Smelting and reduction of oxidic and sulphated lead material

Details Smelting and reduction of oxidic and sulphated lead material Smelting and reduction of oxidic and sulphated lead material

1974-12-12

1977-04-12

Andrews, M. J.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

C22B 1300

Patent

active

040173089

ABSTRACT:
Processes are provided for the recovering of crude lead from materials containing lead substantially in the form of oxides and/or sulphates. The processes are carried out in a rotary converter with the rotation axis inclined to the plane of the vertical. In the process the materials containing lead are smelted and reduced while the furnace is rotated. Processes are also provided to separate and recover possible impurities of arsenic, antimony and tin.

REFERENCES:
patent: 1844428 (1932-02-01), Kohlmeyer
patent: 3243283 (1966-03-01), Lumsden
patent: 3756806 (1973-09-01), Hathorn
Boldt Jr., Winning of Nickel, TN490N6B6, Van Nostrand Co. Inc., 1972, p. 252.

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