Method for recovering a metal

Details Method for recovering a metal Method for recovering a metal

1988-08-23

1990-03-20

Niebling, John F.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

204109, 204110, 204296, 521 25, 521 27, C25C 704

Patent

active

049099132

ABSTRACT:
A method for producing a metal salt by electrolysis in an electrolytic cell comprising an anode compartment and a cathode compartment partitioned by a diaphragm, characterized by supplying to the cathode compartment an aqueous solution of a water-soluble metal compound, and electrolytically reducing metal ions or metal complex ions to electroplate the metal on a cathode, wherein the diaphragm is a fluorinated anion exchange membrane made of a copolymer having repeating units of the formula: ##STR1## wherein X is F or CF.sub.3, l is an integer of from 0 to 5, m is 0, or 1, n is an integer of 1 to 5, each of p and q is a positive number and the ratio of p/q is from 2 to 16, and Y is a group involving a quaternary ammonium group.

REFERENCES:
patent: 4322501 (1982-03-01), Lee et al.
patent: 4586992 (1986-05-01), Miyake et al.
patent: 4604170 (1986-08-01), Miyake et al.
patent: 4637865 (1987-01-01), Sergent et al.
patent: 4659744 (1987-04-01), Matsui et al.
patent: 4661231 (1987-04-01), Matsui et al.
Chemical Abstracts, vol. 89, No. 14, Oct. 2, 1978, Abstract No. 111198c.

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