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Product Uses. Sodium bisulfite solution is used in many industries; for example, in the treatment of waste water, in the pulp and paper industry, in the photographic industry and in various other industries as a bleach or dechlorinator. Sodium bisulfite solution can also be used in the manufacture of other chemicals. E222 (food industry). Product Overview. Sodium bisulfite solution is a variously colored liquid at room temperature. It is used in waste water treatment, in the pulp and paper industry, in the photographic industry and in various other industries as a bleach or dechlorinator.
Sodium bisulfite (sodium hydrogen sulfite) is a chemical compound with the chemical formula NaHSO 3. Sodium bisulfite is a food additive with E number E222. This salt of bisulfite can be prepared by bubbling sulfur dioxide in a solution of sodium carbonate in water.n the case of wine making, sodium bisulfite releases sulfur dioxide gas when added to water or products containing water. The sulfur dioxide kills yeasts, fungi, and bacteria in the grape juice before fermentation. When the sulfur dioxide levels have subsided (about 24 hours), fresh yeast is added for fermentation.