Process for producing aqueous solutions of sodium, ammonium...

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

C - Chemistry, Metallurgy

01

C

204/98.03

C01C 1/22 (2006.01) C01D 5/14 (2006.01) C01F 5/42 (2006.01)

Patent

CA 1059947

TITLE PROCESS FOR PRODUCING AQUEOUS SOLUTIONS OF SODIUM, AMMONIUM AND MAGNESIUM SULPHITE INVENTOR Hans Joachim HAMPEL, Rolf EGGERSDORFER and Alpo Johannes ORA 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.

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