Thermal and catalytic defluorination of alkylate

Details Thermal and catalytic defluorination of alkylate Thermal and catalytic defluorination of alkylate

1992-11-23

1994-11-22

Pal, Asok

Chemistry of hydrocarbon compounds

Saturated compound synthesis

By condensation of a paraffin molecule with an olefin-acting...

C07C 262, C07C 704

Patent

active

053671155

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 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: 2392915 (1946-01-01), Grosse et al.
patent: 2636912 (1953-04-01), Leatherman
patent: 2729588 (1956-01-01), Hannah
patent: 2759032 (1956-08-01), Dixon
patent: 2769853 (1956-11-01), Hettick
patent: 2984693 (1961-05-01), Cabbage
patent: 3019273 (1962-01-01), DeLano, Jr. et al.

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