Hydrometallurgical method for recovering metal materials from sp

Details Hydrometallurgical method for recovering metal materials from sp Hydrometallurgical method for recovering metal materials from sp

1982-08-16

1984-07-17

Doll, John

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

423 92, 423 98, 75101R, 75108, 75120, C25C 118

Patent

active

044604424

ABSTRACT:
In the method the ground scraps are screened to separate the pole active material, i.e. Pb and PbO.sub.2, as fines. This active material is then reacted in the presence of a strong alkaline solution to yield a minium precipitate.
Minium may be subsequently treated with an appropriate acid, such as fluoboric acid, freed of antimony by precipitating the latter with metal lead, and then subjected to electrolysis to recover lead.

REFERENCES:
patent: 1752356 (1930-04-01), Smith
patent: 2328089 (1943-08-01), Mulligan
patent: 3743501 (1971-08-01), Cusanelli
patent: 3892563 (1975-07-01), LaPoint
patent: 4107007 (1978-08-01), Gaumann et al.
patent: 4229271 (1980-10-01), Prengaman et al.

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