Title: Recovery of lead from battery scrap

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.

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Inventors: Wilson, Donald A. (Silver Spring, MD, US)

Application Number: 589999
Filing Date: 1975-06-25
Publication_date: 1976-02-24
Assignee: The United States of America as represented by the Secretary of the (Washington, DC)
Primary Class(es): 75/432
Other Classes:
US Patent Ref:

3689253

Sep, 1972

Dorenfeld et al.

75/77.

Other Refs:
Primary Examiner: Andrews, M. J.
Assistant Examiner:
Attorney: Brown; William S., Fraser; Donald R.