Title:
STERILIZATION METHOD FOR WATER SYSTEM, METHOD OF REMOVING NITROSAMINE COMPOUND FROM WATER SYSTEM AND DRINKING WATER PRODUCTION METHOD
Document Type and Number:
WIPO Patent Application WO/2020/136963
Kind Code:
A1
Abstract:
Provided is a sterilization method for a water system, the sterilization method being capable of suppressing the production amount of a nitrosamine compound while exhibiting a sufficient sterilization effect in precursor-containing water that contains a nitrosamine compound precursor. In the sterilization method for a water system, a stabilizing composition containing a bromine-based oxidizing agent or a chlorine-based oxidizing agent and a sulfamic acid compound is added to the precursor-containing water that contains the nitrosamine compound precursor.
Inventors:
YOSHIKAWA HIRO (JP)
SUZUKI YUDAI (JP)
EGUCHI MASAHIRO (JP)
SUZUKI YUDAI (JP)
EGUCHI MASAHIRO (JP)
Application Number:
PCT/JP2019/027763
Publication Date:
July 02, 2020
Filing Date:
July 12, 2019
Export Citation:
Assignee:
ORGANO CORP (JP)
International Classes:
C02F1/50; A01N25/00; A01N59/00; A01P1/00; B01D65/08; C02F1/32; C02F1/44; C02F1/76; C02F9/04; C02F9/08; C02F9/12; C02F9/14
Foreign References:
| JP2018114472A | 2018-07-26 | |||
| JPH10290996A | 1998-11-04 | |||
| JP2018183751A | 2018-11-22 | |||
| JPH0924379A | 1997-01-28 | |||
| JPS63175689A | 1988-07-20 |
Attorney, Agent or Firm:
YKI INTELLECTUAL PROPERTY ATTORNEYS (JP)
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