Chemistry of hydrocarbon compounds – Plural serial diverse syntheses – With hydrocarbon effluent stream splitting for recycle to...
Patent
1985-09-23
1986-12-30
Pal, Asok
Chemistry of hydrocarbon compounds
Plural serial diverse syntheses
With hydrocarbon effluent stream splitting for recycle to...
585331, 585332, 585415, 585533, 585709, 585733, 585723, C07C 200
Patent
active
046330275
ABSTRACT:
A continuous process for upgrading C.sub.3 -C.sub.4 hydrocarbon feed containing olefins to produce heavier liquid hydrocarbons comprising converting a major portion of C.sub.3 -C.sub.4 olefins in an oligomerization zone by contacting a shape selective medium pore zeolite catalyst at elevated temperature and pressure to make distillate and olefinic gasoline; fractionating the oligomerization stage effluent to provide distillate and gasoline product and a C.sub.3 -C.sub.4 intermediate stream containing isobutane and unconverted propene and butylene; and combining the C.sub.3 -C.sub.4 intermediate stream with a portion of C.sub.3 -C.sub.4 feed and further converting the combined streams in an alkylation zone to make heavier paraffinic hydrocarbons.
The olefin feed may be produced by catalytically converting methanol or similar oxygenated hydrocarbons in a known process.
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Owen Hartley
Tabak Samuel A.
Wright Bernard S.
Gilman M. G.
McKillop A. J.
Mobil Oil Corporation
Pal Asok
Wise L. G.
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