Isoparaffin:olefin alkylation process and reactor apparatus

Details Isoparaffin:olefin alkylation process and reactor apparatus Isoparaffin:olefin alkylation process and reactor apparatus

1991-11-21

1993-03-23

Pal, Asok

Chemistry of hydrocarbon compounds

Saturated compound synthesis

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

422202, 585724, 585725, 585701, 585921, 585922, 585924, 585926, C07C 262

Patent

active

051966298

ABSTRACT:
The invention provides a substantially fail-safe HF alkylation process and reactor apparatus. The elongated reactor vessel is enclosed in a subterranean well casing and an alkylate-containing hydrocarbon layer is maintained above the hydrofluoric acid to prevent release of gaseous HF in the event of sudden depressurization. In a preferred embodiment, the hydrocarbon layer contains light hydrocarbons which vaporize upon depressurization to effect Joule-Thompson cooling of the reactor vessel.

REFERENCES:
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patent: 3212860 (1965-10-01), Vernon
patent: 3435092 (1969-03-01), Hutson et al.
patent: 3867103 (1975-02-01), Boney et al.
patent: 4938935 (1990-07-01), Audeh et al.
patent: 4938936 (1990-07-01), Yan
patent: 4985220 (1991-01-01), Audeh et al.
"Alkylation of Isobutane with C.sub.4 Olefins", 27 Ind. Eng. Chem. Res., 381-397 (1988).
Handbook of Petroleum Refining Processes 23-28 (R. A. Meyers, et., 1986).

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