Direct extraction of copper from copper sulfide minerals using deep eutectic solvents

@article{Anggara2019DirectEO,
  title={Direct extraction of copper from copper sulfide minerals using deep eutectic solvents},
  author={Syahrie Anggara and Francesca Bevan and Robert C. Harris and Jennifer M. Hartley and Gero Frisch and Gawen R. T. Jenkin and Andrew P. Abbott},
  journal={Green Chemistry},
  year={2019}
}
Copper can be extracted from the main copper mineral, chalcopyrite, without the formation of hydrogen sulfide or sulfur dioxide. 
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29 Citations

A Unified Method for the Recovery of Metals from Chalcogenides
Metal chalcogenides are ubiquitous starting materials for the extraction of metals from both primary and secondary sources. In this study, it is shown that chalcogenide compounds are electrochemica...
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The [P44414]Cl + CH3COOH system was applied to the treatment of real waste, NiMH battery black mass, being shown that it allows an efficient separation of Co(II) from Ni(II), Fe(III) and the lanthanides in a single leaching and separation step.
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References

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TLDR
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