Fast-dissolving, non-caking, food grade sodium tripolyphosphate

Details Fast-dissolving, non-caking, food grade sodium tripolyphosphate Fast-dissolving, non-caking, food grade sodium tripolyphosphate

C - Chemistry, Metallurgy

01

B

23/64

C01B 25/41 (2006.01)

Patent

CA 1288930

Abstract: FAST-DISSOLVING, NON-CAKING, FOOD GRADE SODIUM TRIPOLYPHOSPHATE A fast-dissolving, non-caking, food grade sodium tripolyphosphate is produced by spraying into a spray dryer an aqueous sodium orthophosphate feed liquor having an Na2O:P2Os ratio of from about 1.60 to about 1.67 containing potassium hydroxide or a soluble potassium salt in amounts to yield about 0.4% to 0.8% by weight potassium in the final product, heating the feed to at least 440°C to form sodium tripolyphos- phate, cooling the sodium tripolyphosphate and adding to it at least about 1% by weight moisture.

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