• Prepare a certain concentration of hydrochloric acid;
  • Hydrochloric acid reacts with aluminum hydroxide under pressure to produce aluminum chloride;
  • Dilution cooling；
  • The reaction of aluminum chloride with calcium aluminate；
  • Formation of poly aluminum chloride solution；
  • Solid-liquid separation by filtration；
  • Solid products were obtained by spray drying;
  • Inspection, packaging, and warehousing.