Method for desulfation of battery mud

Details Method for desulfation of battery mud Method for desulfation of battery mud

1978-10-10

1981-05-26

Vertiz, O. R.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group iva metal

C01G 2100, C01G 2112, C01G 2114

Patent

active

042698103

ABSTRACT:
In connection with the recycling of lead-acid batteries, battery muds are desulfated by adding an aqueous solution of a treating agent comprising soluble alkali metal salts or alkali metal hydroxides to crushed battery components. The treating agent reacts with sulfuric acid and lead sulfate to form an aqueous solution of alkali metal sulfates and precipitated lead compounds. Following separation of the reacted battery mud and other crushed battery components, separation of the soluble alkali metal sulfates and solids such as PbO, PbO.sub.2, and precipitated lead compounds is effected.

REFERENCES:
patent: 1587623 (1926-06-01), Zuckerman
patent: 3892563 (1975-07-01), La Point
Handbook of Chemistry and Physics, Forty-Third Edition, Published by The Chemical Rubber Publishing Co., (1961), p. 2080.

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