Process for Producing High-Purity Sucrose
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United States of America Patent
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Issued Date -
Jun 24, 2010
app pub date -
Dec 20, 2008
filing date -
Dec 20, 2008
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Abandoned
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Abstract
Improved processes for the purification of raw or refined sugar, or sucrose, to produce sucrose and sucrose-related products having substantially no inorganic impurities are described, wherein the processes include the use of both cation and anion exchange resins. In accordance with the process, a sucrose starting material, such as refined sugar or invert syrup, is dissolved in water at a temperature sufficient to dissolve the sucrose product and produce a low visicosity sucrose solution having not more than about 76 wt. % solids. Thereafter, the process includes contacting the low viscosity sucrose solution with one or more ion exchange resin beds, which can be separate or mixed, for a time sufficient to yield a highly-purified sucrose product that is substantially free of inorganic elemental impurities.
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