Recovery of lead values

Details Recovery of lead values Recovery of lead values

1977-06-15

1979-01-23

Thomas, Earl C.

Chemistry: electrical and wave energy

Processes and products

204117, 423 98, 423494, C01G 2116, C25C 334

Patent

active

041359933

ABSTRACT:
Lead values may be recovered from lead bearing sources such as lead sulfide in improved purity. The improved purity is obtained by subjecting soluble lead halides formed by the halogenation of lead sulfide and brine leaching the chlorinated product prior to treatment with a reducing agent followed by filtration and further treatment with an oxidizing agent whereby impurities as represented by other metal values are removed.

REFERENCES:
patent: 984525 (1911-02-01), Barstow
patent: 1950000 (1934-03-01), Gamichon
patent: 2345214 (1944-03-01), Pechukas

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