Use of acrylamide/acrylic acid copolymers for prevention of foul

Liquid purification or separation – Processes – Preventing – decreasing – or delaying precipitation,...

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252180, C02F 510

Patent

active

044315473

ABSTRACT:
A copolymer consisting of a 3:1 ratio of acrylamide to acrylic acid with a molecular weight of approximately 10,000 is very effective in preventing calcium phosphate fouling of heat transfer surfaces as found, for example, in cooling water.

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patent: 4008164 (1977-02-01), Watson et al.
patent: 4029577 (1977-06-01), Goldlewski et al.
patent: 4361492 (1982-11-01), Dubin

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