Hydrometallurgical method for recovering metal materials...

Details Hydrometallurgical method for recovering metal materials... Hydrometallurgical method for recovering metal materials...

H - Electricity

01

M

319/127, 53/340

H01M 10/54 (2006.01)

Patent

CA 1199502

- 1 - "HYDROMETALLURGICAL METHOD FOR RECOVERING METAL MATERIALS FROM SPENT LEAD-ACID STORAGE BATTERIES" ABSTRACT OF THE DISCLOSURE In the method the ground scraps are screened to separate the pole active material, i.e. Pb and PbO2, 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.

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