Method for upgrading copper concentrate

Method for upgrading copper concentrate

  • CN 101,796,204 B
  • Filed: 09/03/2008
  • Issued: 06/18/2014
  • Est. Priority Date: 09/07/2007
  • Status: Active Grant
First Claim
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1. pair promote to a higher rank to make described enriched material be suitable for pyrometallurgy and reclaim the method for copper containing the cupric sulfide enriched material of zinc, the method realizes by remove dezincify from described enriched material, be characterised in that, at barometric point and temperature, first under oxidizing condition, utilize vitriolated solution to carry out lixiviate to described enriched material and from described enriched material except dezincify;

  • Before described lixiviate finishes, the copper to leaching stages supply reductive agent with resolution of precipitate.

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