Title:
INITIAL TREATMENT AGENT FOR CIRCULATING COOLING WATER AND METHOD FOR PREVENTING CORROSION IN CIRCULATING COOLING WATER SYSTEM
Document Type and Number:
WIPO Patent Application WO/2019/230757
Kind Code:
A1
Abstract:
The initial treatment agent according to the present invention for circulating cooling water is one that is to be added to a circulating cooling water system at the time of startup thereof in order to form an anticorrosion film on the surface of metallic members of said water system, and that contains at least one member selected from among tartaric acid and tartaric acid salts.
Inventors:
FUJITA KAZUHISA (JP)
WATANABE KENGO (JP)
WATANABE KENGO (JP)
Application Number:
PCT/JP2019/021219
Publication Date:
December 05, 2019
Filing Date:
May 29, 2019
Export Citation:
Assignee:
KURITA WATER IND LTD (JP)
International Classes:
C23F11/12; F28F19/00
Foreign References:
| JPS5045744A | 1975-04-24 | |||
| JPH04166298A | 1992-06-12 | |||
| JP2012507628A | 2012-03-29 | |||
| JPH1077445A | 1998-03-24 |
Attorney, Agent or Firm:
OHTANI PATENT OFFICE (JP)
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