Abstract
In technogenic formations, zinc is found in oxide and sulphide forms. Extraction of zinc oxide from technogenic formations is widely used in industry. Removing zinc sulfide from technogenic formations is difficult and is currently almost never used. In the present work, the physicochemical features of zinc extraction from technogenic formations, in which zinc is presented in oxide and sulphide forms, are considered. Thermodynamic features of the processes and possible ways to extract zinc sulphide are shown. This work also considers the ways of valuable commercial products obtaining from the roasting products.
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