Title:
METHOD FOR TREATING WASTEWATER CONTAINING ORGANIC SUBSTANCE
Document Type and Number:
WIPO Patent Application WO/2022/071027
Kind Code:
A1
Abstract:
A method for treating wastewater containing an organic substance, the method comprising subjecting the wastewater containing an organic substance to a filtration separation treatment with an oil-repellent separation membrane and subsequently subjecting treated water obtained by the filtration separation treatment to an active sludge treatment and/or an evaporation treatment.
Inventors:
SATO NAGAHISA (JP)
KOBAYASHI KENTARO (JP)
KOBAYASHI KENTARO (JP)
Application Number:
PCT/JP2021/034602
Publication Date:
April 07, 2022
Filing Date:
September 21, 2021
Export Citation:
Assignee:
NITTO DENKO CORP (JP)
International Classes:
B01D69/10; B01D69/12; B01D71/32; B01D71/34; C02F1/04; C02F1/44; C02F3/12; C02F9/14
Domestic Patent References:
| WO2020085432A1 | 2020-04-30 |
Foreign References:
| JP2004033998A | 2004-02-05 | |||
| JP2016209842A | 2016-12-15 | |||
| JP2012192367A | 2012-10-11 | |||
| JP2003053328A | 2003-02-25 | |||
| JP2020104104A | 2020-07-09 | |||
| JP2014057931A | 2014-04-03 | |||
| JP2016112559A | 2016-06-23 | |||
| JP6956243B1 | 2021-11-02 | |||
| JP6767562B1 | 2020-10-14 |
Attorney, Agent or Firm:
ITOH, Tadashige et al. (JP)
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