Hydrometallurgic method for processing raw materials containing zinc sulphide
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United States of America Patent
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Jun 9, 1992
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N/A
app pub date -
Feb 13, 1991
filing date -
Feb 16, 1990
priority date (Note) -
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Abstract
The invention relates to a method for recovering various valuable materials in connection with the hydrometallurgical production of zinc. The method is particularly suited for feeding different types of raw materials into the various stages of a process carried out in atmospheric conditions. Valuable materials such as lead, silver and gold are recovered by means of the said method.
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