High performance bipolar membranes

Details High performance bipolar membranes High performance bipolar membranes

1991-10-25

1993-07-13

Niebling, John

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204296, 204301, 521 27, 521 30, C25B 1300

Patent

active

052270408

ABSTRACT:
A low electrical resistance bipolar membrane formed by the conjoining of treated anion and cation exchange membranes is disclosed. The treatment comprises contacting the membranes with an aqueous solution of at least one cation prior to conjoining and contacting at least one face of the membranes with an aqueous alkaline solution.
A process for the preparation of acid and alkali using these bipolar membranes is also disclosed.

REFERENCES:
patent: 4140815 (1979-11-01), Dega et al.
patent: 4670125 (1987-07-01), Mueller et al.
Simons "A Novel Method for Preparing Bipolar Membranes" Electrocimica Acta vol 31, No. 9, 1986, pp. 1175-1176.

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