Method of extracting metals from spent electric storage batterie

Details Method of extracting metals from spent electric storage batterie Method of extracting metals from spent electric storage batterie

1976-09-29

1978-07-04

Andrews, R. L.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

204117, C25B 100, C25F 500, C25C 118

Patent

active

040986586

ABSTRACT:
Metals are recovered from the electrodes and connections of spent electric storage batteries by the step of: (a) recharging the spent electric batteries; (b) removing the electrolyte from said recharged electric batteries; (c) removing the bottom of said recharged batteries from which the electrolyte has been removed; (d) washing the electrodes and inside and outside the bottomless batteries obtained in step (c) with water; (e) drying the batteries washed in step (d) and closing the openings in the top of the dry batteries; (f) connecting the positive terminal of a power supply to the negative pole of the batteries obtained according to step (e) with protection against contact between electrolyte and the negative pole; and (g) immersing the batteries obtained according to step (f) in an electrolyte.

REFERENCES:
patent: 3985630 (1976-10-01), Ginatta

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