Method for decomposing metal sulphate

Method for decomposing metal sulphate

  • CN 101,309,858 A
  • Filed: 11/10/2006
  • Published: 11/19/2008
  • Est. Priority Date: 11/18/2005
  • Status: Active Application
First Claim
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1. , a kind of method that is used for the residue that metallurgical industry produces is resolved into oxide compound, described residue comprises at least a metal sulfate, the decomposition that it is characterized in that this metal sulfate is carried out in fluidized bed furnace, thus from the iron sulfide acquisition sulphate decomposition required energy of roasting as heating siege material, decomposition is carried out under oxidizing condition so that form be substantially free of sulfur oxide for utilizing again in Iron And Steel Industry, and the sulfurous gas of generation is used for sulphur and/or vitriolic manufacturing.

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