Title:
有機性物質を含有する廃水の浄化処理方法
Document Type and Number:
Japanese Patent JP4541776
Kind Code:
B2
Abstract:
To provide a method for cleaning wastewater containing an organic substance.
The method for cleaning the wastewater containing the organic substance by carrying out a supercritical treatment or a subcritical treatment comprises the steps of carrying out a solid-liquid separation treatment which is at least one pretreatmet selected from a coagulant-using separation treatment, a sedimentation treatment, a floatation separation treatment and a filtration treatment, executing a primary treatment which is a biological treatment and then executing a secondary treatment which is the supercritical treatment or the subcritical treatment for cleaning.
COPYRIGHT: (C)2005,JPO&NCIPI
Inventors:
Genji Imai
Naoki Miyata
Takeshi Sako
Okajima Izumi
Naoki Miyata
Takeshi Sako
Okajima Izumi
Application Number:
JP2004181784A
Publication Date:
September 08, 2010
Filing Date:
June 18, 2004
Export Citation:
Assignee:
KANSAI PAINT CO.,LTD.
International Classes:
C02F1/52; C02F1/74; B01J3/00; B01J21/04; C02F1/24; C02F1/30; C02F1/461; C02F3/34; C02F9/00
Domestic Patent References:
| JP2003299941A | ||||
| JP2002273459A | ||||
| JP2002102870A | ||||
| JP2003088892A | ||||
| JP6142407A |
Attorney, Agent or Firm:
Akio Miyazaki
Ishibashi Masayuki
Masaaki Ogata
Ishibashi Masayuki
Masaaki Ogata