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October 27, 2025ChemEngineeringOpen Access

Copper Recovery from Copper Sulfide Ore by Combined Method of Collectorless Flotation and Additive Roasting Followed by Acid Leaching

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Authors

BGBekhzod GayratovBGBobur GayratovLGLabone L. Godirilwe

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Overview

This analysis demonstrates 92% copper recovery from sulfide ore using collectorless flotation and hydrogen peroxide leaching.

Key Points

  • Collectorless flotation achieved 94.5% copper recovery, yielding a concentrate of 7.12% Cu from a starting grade of 0.94%.
  • Additive roasting of the concentrate improved leachability, enabling a 97% copper dissolution in further processing.
  • The method utilized hydrogen peroxide in a sulfuric acid leaching process, allowing for efficient extraction from chalcopyrite.
  • Combined techniques could redefine copper recovery practices, addressing limitations of traditional methods.

Cite This Study

Gayratov et al. (2025) studied this question.

synapsesocial.com/papers/68ff87e9c8c50a61f2bdd283https://doi.org/10.3390/chemengineering9060117
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