C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
134/39
C02F 5/14 (2006.01) C02F 5/12 (2006.01)
Patent
CA 2015939
C-1456 TITLE OF THE INVENTION "METHOD FOR CONTROLLING SILICA/ SILICATE DEPOSITION IN AQUEOUS SYSTEMS USING PHOSPHONATES AND CARBOXYLIC/SULFONIC POLYMERS" ABSTRACT OF THE INVENTION 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.
Gill Jasbir S.
Rey Susan P.
Wiernik John H.
Calgon Corporation
Gill Jasbir S.
Goudreau Gage Dubuc
Rey Susan P.
Wiernik John H.
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