Catalytic alkylation apparatus with hydrocarbon recycle

Details Catalytic alkylation apparatus with hydrocarbon recycle Catalytic alkylation apparatus with hydrocarbon recycle

1981-02-18

1983-05-17

Chiesa, Richard L.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Including external recycle loop

422208, 422231, 422242, 585714, 585723, F28D 700

Patent

active

043839770

ABSTRACT:
A 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.

REFERENCES:
patent: 1907455 (1933-05-01), Stenzel
patent: 2020850 (1935-11-01), Myhren et al.
patent: 3080438 (1963-03-01), Sailors
patent: 3281213 (1966-10-01), Waddill
patent: 3435092 (1969-03-01), Hutson, Jr. et al.
patent: 3865553 (1975-02-01), Masat et al.
patent: 4161497 (1979-07-01), Makovec et al.
patent: 4276257 (1981-06-01), Dixon et al.

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