Sodium metabisulfite, Rui Desheng chemicals, feed-grade sodium metabisulfite provided by 瑞德胜 chemical. Sodium metabisulfite _ Rui Desheng Chemical _ metabisulfite use is Rui Desheng Chemical Co., Ltd. Weifang (www.ruidesheng.com) 2014 upgrade been newly launched production process: sodium metabisulfite production process route has two kinds of dry and wet. (1) dry. Soda and water will be at a certain molar ratio Stir be generated Na2CO3.nH2O was massive when placed in the reactor to maintain a certain gap between the blocks and then pass into the role of SO2 sodium metabisulfite, sodium metabisulfite until the end of the reaction quote Remove lumps feed grade sodium metabisulfite, crushed finished. (2) a wet method. In the solution of sodium hydrogen sulfite in the added amount of soda ash, sodium sulfite to generate a suspension, and then pass into SO2, which generates crystalline sodium metabisulfite sodium metabisulfite, centrifugal separation, drying derived products. Weifang Rui Desheng Chemical Co., sodium metabisulfite is a food additive, as a preservative, bleach, bulking agent in food processing. When used as a bleaching agent, fumigation only, can not be used in direct contact with other objects immersion bleaching method.