Process for decolorizing aqueous sugar solution
AssigneeThe Dow Chemical Company
InventorRex R. Stevens
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Abstract
Improved process for decolorizing aqueous sugar solutions by contacting solution with an adsorbent anion exchange resin prepared by aminating a macroporous, chloromethylated copolymer with a polyamine under conditions sufficient to promote crosslinking of unreacted amine sites with chloromethyl groups on the copolymer.
Claims20
An improved process for decolorizing an aqueous sugar solution by contacting the solution with an anion exchange resin, the improvement comprising using an adsorbent anion exchange resin prepared by aminating a macroporous, chloromethylated copolymer with a polyamine with amine groups selected from primary and secondary amine groups and a combination thereof under conditions sufficient to promote crosslinking of unreacted amine sites with chloromethyl groups on the copolymer.
Dependencies are inferred from the claim text.