Chemistry of hydrocarbon compounds – Saturated compound synthesis – By isomerization
Patent
1994-11-03
1996-06-25
Pal, Asok
Chemistry of hydrocarbon compounds
Saturated compound synthesis
By isomerization
585702, 585734, 585738, 585739, 585741, 585744, 585746, 585748, 585750, 585825, C07C 5122
Patent
active
055301720
ABSTRACT:
A process for the continuous isomerization of an alkane to produce an isomerized product through contacting the alkane with a simulated moving bed acting as a catalyst for isomerization and an adsorbent for the alkanes has been developed. The alkane may be n-butane and the isomerized product 2-methylpropane, the alkane may be n-pentane and the isomerized product 2-methylbutane or 2,2-dimethylpropane, the alkane may have from 6 up to about 8 carbon atoms with no more than one methyl branch and the isomerized product having the same number of carbon atoms and at least two methyl branches, or the reactant may be a mixture of the foregoing alkanes with the corresponding isomerized products being formed. In a zone of the simulated moving bed, the alkanes are catalytically isomerized to form the isomerized products. The unreacted alkanes are adsorbed, and the isomerized products are collected. In a subsequent zone of the simulated moving bed, the unreacted alkanes are desorbed using a desorbent and are catalytically isomerized to form additional isomerized products which are also separated and collected.
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Dandekar Hermant W.
Funk Gregory A.
Hobbs Simon H.
Kojima Masami
Griffin Walter D.
Maas Maryann
McBride Thomas K.
Pal Asok
Snyder Eugene I.
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