Method for controlling calcium carbonate scaling in high pH aque

Details Method for controlling calcium carbonate scaling in high pH aque Method for controlling calcium carbonate scaling in high pH aque

1990-11-16

1992-06-23

Wyse, Thomas

Liquid purification or separation

Processes

Preventing, decreasing, or delaying precipitation,...

210701, 252180, C02F 514

Patent

active

051240467

ABSTRACT:
Compositions containing a water soluble carboxylic/sulfonic/polyoxyalkylene terpolymer and a water soluble phosphonate effectively control calcium carbonate scaling in aqueous systems under severe pH, alkalinity, calcite saturation and/or temperature conditions.

REFERENCES:
patent: 3928196 (1975-12-01), Persinski et al.
patent: 4536292 (1985-08-01), Matz
patent: 4618448 (1986-10-01), Cha et al.
patent: 4634532 (1987-01-01), Logan et al.
patent: 4640793 (1987-02-01), Persinski et al.
patent: 4680135 (1987-07-01), Cha et al.
patent: 4933090 (1990-06-01), Gill et al.
patent: 5078879 (1992-01-01), Gill et al.

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