Title:
WATER DISCHARGE METHOD, WATER TREATMENT METHOD, RESIDUAL CHLORINE REDUCTION METHOD, AND WATER TREATMENT FACILITY
Document Type and Number:
WIPO Patent Application WO/2022/249487
Kind Code:
A1
Abstract:
The purpose of the present invention is to reduce the concentration of residual chlorine in water to be discharged into a body of natural water, such as a sea. Water is taken into a water channel 25 from a body of natural water through a water inlet 21, and the water taken into the water channel 25 is discharged to the body of natural water through a water outlet 24. The water is added with a chlorine chemical at a first predetermined position in the water channel 25. After bringing a hydrogen-containing liquid having hydrogen dissolved therein into contact with a catalyst 51 for enhancement of reducing power, the hydrogen-containing liquid is added to the water within the water channel 25 at a second predetermined position that is on the water outlet 24 side with respect to the first predetermined position.
Inventors:
YOSHIZAKI TSUKASA (JP)
UCHIYAMA ICHIRO (JP)
TANIGUCHI NAOHIKO (JP)
UCHIYAMA ICHIRO (JP)
TANIGUCHI NAOHIKO (JP)
Application Number:
PCT/JP2021/020545
Publication Date:
December 01, 2022
Filing Date:
May 28, 2021
Export Citation:
Assignee:
CHUGOKU ELECTRIC POWER (JP)
International Classes:
B01D61/10; A01K63/04; C02F1/461; C02F1/50; C02F1/66; C02F1/70
Domestic Patent References:
| WO2003002466A1 | 2003-01-09 | |||
| WO2016121063A1 | 2016-08-04 | |||
| WO2019031430A1 | 2019-02-14 |
Foreign References:
| JP2001145890A | 2001-05-29 | |||
| JPS5599382A | 1980-07-29 | |||
| JPH10504999A | 1998-05-19 | |||
| JP2011528982A | 2011-12-01 | |||
| JP2004254574A | 2004-09-16 | |||
| JPH1137666A | 1999-02-12 | |||
| JP2006238769A | 2006-09-14 |
Attorney, Agent or Firm:
ISSHIKI & CO. (JP)
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