Process and apparatus for electrodialysis of an alkali sulfate c

Chemistry: electrical and wave energy – Processes and products – Electrostatic field or electrical discharge

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204104, 204301, B01D 6144

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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:
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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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