Application of Sodium Metabisulfite

1. Food processing: Sodium metabisulfite can be used as a preservative and bleaching agent in food processing, such as in the production of wine, fruit wine, beverages, and canned foods. In addition, it can also be used to prevent discoloration of some foods during storage.

2. Seafood processing: Sodium metabisulfite can be used for seafood processing, such as shrimp, crab, etc..

3. Chemical industry: Sodium metabisulfite is mainly used in chemical industry to produce chemicals such as sodium hydrosulfite, sulfamethoxazole, analgin, and caprolactam. In addition, it can also serve as a purifying agent for chloroform, phenylpropylsulfone, and benzaldehyde.

4. Photography industry: Sodium metabisulfite can be used as an ingredient in the fixing agent in the photography industry to improve the clarity and brightness of photos.

5. Spice industry: Sodium metabisulfite can be used as a raw material for the production of vanillin in the spice industry.

6. Rubber industry: Sodium metabisulfite can be used as a coagulant and a dechlorination agent after bleaching cotton cloth in the rubber industry.

7. Denim Industry: Sodium metabisulfite can be used for jeans washing in denim industry.

8. Wastewater treatment and mineral processing: Sodium metabisulfite can be used as a reducing agent in wastewater treatment and mineral processing, as well as a mineral processing agent in mines.

9. Medical and pharmaceutical: Sodium metabisulfite can be used to produce some drugs, such as sulfamethoxine, analgin, etc.

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