Boiler water treatment

Details Boiler water treatment Boiler water treatment

1988-03-15

1989-05-09

Hruskoci, Peter

Liquid purification or separation

Processes

Preventing, decreasing, or delaying precipitation,...

210701, 252180, 252181, C02F 514

Patent

active

048287130

ABSTRACT:
A method for treatment of boiler waters is disclosed. The method comprises a synergetic combination of a methacrylic 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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patent: 4326980 (1982-04-01), Snyder et al.
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patent: 4530766 (1985-07-01), Hann et al.
patent: 4589985 (1986-05-01), Yorke
patent: 4640793 (1987-02-01), Persinski et al.
patent: 4659481 (1987-04-01), Chen
patent: 4671888 (1987-06-01), Yorke
"Betz Handbook of Industrial Water Treatment", 8th Ed., 1980, Betz Laboratories, Inc., Trevose, PA, pp. 89-96.

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