C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/660.1
C07C 17/15 (2006.01) C01B 7/01 (2006.01) C07C 17/38 (2006.01)
Patent
CA 1169885
4017 RECOVERY OF CHLORINE VALUES IN INTEGRATED PROCESS FOR OXYCHLO- RINATION AND COMBUSTION OF CHLO- RINATED HYDROCARBONS. Abstract of the Disclosure In an integrated process for oxychlorination and combustion of chlorinated hydrocarbons, chlorinated hydro- carbons is burned to recover chlorine values essentially as hydrogen chloride. Combustion effluent and off-gas from an oxychlorination reaction are simultaneously treated to recover anhydrous hydrogen chloride for use in the oxychlorination reaction. In accordance with one embodiment, off-gas from the oxychlorination is employed in the combustion, prior to hydrogen chloride recovery in order to utilize any oxygen values therein. The process has particular applicability to an oxychlorination reaction of the type wherein a molten salt containing the higher and lower valent chlorides of a multi- valent metal is contacted with hydrogen chloride and oxygen to recover hydrogen chloride by enriching the higher valent metal chloride content of the molten salt.
392380
Huang Chiung-Yuan
Riegel Herbert
Bereskin & Parr
Lummus Company (the)
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