Method for high temperature electrodialysis

Details Method for high temperature electrodialysis Method for high temperature electrodialysis

1980-04-10

1982-01-19

Williams, Howard S.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

B01D 5702

Patent

active

043115756

ABSTRACT:
In electrodialysis for desalting or concentrating an electrolyte solution in desalting chambers and concentrating chambers constituted by alternately juxtaposing a plurality of anion and cation exchange membranes between at least a pair of electrodes by supplying the electrolyte solution into the desalting and concentrating chambers while introducing a gas in a bubble state into the electrolyte solution between the ion exchange membranes, the electrolyte solution is made to contact the gas in the bubble state while providing a temperature difference between the gas and the electrolyte solution. The scale deposition onto the ion exchange membranes is prevented with an increase in electrodialysis efficiency.

REFERENCES:
patent: 3870613 (1975-03-01), Nakamura et al.
patent: 4160713 (1979-07-01), Matsuzaki et al.

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