Method for controlling silica deposition in aqueous systems

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

1991-01-03

1992-03-31

Willis, Jr., Prince

Liquid purification or separation

Processes

Preventing, decreasing, or delaying precipitation,...

210701, 252180, 252181, C02F 100

Patent

active

051005581

ABSTRACT:
A method for the inhibition of silica deposition on the surfaces of a structure which contains an aqueous medium comprising adding to the aqueous medium a composition comprising HEDP, PEG and a water soluble polymer having the structure: ##STR1## wherein M is a water soluble cation. This invention is particularly effective in cooling water and steam generating systems.

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Cooling-water treatment for control of scaling, fouling, corrosion, Strauss, Sheldon D., Power, Jun. 1984, pp. S.1-S.23.
Dubin, L. et al., Deposit Control in High Silica Water, Nalco Chemical Co., 1984.
Hansen, G. D. et al. The effect of soluble silica on cooling water program performance, Corrosion 86, pp. 400/1-400/25.

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