Date of Award

6-3-1932

Degree Type

Bachelors Thesis

Degree Name

Bachelor of Science in Metallurgical Engineering

Department

Metallurgy

First Advisor

Doctor C. L. Wilson

Second Advisor

Professor J. U. MacEwan

Abstract

Sulphide ores of copper are insoluble in dilute sulphuric acid leaching solutions, but a very high extraction can be obtained if the copper ore is in the oxidized condition. The problem is to convert the sulphide into the oxide form. This can be done by giving the sulphide ore an oxidizing-sulphatizing roast. Copper sulphate is soluble in water, so acid will be saved in the leaching process if copper sulphate is present. The iron in the copper sulphide ores is present as pyrite, or in combinations as bornite, or chalcopyrite.

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