METHOD OF PROCESSING FUSION CAKES OF LEAD ALKALI PURIFICATION Russian patent published in 1998 - IPC

Abstract RU 2123536 C1

FIELD: metallurgy, processing of dry fusion cakes in purification of lead from antimony, tin and arsenic, and in some from calcium, magnesium and zinc. SUBSTANCE: fusion cake of lead alkali purification are melted with solid reducing agent and quartz flux in ratio of SiO₂:Na₂O=(1.0-2.0):1 and carbon consumption in solid reducing agent of 3.5-5.2%. In processing of fusion cakes containing oxides of zinc, calcium and magnesium, smelting is carried out with ratio of Na₂O:(Zn+CaO+MgO)=1.4 and above. EFFECT: higher efficiency. 2 cl, 1 tbl

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RU 2 123 536 C1

Authors

Sharuda A.N.

Makarov E.F.

Kalnin E.I.

Pakhomov L.V.

Dates

1998-12-20—Published

1997-08-20—Filed