Treatment for water systems to inhibit corrosion and scale forma

Details Treatment for water systems to inhibit corrosion and scale forma Treatment for water systems to inhibit corrosion and scale forma

1988-05-18

1989-09-26

Hruskoci, Peter

Liquid purification or separation

Processes

Preventing, decreasing, or delaying precipitation,...

210701, 422 15, 422 17, 422 19, C02F 514

Patent

active

048698270

ABSTRACT:
This invention relates to an improved composition and method which inhibit the corrosion of and the formation of scale on metals present in an aqueous system. The composition comprises a water soluble copolymer having moieties derived from acrylic acid and from lower alkyl hydroxy acrylates, and a combination of a manganese compound and an aminoalkylenephosphonic acid derivative or its salts.

REFERENCES:
patent: 3976589 (1976-08-01), Mitchell
patent: 4303568 (1981-12-01), May et al.
patent: 4324664 (1982-04-01), Snyder et al.
patent: 4324684 (1982-04-01), Geiger et al.
patent: 4640818 (1987-02-01), Grierson et al.
patent: 4774018 (1988-09-01), Chagnard et al.

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