METHOD OF STORAGE BATTERY SCRAP Russian patent published in 2001 - IPC

Abstract RU 2172353 C1

FIELD: nonferrous metallurgy; technology of lead production from storage battery scrap. SUBSTANCE: method includes leaching, filtration and subsequent separation of lead b electrolysis. Metal and sulfate- oxide fraction of scrap are leached with solution of ammonium hydroxide. Cake is dried at temperature of 280-300 C and melted at 700-720 C in carbonate-chloride electrolyte with reducing agent. EFFECT: provided integrated processing of lead storage battery scrap, production of lead-antimony alloy and lead in one apparatus, simplified process. 2 dwg, 2 ex

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RU 2 172 353 C1

Authors

Mel'Nikov Ju.T.

Kuznetsov N.A.

Dates

2001-08-20Published

2000-04-10Filed