Inhibition of silica and silicate deposition in cooling water sy

Details Inhibition of silica and silicate deposition in cooling water sy Inhibition of silica and silicate deposition in cooling water sy

1991-07-12

1992-10-27

Hruskoci, Peter

Liquid purification or separation

Processes

Preventing, decreasing, or delaying precipitation,...

210701, 252180, 252181, 422 15, 422 17, 422 19, C02F 514

Patent

active

051586851

ABSTRACT:
A method inhibiting the deposition of silica and silicate compounds on the metallic surfaces of cooling water equipment comprising adding to the water a composition consisting of hydroxyphosphonoacetic acid and a polymer having the formula: ##STR1## wherein M is a water soluble cation. This composition may further comprise a molybdate compound.

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patent: 4783267 (1988-11-01), Boffardi et al.
patent: 4869845 (1989-09-01), Chen
patent: 4933090 (1990-06-01), Gill et al.
patent: 4973409 (1990-11-01), Cook
patent: 5034155 (1991-07-01), Soeder et al.
patent: 5078891 (1992-01-01), Sherwood et al.

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