Electrodialytic process

Details Electrodialytic process Electrodialytic process

1979-08-03

1980-08-26

Prescott, Arthur C.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

204301, B01D 1302

Patent

active

042193966

ABSTRACT:
An improved process for the electrodialysis of aqueous NaCl which operates at high current efficiency and low unit cell voltage drop to produce high strength, high purity Na.sub.2 CO.sub.3 and either high purity HCl or CaCl.sub.2 by utilizing cation permselective, anion permselective and bipolar membranes wherein the solutions on both sides of the anion permselective membrane are acidic.

REFERENCES:
patent: 3562139 (1971-02-01), Leitz
patent: 3868314 (1975-02-01), Mizutani et al.
patent: 4024043 (1977-05-01), Dege et al.
patent: 4049519 (1977-09-01), Sloan

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