High intensity lead smelting process

Details High intensity lead smelting process High intensity lead smelting process

C - Chemistry, Metallurgy

22

B

53/333

C22B 13/02 (2006.01)

Patent

CA 1208444

ABSTRACT Lead is obtained from lead sulphide ores or concentrates without prior sintering or roasting by the steps of adding the lead sulphide to a molten slag, injecting sufficient oxide to below the surface of the molten slay and vigorously agitating the slag whereby substantially to oxidize the lead sulphides to lead oxides, and then reducing the lead oxides. The slag is preferably agitated by means of a lance. The reduction stage may follow the oxidation stage in the same vessel or may be conducted in another vessel. - 1 -

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