Scale inhibition in water systems

Details Scale inhibition in water systems Scale inhibition in water systems

1984-08-06

1986-01-28

Hruskoci, Peter

Liquid purification or separation

Processes

Preventing, decreasing, or delaying precipitation,...

203 7, 252 855B, 252180, 426271, C02F 512

Patent

active

045669732

ABSTRACT:
In a preferred embodiment, this invention relates to a method for inhibiting formation of phosphate scale in water systems by the addition of a threshold amount of a water-soluble copolymer of 40 to 95 weight parts of an acrylic acid with 5 to 60 parts of a substituted acrylamide, based on a total of 100 parts of polymerized monomers.

REFERENCES:
patent: 3085916 (1963-04-01), Zimmie et al.
patent: 3285886 (1966-11-01), Gunderson et al.
patent: 3463730 (1969-08-01), Booth et al.
patent: 4026815 (1977-05-01), Kallfass et al.
patent: 4389324 (1983-06-01), Keller
patent: 4432884 (1984-02-01), Kawasaki et al.

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