Process for the conversion of butanes into gasoline

Details Process for the conversion of butanes into gasoline Process for the conversion of butanes into gasoline

1981-06-10

1983-01-04

Davis, Curtis R.

Chemistry of hydrocarbon compounds

Plural serial diverse syntheses

Including alkylation to produce branched-chain paraffin

585314, 585315, 585331, 585723, C07C 354

Patent

active

043673570

ABSTRACT:
An improved multiconversion zone process which results in an increased yield of motor fuel blending stocks from butanes is disclosed. A butane mixture is fractionated into isobutane-rich and normal butane-rich process streams, with the normal butane-rich stream being passed into an isomerization zone. All of the C.sub.4 's in the isomerization zone effluent and the normal butane-rich process stream are passed through a dehydrogenation zone. The entire dehydrogenation zone effluent stream is passed into an alkylation zone, and the alkylation zone effluent is fractionated. An alkylate-containing normal butane stream is recycled to the feed fractionator, and alkylate from the feed fractionator is admixed with an alkylate stream from the alkylation zone product fractionator to produce a product stream.

REFERENCES:
patent: 2314435 (1943-03-01), Allender
patent: 2389984 (1945-11-01), Jones
patent: 3409540 (1968-11-01), Gould et al.
patent: 3904384 (1975-09-01), Kemp et al.
patent: 3931352 (1976-01-01), Mikulicz

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