Apparatus for the thermal and catalytic defluorination of alkyla

Distillation: apparatus – Apparatus – Systems

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202153, 196105, 196130, 203 28, 203 29, 203 39, 203 41, 203 98, 203DIG6, 203DIG19, 203DIG25, B01D 316, C07C 262

Patent

active

055079199

ABSTRACT:
An apparatus and method are provided for the defluorination of a liquid hydrocarbon mixture, containing organic fluorides, produced during the conversion of hydrocarbons using a fluorine-containing catalyst. In one embodiment, both a thermal means and a contacting material are used to effectuate a more complete defluorination. The liquid hydrocarbon mixture is extracted from a distillation column and heated sufficiently in the thermal means to decompose at least some of the organic fluorides. The effluent from the thermal means is separated into a vaporous and a liquid effluent. The liquid effluent is passed to the bottom of the distillation column where it undergoes further defluorination through contact with the contacting material.

REFERENCES:
patent: 2729588 (1956-01-01), Hannah
patent: 2769853 (1956-11-01), Hettick
patent: 2984693 (1961-05-01), Cabbage
patent: 3019273 (1962-01-01), DeLano
patent: 3403080 (1968-09-01), Clay
patent: 4720327 (1988-01-01), Aguila et al.
patent: 5296104 (1994-03-01), Signorini et al.
patent: 5367115 (1994-11-01), Love et al.

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