Process for diluting aqueous polymer solutions

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

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422901, 524424, C02F 508

Patent

active

045170975

ABSTRACT:
A process for preventing, or at least substantially reducing, scaling in an aqueous polymer dilution apparatus by injecting carbon dioxide gas into the solution to maintain the pH of the solution in a range which tends to hold scale forming substances in solution.

REFERENCES:
patent: 2182286 (1939-12-01), Doennecke et al.
patent: 2766203 (1956-10-01), Brown et al.
patent: 3218241 (1965-11-01), Checkovich
patent: 4320215 (1982-03-01), Yonezawa et al.
patent: 4402916 (1983-09-01), Luetzelschwab

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