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Zhengzhou Hoo Chemtec Co., Ltd
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Hoo-Chemtec - Model CAS 10043-01-3 -Aluminum Sulphate

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Aluminum sulfate is used in water treatment as a coagulant to remove impurities by causing suspended particles to clump together for easier filtration.

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  • Product name: Aluminium Sulphate or Aluminum Sulfate
  • CAS Number: 10043-01-3
  • EINECS NO.:233-135-0
  • HS.Code: 28332200
  • Molecular Formula: Al2(SO4)3
  • Purity (%): 15.8%-17%
  • Appearance: White or off-white powdered substance.
  • Packing: Bags, drums, or bulk containers

  • Water treatment (coagulant)
  • Paper industry (sizing agent, rosin control agent)
  • Wastewater treatment (phosphorus removal)
  • Dyeing and textile industry (mordant)
  • Tanning industry (pickling agent)
  • Fire extinguishers (dry chemical fire suppressant)
  • pH regulation in soil (acidification of alkaline soils)
  • Antiperspirants
  • Food industry (firming agent)
  • Wood preservation (insect and fungal decay protection)

  • Iterm: Data
  • AI203: >15.6%
  • Fe: <0.20%
  • Water Insoluble: <0.10%
  • PH Value: <3.0%
  • As: <0.0002%
  • Pb: <0.0006%
  • Cd: <0.0002%
  • Hg: <0.00002%
  • Cr: <0.0005%
  • Bauxite mining: Bauxite, the primary source of aluminium, is extracted from open-pit mines.
  • Bauxite processing: Bauxite is processed to extract alumina (aluminium oxide) using the Bayer process, which involves crushing the bauxite and treating it with sodium hydroxide at high temperatures.
  • Calcination: Alumina is heated at high temperatures to remove moisture and convert it into aluminium oxide.
  • Reacting with sulfuric acid: Aluminium oxide reacts with sulfuric acid to produce aluminium sulphate and water:
  • Al2O3 + 3H2SO4 → Al2(SO4)3 + 3H2O
  • Crystallization and drying: The resulting aluminium sulphate solution is cooled to allow the formation of solid crystals. The crystals are separated, washed, and dried to obtain the final aluminium sulphate product.
  • Granulation (optional): The dried aluminium sulphate crystals may undergo a granulation process to produce granules or pellets for easier handling.