Boiler water treatment
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United States of America Patent
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-
Aug 28, 1990
Issued Date -
N/A
app pub date -
Feb 21, 1989
filing date -
Mar 15, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method for treatment of boiler waters is disclosed. The method comprises a synergetic combination of ametacrylic acid-containing polymer with a strongly interacting nonionic surfactant, together with a chelant and/or a phosphate-generating species. The method is particularly effective when the surfactant is an alkoxylated alkylphenol or an alkoxylated alkylphenol ether.
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