Sorbitol

Last update 2017-06-23

Process of sorbitol

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(1) Blending: Heat the 50~55% high purity glucose solution and adjust the pH value by adding alkali.

(2) Hydrogenation: pump the glucose solution to the high pressure reactor, and inject a certain amount of hydrogen to achieve the conversion of glucose to sorbitol by maintaining a certain temperature, pressure and time.

(3) Precipitation: After the reaction finished, transport the reaction liquid to the precipitation tank to make the catalyst separate from the sorbitol solution.

(4) Filtration: After precipitation, the sorbitol solution needs to be filtered to remove the residual catalyst.

(5) Decolorization: Remove the colored substances in sorbitol solution.

(6) Ion exchange: Remove the salt and organic existing in the sorbitol solution by the ion exchange resin to improve the quality of the product.

(7) Evaporation: Increase the concentration of sorbitol solution by evaporation to meet the concentrate requirement of product. 


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