Question

In electrorefining of blister copper, the electrolyte used is...

5-10% CuSO4 and 15% H2SO4
15% CuSO4 and 5-10% H2SO4
5% H2SO4 and 5% CuSO4
20% CuSO4 and 15% H2SO4​

Answer 1

Answer:

15cuso4 and 5-10 h2so4

Explanation:

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Answer 2

Answer:

15% CuSO4 and 5-10% H2SO4

The objective of this research is to characterise aqueous sulfuric acid-copper sulphate solutions electrodialysis (ED). It is also studied whether contaminants such As and Sb, typical of copper electrorefining electrolytes, are present. We describe the findings of kinetic experiments performed in ED cells with and without recirculation. Temperatures were 22 and 44°C; the concentrations were 3-9 g/l copper, 50 g/l sulfuric acid, 3 g/l arsenic, and 0.025 g/l antimony; the transport rates varied depending on the experimental circumstances and were 0.2-0.6 g/l copper, 0.65 g/l sulphate, and 0.016-0.03 g/l arsenic. In order to analyse the experimental findings and assess the effectiveness of the examined cells, a speciation model was created and put to use. The major finding is that ED can be used for concentration and separation.

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