Production of allyl chloride by use of molten salts

Details Production of allyl chloride by use of molten salts Production of allyl chloride by use of molten salts

C - Chemistry, Metallurgy

07

C

260/662.2

C07C 21/067 (2006.01) B01J 10/00 (2006.01) C07C 17/10 (2006.01)

Patent

CA 1122227

3729 PRODUCTION OF ALLYL CHLORIDE BY USE OF MOLTEN SALTS Abstract of the Disclosure Propylene is chlorinated with chlorine to produce allyl chloride and hydrogen chloride byproduct. Recovered hydrogen chloride by- product is contacted with oxygen and a molten salt mixture containing a 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. -i-

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