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