Ion Exchange Sugar Decolorization Resin

The usual process of cane sugar is extraction, purification, evaporation, concentration, crystallization, separation, drying, and finished product. However, such sugars tend to have high levels of impurities, and the color and taste are not ideal. The color value is an important index of the...
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The usual process of cane sugar is extraction, purification, evaporation, concentration, crystallization, separation, drying, and finished product. However, such sugars tend to have high levels of impurities, and the color and taste are not ideal.


The color value is an important index of the quality of sugar. Ion exchange resins used in the sugar industry as decolorizers are of the strong-base anionic type, with quaternary amine functional groups. They are operated in the chloride form.

Lanlang has two kinds of sucrose sugar decolorization resin, styrene matrix and acrylic matrix available which differ by their hydrophobicity:

polystyrenic with divinylbenzene crosslinks, resulting in a hydrophobic matrix, or a polyacrylic with divinylbenzene crosslinks which results in a more hydrophilic matrix.

Some refineries, for the major decolorization, use only one resin type, acrylic or styrenic. Others employ an acrylic resin followed by a styrenic resin for polishing.

The acrylic resin removes large molecular weight colored compounds which tend to foul the styrenic resin, providing good protection to the polishing resin.

Acrylic resins have a slightly lower selectivity for sugar colorants but, unlike polystyrenic resins, they can be completely regenerated with sodium chloride solutions.


If any questions about sugar decolorization resin, feel free to get in touch with Lanlang to get free samples for test.

sugar decolorization resin

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