Recovery of lead from battery scrap

Details Recovery of lead from battery scrap Recovery of lead from battery scrap

1975-06-25

1976-02-24

Andrews, M. J.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

C22B 1300

Patent

active

039402657

ABSTRACT:
Lead is recovered from battery scrap by means of a process comprising (1) reacting the scrap with a slurry of calcium hydroxide to form a product comprising PbO and CaSO.sub.4.2H.sub.2 O, (2) filtering and drying the reaction product and (3) reacting the product with a mixture of carbon and a KCl-NaCl flux at elevated temperature to flux the calcium sulfate and reduce the lead oxide to metallic lead.

REFERENCES:
patent: 3689253 (1972-09-01), Dorenfeld et al.

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