Pyrometalurgical smelting of lead and copper
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United States of America Patent
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-
Apr 14, 1981
Grant Date -
N/A
app pub date -
May 17, 1979
filing date -
May 31, 1978
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of smelting an oxide charge containing lead and copper in a blast furnace, wherein molten lead bullion flowing to the furnace bottom and containing at least 8% by weight of copper is diluted with metallic lead of lower copper content in the furnace shaft, or in the hearth at the bottom of the furnace, or in a forehearth into which furnace products are passed from the furnace, or in a transfer ladle into which lead bullion passes from the forehearth.
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