Scale-inhibiting process

Details Scale-inhibiting process Scale-inhibiting process

1985-12-02

1987-11-03

Hruskoci, Peter

Liquid purification or separation

Processes

Preventing, decreasing, or delaying precipitation,...

210701, 252180, C02F 512

Patent

active

047042087

ABSTRACT:
The scale-inhibiting agent used is a combination with a synergistic effect of at least 50% by weight of salified polymers of ethylenic acids, chosen from polymaleates, polyacrylates, polymethacrylates, maleateacrylate copolymers, acrylate-methacrylate copolymers, acrylate-methacrylate-itaconate terpolymers, and mixtures of these substances, and at most 50 wt. % aliphatic polyamines with the formula

REFERENCES:
patent: 3591513 (1971-07-01), Tate
patent: 4062796 (1977-12-01), Gardner et al.
patent: 4085060 (1978-04-01), Vassileff
"TUV Guidelines for Testing Scale-Inhibiting Agents", Sep. 1973.

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