Chromatographic separation of sugars using blend of cation exchange resins
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United States of America Patent
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Sep 13, 2016
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Jul 7, 2016
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Aug 15, 2014
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Sep 5, 2013
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Abstract
A chromatographic method for separating a sugar from a sugar-containing liquid feed mixture by: contacting the liquid feed mixture with a stratum of cation exchange resin comprising a crosslinked copolymer matrix functionalized with sulfonic acid groups, and recovering a first product stream from the stratum that has a higher purity of the sugar than present in the liquid feed mixture. The method is characterized by the stratum of cation exchange resin including: i) at least 80 wt % of cation exchange resin including alkaline earth counter ions, and ii) at least 5 wt % of cation exchange resin including alkali earth counter ions.
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