C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
23/15, 260/660.3
C01B 31/24 (2006.01) C01D 7/00 (2006.01) C01D 15/08 (2006.01) C07C 17/02 (2006.01) C07C 17/10 (2006.01)
Patent
CA 1123170
Abstract Production of sodium bicarbonate by the solvay-soda method, employing a volatile aliphatic amine instead of ammonia, is combined with the oxychlorination of olefins in liquid phase by using the amine hydrochloride side-product of the soda plant as chlorine source in the oxidative regeneration of the spent chlorinating liquid. The chlorinat- ing liquid contains iodine and copper chloride or iron chloride and on regenerating the spent liquid the amine is recovered in the vapor phase and recycled to the soda plant.
343433
Akzo N.v.
Marks & Clerk
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