METHOD OF PROCESSING ZINC-CONTAINING MATERIALS Russian patent published in 2006 - IPC C22B19/00

Abstract RU 2283360 C1

FIELD: non-ferrous metallurgy; processing zinc-containing materials.

SUBSTANCE: proposed method includes preheating of starting material mixed with fluxing additives and treatment of preheated charge by plasma arc heat in DC furnace to temperature not below 1530°C at delivery of carbon-containing reductant in the amount of 0.18-0.2 of mass of zinc contained in starting material.

EFFECT: enhanced efficiency of process; obtaining metallic zinc at high degree of extraction.

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RU 2 283 360 C1

Authors

Grebenskoj Vladimir Aleksandrovich

Kovgan Pavel Avksent'Evich

Dates

2006-09-10—Published

2005-08-01—Filed