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Productio processus est #sodiumsulfite

Tempus: 2021, 04 30, hits: 2

Sulfur and air are incinerated to generate SO2 gas.

The SO2 gas reacts with a certain concentration of soda ash to generate sodium bisulfite.

Sodium bisulfite and caustic soda are neutralized to obtain #sodiumsulfite solution.

After concentration and centrifugation, a wet solid of #sodiumsulfite is obtained and dried. Then get the finished sodium sulfite
The reaction formula is as follows:
SO2 + Na2CO3+H20= NaHSO3
NaHSO3+NaOH= Na2SO3 +H20

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