Industry knowledge

Application Of Special Nut Shell Activated Carbon In Food Industry

Sucrose refining can be activated by activated carbon from fruit shells, which can be used for decolorization of syrup and then crystallized into white granulated sugar. On the one hand, fruit shell activated carbon can adsorb plant pigment from sugarcane, and also absorb the color (such as melanin and caramel) produced during the production process. Powdered activated carbon can be used for mass production and then thermal regeneration. Granular activated carbon is more suitable for processing raw materials of cane sugar because of its flexibility in process adjustment.

The fruit shell activated carbon has two functions as follows:

1. Purification of natural glycerin

Nut shell activated carbon can purify natural glycerol, which is produced by high pressure cracking and transfer of vinegar from cooking oil to fat or biodiesel. Refined Glycerin is used as food additive to prevent dry food cracking or prevent food changes caused by dry cracking. This characteristic can improve the softness of food and the chewing degree of cake and candy. Powdered activated carbon is used to remove organic impurities in glycerol, such as colored matter and some substances that cause abnormal taste.

2. Food Biochemistry

Fruit shell activated carbon and coconut shell activated carbon can adsorb sugar pigment, which is derived from citric acid, lactic acid and other biochemical foods. Powdered activated carbon can also be used to improve the efficiency of biochemical conversion during fermentation. For the final products of lactic acid and gluconate, ultra high purity activated carbon products can meet the most stringent cleaning requirements.

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