Method for controlling scale formation and deposition

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

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210701, 252180, C02E 510

Patent

active

055186300

ABSTRACT:
A method and composition for controlling the formation and deposition of scale imparting compounds in an aqueous system is disclosed. A treatment comprising a sulfonated polymer and a polymaleic acid is effective in controlling the formation and deposition of such compounds.

REFERENCES:
patent: 3898037 (1975-08-01), Lange et al.
patent: 4303568 (1981-12-01), May et al.
patent: 4618448 (1986-10-01), Cha et al.
patent: 4659481 (1987-04-01), Chen
patent: 4936987 (1990-06-01), Persinski et al.
patent: 4978456 (1990-12-01), Sprague

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