Method for controlling silica/silicate deposition in aqueous sys

Details Method for controlling silica/silicate deposition in aqueous sys Method for controlling silica/silicate deposition in aqueous sys

1988-12-28

1990-06-12

Hruskoci, Peter

Liquid purification or separation

Processes

Preventing, decreasing, or delaying precipitation,...

210701, 252180, C02F 514

Patent

active

049330900

ABSTRACT:
This invention is directed to a method for controlling the formation of silica/silicate deposits in aqueous systems by adding an effective amount, preferably at least 0.1 ppm, of a designated phosphonate and, optionally, a carboxylic/sulfonic polymer or salt thereof to the aqueous system being treated. Borate or molybdate ion sources may also be added.

REFERENCES:
patent: 4217216 (1980-08-01), Lipinski
patent: 4328106 (1982-05-01), Harrar et al.
patent: 4497713 (1985-02-01), Geiger
patent: 4510059 (1985-04-01), Amjad et al.
patent: 4532047 (1985-07-01), Dubin
patent: 4618448 (1986-10-01), Cha et al.
patent: 4640793 (1987-02-01), Persinski et al.

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