Pyrometalurgical smelting of lead and copper

Details Pyrometalurgical smelting of lead and copper Pyrometalurgical smelting of lead and copper

1979-05-17

1981-04-14

Andrews, M. J.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75 72, 75 77, C22C 908

Patent

active

042617430

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.

REFERENCES:
patent: 3482965 (1969-12-01), Milner
patent: 3666441 (1972-05-01), Milner

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