Method of producing blister copper

Details Method of producing blister copper Method of producing blister copper

C - Chemistry, Metallurgy

22

B

53/279

C22B 15/06 (2006.01) C22B 15/00 (2006.01) C22B 15/04 (2006.01)

Patent

CA 1092832

A method of producing blister copper comprising smelting sulphidic copper raw material in a rotary furnace with an in- clined rotation axis, in presence of oxygen and slag formers charged simultaneously with the copper raw material. The method comprises interrupting the oxygen charge when at least 75% of the copper raw material has been charged and treating the obtained matte and slag with a reduction agent and then transferring the matte and the slag together to a holding furnace in which the matte and the slag are separated and transferring the matte in the holding furnace to a converter where it is converted to blister copper.

273581

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