Chemistry: electrical and wave energy – Processes and products – Electrostatic field or electrical discharge
Patent
1987-01-08
1988-09-06
Stoll, Robert L.
Chemistry: electrical and wave energy
Processes and products
Electrostatic field or electrical discharge
204115, 429 49, 75 78, 75120, 423 98, 423209, 423551, C22B 1300
Patent
active
047691166
ABSTRACT:
The invention relates to a hydrometallurgical process for the overall recovery of the components of exhausted lead-acid batteries, in a re-useable form, said components being mainly constituted by such materials as polypropylene, ebanite, PVC; by paste comprising lead sulphatized compounds; and by pure or alloyed metal lead, characterized in that it comprises the following steps:
REFERENCES:
patent: 2013813 (1932-05-01), Thomsen
patent: 2328089 (1943-08-01), Mulligan
patent: 3892563 (1975-07-01), LaPoint
patent: 4460442 (1984-07-01), Ducati
patent: 4637928 (1987-01-01), Zajac, Jr. et al.
Fracchia Pierluigi
Olper Marco
Engitec Impianti S.p.A.
Stoll Robert L.
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