Liquid purification or separation – Processes – Preventing – decreasing – or delaying precipitation,...
Patent
1982-08-25
1984-07-17
Hruskoci, Peter A.
Liquid purification or separation
Processes
Preventing, decreasing, or delaying precipitation,...
252180, C02F 510
Patent
active
044604777
ABSTRACT:
The instant invention is directed to a method of inhibiting the precipitation and deposition of scale in an aqueous system comprising adding an effective amount, preferably at least 0.1 ppm, of a carboxylic functional polyampholyte, or the salt thereof, to said aqueous system.
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patent: 4209398 (1980-06-01), Ii et al.
patent: 4271058 (1981-06-01), Trabitzsch et al.
patent: 4357207 (1982-11-01), Yorkei
Costello Christine A.
Matz Gary F.
Calgon Corporation
Hruskoci Peter A.
Olson R. Brent
Sudol, Jr. Michael C.
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