Process and apparatus for electrodialysis of an alkali sulfate c

Details Process and apparatus for electrodialysis of an alkali sulfate c Process and apparatus for electrodialysis of an alkali sulfate c

1993-02-09

1994-03-15

Niebling, John

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

204104, 204301, B01D 6144

Patent

active

052943160

ABSTRACT:
There is disclosed a process for the electrodialysis of alkali sulfate-containing aqueous solutions in stages, by conducting these solutions through a plurality of electrodialytic cells operating in series. The electrodialytic cells include acid and base compartments and a cation exchange membrane. The alkali sulfate-containing aqueous solutions exclusively are conducted through acid compartments of the electrodialytic cells. The electrodialytic cells exclusively possess cation exchange membranes in their interiors and are delimited by bipolar ion exchange membranes.

REFERENCES:
patent: 4486283 (1984-12-01), Tejeda
patent: 4504373 (1985-03-01), Mani et al.
patent: 4536269 (1985-08-01), Chlanda et al.
patent: 4552635 (1985-11-01), Jenczewski et al.
patent: 4592817 (1986-06-01), Chlanda et al.
patent: 4629545 (1986-12-01), Mani et al.
patent: 4740281 (1988-04-01), Chlanda et al.

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