Hydrogen chloride-propylene separation

Details Hydrogen chloride-propylene separation Hydrogen chloride-propylene separation

1983-08-01

1985-12-10

Dixon, Jr., William R.

Organic compounds -- part of the class 532-570 series

Organic compounds

Halogen containing

203 9, 203 67, 423488, 570230, 570246, 570262, C07C 21067

Patent

active

045581673

ABSTRACT:
Hydrogen chloride is recovered from a mixture with propylene by extractive distillation with an inert extraction solvent to minimize reaction between hydrogen chloride and propylene during such distillation. The temperature and pressure conditions are coordinated with the extraction solvent and amount thereof to prevent the presence of hydrogen chloride in a liquid state. The process is particularly suitable for recovering hydrogen chloride in the production of allyl chloride by thermal chlorination of propylene.

REFERENCES:
patent: 2227953 (1941-01-01), Baehr et al.
patent: 2615791 (1952-10-01), Raley
patent: 3120568 (1964-02-01), Brown
patent: 3865886 (1975-02-01), Schindler et al.
patent: 4168210 (1979-09-01), Boozalis et al.
Perry and Chilton, Chemical Engineers' Handbook, 5th ed., pp. 13-43, 44 (1980).

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