Process for producing aqueous solutions of sodium, ammonium and

Details Process for producing aqueous solutions of sodium, ammonium and Process for producing aqueous solutions of sodium, ammonium and

1976-04-07

1977-02-22

Prescott, Arthur C.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

423497, 423519, B01D 1302

Patent

active

040090884

ABSTRACT:
A continuously operative electrochemical ion exchange process for producing sodium, ammonium or magnesium sulphite or hydrogen sulphite in an aqueous solution simultaneously with the production of a useful calcium salt as a by-product by subjecting an aqueous solution of a salt of sodium, ammonium, or magnesium to an electrodialysis procedure with an aqueous solution of calcium sulphite or calcium hydrogen sulphite.

REFERENCES:
patent: 2656249 (1953-10-01), Gray et al.
patent: 3086928 (1963-04-01), Schulz
patent: 3905886 (1975-09-01), Wang

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