Method for the recovery of metals from the membrane of electroch

Details Method for the recovery of metals from the membrane of electroch Method for the recovery of metals from the membrane of electroch

1990-09-10

1992-07-28

Niebling, John

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

204109, 204111, 423 22, 210638, 210670, 521 26, 521 27, C08J 700, C25C 120

Patent

active

051338432

ABSTRACT:
A method for rejuvenating a membrane or diaphragm from an electrochemical cell which comprises the steps of treating the membrane or disphragm with an inorganic acid at an elevated temperature so as to dissolve metallic particles and then optionally treating the membrane or diaphragm with a basic solution. Metals dissolved in the acid solution can be recovered by conventional methods.

REFERENCES:
patent: 4367147 (1983-01-01), Asami et al.
patent: 4526904 (1985-07-01), Kishida et al.
Treatise on Inorganic Chemistry-H. Remy, vol. II-1956.

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