Process for decolorization of solutions
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United States of America Patent
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Aug 3, 1999
Grant Date -
N/A
app pub date -
Jul 17, 1997
filing date -
Nov 15, 1994
priority date (Note) -
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Abstract
The invention relates to a process for decolorization of solutions of sugars, sugar alcohols and betaine. In accordance with the process, a polyaluminium chloride is added to a solution of sugar, sugar alcohol or betaine having a dry substance content of 10 to 70% by weight and a temperature of 60 to 105.degree. C. in a suitable amount so as to obtain a mixture having a pH of 5.5 to 9.5, thereby precipitating the coloured substances, and the formed precipitate is separated from the solution. The invention also relates to the use of a polyaluminium chloride for decolorization of solutions of sugars, sugar alcohols and betaine.
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