Chemistry of hydrocarbon compounds – Plural serial diverse syntheses – Including alkylation to produce branched-chain paraffin
Patent
1980-12-29
1982-07-27
Davis, Curtis R.
Chemistry of hydrocarbon compounds
Plural serial diverse syntheses
Including alkylation to produce branched-chain paraffin
585314, 585331, C07C 258
Patent
active
043419119
ABSTRACT:
A hydrocarbon conversion process for producing C.sub.8 hydrocarbons suitable for use as motor fuel blending components from normal butane or a mixture of isobutane and normal butane. A butane feed stream is fractionated to produce a normal butane stream which is passed through a butane isomerization zone. The effluent of the isomerization zone is admixed with isobutane and passed into a butane dehydrogenation zone. The C.sub.4 effluent of the dehydrogenation zone is passed into an HF alkylation zone in which C.sub.8 hydrocarbons are produced. The alkylation zone effluent stream is passed into the feed stream fractionator. Preferably, an isobutane stream is withdrawn from the feed stream fractionator and divided into a portion which is passed into the dehydrogenation zone and a portion passed into the alkylation zone based on a measurement of the isobutane inventory of the process.
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The Oil and Gas Journal, R. F. Anderson, "Changes Keep HF Alkylation Up-to-Date", Feb. 11, 1974, pp. 78-82.
Davis Curtis R.
Hoatson Jr. James R.
Page II William H.
Spears Jr. John F.
UOP Inc.
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