Recovery of lead and others metals from smelter flue dusts
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United States of America Patent
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Oct 5, 1999
Grant Date -
N/A
app pub date -
Oct 1, 1997
filing date -
Oct 1, 1997
priority date (Note) -
Expired
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Abstract
The present invention is concerned with a process for extracting and recovering lead or lead derivatives in high purity from various materials containing lead sulphate, and particularly copper smelter flue dusts. The present process also allows the substantially complete recovery or recycling of precious metals otherwise lost in flue dusts wastes.
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