Scale inhibition

Details Scale inhibition Scale inhibition

1980-07-31

1981-12-22

Hruskoci, Peter A.

Compositions

Water-softening or purifying or scale-inhibiting agents

Plant or organic material containing

210699, C02F 514

Patent

active

043069916

ABSTRACT:
This invention relates to an improved composition for inhibiting deposition of scale in aqueous systems. More specifically, it relates to the use of small quantities of an improved composition for preventing formation of scale and sludge deposits in steam generating boilers. The composition is characterized by the fact that by using a plurality of selected ingredients a synergistic effect is obtained. The ingredients comprise a copolymer of styrene sulfonic acid and maleic anhydride or maleic acid, along with a water soluble organophosphonic acid compound.

REFERENCES:
patent: 3072618 (1968-01-01), Turbak
patent: 3276998 (1966-10-01), Green
patent: 3289734 (1966-12-01), Robertson
patent: 3297578 (1967-01-01), Crutchfield et al.
patent: 3630937 (1971-12-01), Baum
patent: 3634257 (1972-01-01), Porter et al.
patent: 3650970 (1972-03-01), Pratt et al.
patent: 3671448 (1972-06-01), Kowalski
patent: 3706717 (1972-12-01), Siegele
patent: 3715307 (1973-02-01), Johnson
patent: 3723333 (1973-03-01), von Freyhold
patent: 3890228 (1975-06-01), Hwa et al.
patent: 4048066 (1977-09-01), Cuisia et al.
patent: 4118318 (1978-10-01), Welder et al.

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