7631-90-5 Basic information More..
Product Name:Sodium bisulfite
Synonyms:SULFUROUS ACID MONOSODIUM SALT;SODIUM ACID SULFITE;SODIUM BISULFITE;SODIUM BISULFITE, META;monosodium sulfite;NATRII METABISULFIS;SODIUM SULFITE ANH;SODIUM HYDROSULPHITE (HYDROUS)
CAS:7631-90-5
MF:HNaO3S
MW:104.06
EINECS:231-548-0
Mol File:7631-90-5.mol
7631-90-5

Use

Add sodium sulphite mother liquor (containing NaHSO3 40%, Ph value of 3 to 4) slowly into soda ash to generate sodium sulfite solution (to the slurry Ph value of 7~8 for the end); transfer the above sodium sulfite solution into series reactors (2 to 3) to absorb the SO2 gas (10% to 13%) from the combustion of sulfur, forming sodium bisulfite (to the reaction temperature no longer rising for the end). In the reaction process, a large number of crystals precipitate out, which is centrifuged to obtain the wet goods with moisture content of 6% to 10%, and then dehydrated by air drying at 250 to 300 C to make the final products. 2NaHSO3 + Na2CO3 2Na2SO3 + H2O + CO2 NaSO3+H2O2NaHSO3 Absorb sulfur dioxide from the gas of sulfuric acid production with soda ash solution to generate sodium bisulfite. After further centrifugal separation and air drying at 250~300 C, the final sodium bisulfite is obtained. Na2CO3 + 2SO2 + H2O 2NaHSO3 + CO2

Sodium bisulfite manufacturers

  • Sodium Bisulphite
  • US $10.00 / kg
  • 2024-09-19
  • CAS:7631-90-5
  • Min. Order: 1kg
  • Purity: 98%
  • Supply Ability: 10 ton
  • Sodium Bisulfite
  • US $350.00-315.00 / ton
  • 2024-09-06
  • CAS:7631-90-5
  • Min. Order: 10ton
  • Purity: 28321000
  • Supply Ability: 100,000 ton per month
  • Sodium Bisulfite
  • US $350.00-315.00 / ton
  • 2024-09-06
  • CAS:7631-90-5
  • Min. Order: 10ton
  • Purity: 28321000
  • Supply Ability: 100,000 ton per month
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Products Intro: Product Name:40% Liquid of Sodium bisulfite
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