Method of producing metal hydroxides

Details Method of producing metal hydroxides Method of producing metal hydroxides

1993-03-05

1995-01-24

Niebling, John

Chemistry: electrical and wave energy

Processes and products

204 15, C25B 100

Patent

active

053840178

ABSTRACT:
Metal hydroxides are produced in an easy-to-separate powder form from metal in solution, by passing an electric current through the solution to produce the formation of a preceipitated hydroxide against a solid ion-exchange membrane, which membrane separates the anode compartment from the cathode compartment. When the solution is acidic, the membrane is an anion exchange membrane. When the solution is basic, the membrane is a cation exchange membrane.

REFERENCES:
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patent: 3856641 (1974-12-01), Rothman et al.
patent: 4067788 (1978-01-01), Solomon
patent: 4265718 (1981-05-01), Limare et al.
patent: 5118399 (1992-06-01), Vaughan
patent: 5135622 (1992-08-01), Abys et al.
patent: 5198085 (1993-03-01), Vaughan
Derwent Abstract, Section ch, Week 8847, Class JO3, AN 88-334249 & JP-A-63-247385.
French Search Report.

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