Question

Extraction of copper from copper pyrite (CuFeS₂) involves(a) crushing followed by concentration of the ore by frothflotation(b) removal of iron as slag(c) self-reduction step to produce ‘blister copper’ following evolution of SO₂(d) refining of ‘blister copper’ by carbon reduction

Answer 1

Based on 20 years of experience in mineral processing industry, Yantai Group has been committed to the development and innovation of froth flotation, aiming at providing professional flotation device and comprehensive service, including from previous beneficiation test analysis, middle flotation process design and equipment selection, and later installation and debugging. Currently, Yantai Group has provided the advanced professional flotation system for many mineral processing projects at home and abroad

Answer 2

Answer: a b c

Explanation:

Extraction of copper from copper pyrite process the refining of blister copper is by electrolytic reduction and NOT by carbon reduction