Method of preparing granulated sugar from an aqueous sugar...

Details Method of preparing granulated sugar from an aqueous sugar... Method of preparing granulated sugar from an aqueous sugar...

2008-03-04

2008-03-04

Brunsman, David M (Department: 1755)

Sugar, starch, and carbohydrates

Processes

Carbohydrate manufacture and refining

Reexamination Certificate

active

10526825

ABSTRACT:
A purification method employs nanofiltration of an aqueous solution containing one or several sugars, multivalent cations, monovalent metal cations, monovalent anions and multivalent inorganic anions and/or organic acid anions. The method includes replacement of at least a part of said multivalent cations and/or said multivalent inorganic anions and organic acid anions respectively by monovalent metal cations and/or monovalent anions to produce a solution. Nanofiltration of the solution is carried out to obtain a retentate, and at least part of the retentate is subject to crystallization.

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patent: WO 99/04903 (1999-02-01), None

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