Classes:
C02F9/00; B01D61/04; C02F1/28; C02F1/44; C02F1/52; C02F1/78; C02F3/10; C02F3/12
Domestic Patent References:
JP7185546A
JP2008207122A
JP2001170672A
JP2005230731A
JP2007260494A
JP62152600A
JP2007021457A
JP2007253073A
JP2008246386A
JP11165192A
JP55106600A
JP3178398A
JP2008000642A
JP50150265A
JP6079272A
JP9117797A
JP11239789A
JP11347587A
JP2000084590A
JP2002136981A
JP2005169372A
JP2005230774A
JP2007253115A
JP2009000590A
JP2009000591A
Attorney, Agent or Firm:
Hiroaki Aoki
Yasuo Morimura



 
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