Chemistry of hydrocarbon compounds – Aromatic compound synthesis – By ring formation from nonring moiety – e.g. – aromatization,...
Patent
1988-02-19
1989-05-02
Davis, Curtis R.
Chemistry of hydrocarbon compounds
Aromatic compound synthesis
By ring formation from nonring moiety, e.g., aromatization,...
585417, 585467, 585533, C07C 1202
Patent
active
048270695
ABSTRACT:
A fluidized bed catalytic process for conversion of light olefinic gas feedstock containing ethene and propene to produce C.sub.5.sup.+ hydrocarbons and for the conversion of catalytic reformate feedstock to produce C.sub.7 -C.sub.11 aromatic hydrocarbons, comprising a maintaining a fluidized bed of zeolite catalyst particles in a turbulent reactor bed at a temperature of about 600.degree. to 750.degree. F. (316.degree. to 399.degree. C.) and pressure of about 100 to 250 psig (790 to 825 kPa. The catalyst has an apparent particle density of about 0.9 to 1.6 g/cm.sup.3 and a size range of about 1 to 150 microns, and average catalyst particle size of about 20 to 100 microns containing about 10 to 25 weight percent of fine particles having a particle size less than 32 microns. The feed vapor is passed upwardly through the fluidized catalyst bed under turbulent flow conditions; turbulent fluidized bed conditions are maintained through the reactor bed between transition velocity and transport velocity at a superficial fluid velocity of about 0.3 to 2 meters per second; and hydrocarbon product is recovered containing C.sub.5.sup.+ hydrocarbons and C.sub.7 to C.sub.11 aromatic hydrocarbons.
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Harandi Mohsen N.
Kushnerick J. Douglas
Owen Hartley
Davis Curtis R.
McKillop Alexander J.
Mobil Oil Corporation
Speciale Charles J.
Wise L. G.
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