Catalytic alkylation method and apparatus with hydrocarbon recyc

Details Catalytic alkylation method and apparatus with hydrocarbon recyc Catalytic alkylation method and apparatus with hydrocarbon recyc

1979-10-02

1981-06-30

Davis, Curtis R.

Chemistry of hydrocarbon compounds

Saturated compound synthesis

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

585723, C07C 354

Patent

active

042764394

ABSTRACT:
A process and apparatus for the catalytic alkylation of an isoparaffin with one or more olefins. Reactant hydrocarbons are passed in contact with a liquid catalyst such as hydrofluoric acid in a reaction zone. The hydrocarbon phase is allowed to separate from the catalyst phase in a settling zone, and a portion of the hydrocarbon phase is cooled and reintroduced to the reaction zone in a separate stream from that of the feed hydrocarbons. The alkylation apparatus by which the process is carried out includes a vertical reaction vessel, which in a preferred embodiment is 2 to 6 feet in height, a settling vessel, means for fluid flow from the reaction vessel to the settling vessel, a conduit for fluid flow between the upper part of the settling vessel and the reaction zone, and means for cooling fluid in this conduit.

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patent: 3817708 (1974-06-01), Vernon
patent: 3928486 (1975-12-01), Sobel
patent: 4094923 (1978-06-01), Dixon
patent: 4161497 (1979-07-01), Makovec et al.

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