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WDC's professional staff have many years process engineering experience which includes: |
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All unit operations in copper sulfide ore treatment |
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Lead and zinc sulfide concentration |
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Copper dump, heap and in situ leaching, with metal recovery by solvent extraction and electrowinning |
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Gold and silver heap leaching, metal recovery and refining |
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Milling of oxide and sulfide gold ores with C.I.P. and C.I.L., autoclaving and roasting |
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Outokumpu and Inco flash smelting, ISASmelt, electric furnaces and other pyro-metallurgical processes for copper concentrates |
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Zinc smelting and refining |
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Refractory lining design, application, and trouble-shooting |
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Alumina refining, monohydrate and trihydrate bauxite ores, red mud disposal, and aluminum smelting |
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Molybdenum flotation and molybdenite concentrate leaching, autoclaving and roasting |
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Vanadium metallurgy |
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Processing of secondary materials such as residues, scrap, batteries, and catalysts |
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Industrial mineral processing for fluorspar, clay, feldspar, sand/gravel, limestone/ lime, barite and boron and granite aggregate |
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Hydrometallurgical processing of non-ferrous concentrates |
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Roasting and autoclaving |
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Refractory gold ores |
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Complex base and precious metals ore |
Services
Include:
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Mine Engineering - Underground Mining |
Environmental
Engineering |
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Winters, Dorsey & Company, LLC
Mining and Metallurgical Industry Engineers
5151 East Broadway - Suite 1506
Tucson, Arizona USA 85711
Phone: 520-722-5600
Fax: 520-722-5623
