Control of scale in sugar evaporation equipment
AssigneeCalgon Corporation
InventorsPaul H. Ralston, Sandra L. Whitney, Jerry L. Walker
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Abstract
The instant invention is directed to a method for preventing the formation of scale in sugar evaporation equipment comprising adding to the juice from 0.1 to 200 ppm of a polycarboxylic acid or its salt selected from the group consisting of polymaleic acid, amine adducts of maleic anhydride polymers, phosphonobutane tri-carboxylic acid, phosphinocarboxylic acids and copolymers of acrylic acid and an hydroxylated lower alkyl acrylate.
Claims8
A method for preventing the formation of calcium phosphate and calcium hydroxide scale in sugar juice evaporation equipment comprising adding to the juice from about 0.1 to about 200 ppm of a polycarboxylic acid or its salt selected from the group consisting of polymaleic acid or amine adducts of maleic anhydride polymers, phosphonobutane tri-carboxylic acid, phophinocarboxylic acids and copolymers of an acrylic acid and an hydroxylated lower alkyl acrylate.
Dependencies are inferred from the claim text.