Method of controlling silica deposition in aqueous systems

Details Method of controlling silica deposition in aqueous systems Method of controlling silica deposition in aqueous systems

1990-03-08

1992-01-07

Willis, Jr., Prince

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

210700, 252180, 252181, 422 15, C02F 100, C02F 510

Patent

active

050788914

ABSTRACT:
A method for the inhibition of silica deposition on the internal surfaces of an aqueous system comprising adding to the aqueous system a phosphonate compound and a water soluble polymer having the structure: ##STR1## wherein M is a water soluble cation. The aqueous systems in which the water soluble phosphonate and polymer are particularly effective on cooling water and boiler systems.

REFERENCES:
patent: 3578589 (1971-05-01), Hwa et al.
patent: 3948792 (1976-04-01), Watson et al.
patent: 4497713 (1985-02-01), Geiger
patent: 4618448 (1986-10-01), Cha et al.
patent: 4659481 (1987-04-01), Chen
patent: 4732698 (1988-03-01), Chen
patent: 4869845 (1989-09-01), Chen
patent: 4900451 (1990-02-01), Brown et al.

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