Production of chlorinated compounds by use of molten salts

Details Production of chlorinated compounds by use of molten salts Production of chlorinated compounds by use of molten salts

C - Chemistry, Metallurgy

07

C

260/650

C07C 17/00 (2006.01) C01B 7/04 (2006.01)

Patent

CA 1127186

Abstract of the Disclosure A compound is chlorinated with chlorine to produce chlorinated product and hydrogen chloride byproduct. Recovered hydrogen chloride byproduct is contacted with oxygen and a molten salt mixture containing the higher and lower valent chlorides of a multivalent metal, such as cuprous and cupric chloride, to effect recovery of the hydrogen chloride by enriching the molten salt content of the higher valent chloride. The molten salt, enriched in higher valent chloride, is then dechlorinated by use of a stripping gas, preferably hydrogen chloride, to produce a gaseous effluent containing stripped chlorine and the stripping gas, which is then recycled to the chlorination step. The presence of stripping gas, as a diluent, improves the chlorination operation.

320624

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