Method for producing low nickel matte through vulcanization of calcined sand

Method for producing low nickel matte through vulcanization of calcined sand

  • CN 102,703,684 A
  • Filed: 06/18/2012
  • Published: 10/03/2012
  • Est. Priority Date: 06/18/2012
  • Status: Active Application
First Claim
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1. the method that low nickel matte is produced in the calcining sulfuration is characterized in that, may further comprise the steps:

  • A) laterite-type nickel ore and reductive agent and first slag former is baking mixed, obtain calcining;

    B) with said calcining sulfuration, obtain the sulfur-bearing calcining;

    C) said sulfur-bearing calcining is carried out electrosmelting, obtains low nickel matte product and waste residue,Wherein, the mass percent of Ni is 5~

    20% in the said low nickel matte product, and the mass percent of Fe is 45~

    65%, and the mass percent of S is 20~

    50%.

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