Chemical apparatus and process disinfecting – deodorizing – preser – Process disinfecting – preserving – deodorizing – or sterilizing – Maintaining environment nondestructive to metal
Patent
1998-05-21
2000-12-19
Warden, Jill
Chemical apparatus and process disinfecting, deodorizing, preser
Process disinfecting, preserving, deodorizing, or sterilizing
Maintaining environment nondestructive to metal
252175, 252181, 2523892, 422 14, 210697, 210698, C02F 510, C09K 300, C23F 1104
Patent
active
061623911
ABSTRACT:
An agent for preventing scale formation and a method for preventing scale formation include a polymer which has at least 50% of N-vinyl formamide units or N-vinyl acetamide units and a phosphorus compound added to water in a cooling water system, a boiler water system, or the like. The scale preventing agent and scale preventing method of the present invention are effective in preventing the adherence of various types of scales which are generated in cooling water systems, boiler water systems, and the like. In particular, the present invention is effective in preventing the adherence of silica and calcium scale.
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Derwent Abstract of Japanese Publication 11104695. Assignee: Kurita Water Ind Ltd., Oct. 1, 1997.
Derwent Abstract of Japanese Publication 10310886. Inventor: Sato et al, Nov. 24, 1998.
Iimura Akira
Kowata Kenji
Sakaguchi Aya
Sato Shigeru
Usui Urara
Cross LaToya
Kurita Water Industries Ltd.
Warden Jill
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