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US 4,081,288 AGranted
Sugar clarifying composition
AssigneeFabcon International, Inc.
InventorJulio C. Torres
Life of this patent
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Abstract
An improved process in the production of sugar is provided by adding to a sugar solution prior to crystallization calcium acid phosphate, followed by the addition of soda ash. Optionally, in a third step sodium hydrosulfite is added. The resulting sugar is of a high grade, being light colored and substantially free of impurities.
Claims12
In a process for the preparation of purified cane sugar including the steps of:
- (1) liming by adding lime to cane sugar juice to raise the pH to above about 7;
- (2) heating the cane sugar juice;
- (3) separating precipitates in a clarifier to provide a clarified cane sugar juice;
- (4) evaporating said cane sugar juice in one or more evaporators to obtain a concentrated syrup;
- (5) agitating said concentrated syrup from the resulting foam and residue;
- (6) further evaporating said purified concentrated syrup in vacuum pans to obtain at least a saturated syrup;
- and
- (7) crystallizing sugar from said saturated syrup in crystallizing pans to obtain massecuite;
- the improvement which comprises:
- adding to a cane sugar solution prior to crystallization of said sugar, a composition (A) and a composition (B), wherein:
- A is comprised of
- ______________________________________ Ingredient Weight Percent ______________________________________ CaHPO.sub.4 . 2H.sub.2 O 10-100 Al.sub.[1]2 (SO.sub.4).sub.3 0-40 Kaolin 0-40 Na.sub.3 PO.sub.4 .H.sub.2 O 0-90 Na polyacrylamide 0-5 ______________________________________
- and B is comprised of
- ______________________________________ Ingredient Weight Percent ______________________________________ Na.sub.2 CO.sub.3 10-100 NaOH 0-80 CaO 0-80 MgO 0-40 ______________________________________
- wherein composition (A) is added in an amount to provide 1-500ppm and composition (B) is added in an amount to provide 2-200ppm;
- and obtaining a highly purified cane sugar.
13 more elements
Dependencies are inferred from the claim text.