| abstract |
Processes to isolate 1,1,1,2,3-pentachloropropane from a crude product stream containing 1,1,1,2,3-pentachloropropane and ferric chloride. Processes may comprise deep distillation of crude oil, treatment of crude with a reagent that deactivates ferric chloride followed by distillation of the deactivated crude stream, aqueous scrubbing of the crude product stream to remove ferric chloride followed by distillation of the stream. crude off. Other embodiments simultaneously prepare 1,1,2,3-tetrachloropropene and 1,1,1,2,3-pentachloropropene. |