Recovery of lead from batteries

Details Recovery of lead from batteries Recovery of lead from batteries

1976-11-26

1977-11-15

Andrews, M. J.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

204 66, C22B 1300

Patent

active

040583961

ABSTRACT:
Lead is recovered from batteries by contacting comminuted batteries with a molten alkali metal salt, reducing lead compounds to lead, separating molten lead from the molten salt, and transferring the molten salt and char to a combustion zone, where the salt is reheated to the desired temperature and recycled for contacting with the batteries. A portion of the alkali metal salt is withdrawn and purified, so as to maintain a relatively constant composition of the alkali metal salt.

REFERENCES:
patent: 1804054 (1931-05-01), Hayward
patent: 3777012 (1973-12-01), Veloso
patent: 3940265 (1976-02-01), Wilson

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