Isomerization of hydrocarbons

Details Isomerization of hydrocarbons Isomerization of hydrocarbons

1998-12-01

2000-10-31

Griffin, Walter D.

Chemistry of hydrocarbon compounds

Saturated compound synthesis

By isomerization

585734, 585738, 585739, 585745, 585747, 585748, 585746, 585750, 208139, C07C 513, C10G 3506

Patent

active

061405477

ABSTRACT:
An isomerization process for converting an isomerization feed stream containing alkanes having about 4 carbon atoms to about 10 carbon atoms per molecule and cycloalkanes having about 5 carbon atoms to about 10 carbon atoms per molecule to at least one product hydrocarbon isomer. The isomerization feed stream, which contains at least one feed hydrocarbon and hydrogen, is contacted in an isomerization zone at effective isomerization conditions with a catalyst where deactivation of such catalyst occurs in the isomerization zone. The isomerization process includes the presence of an additive in the isomerization feed stream. The concentration of the additive is sufficient to alleviate or diminish the deactivation of the catalyst and to maintain a substantially constant conversion of the at least one feed hydrocarbon to the at least one product hydrocarbon isomer at effective isomerization conditions.

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patent: 5474964 (1995-12-01), Wu et al.
patent: 5557029 (1996-09-01), Lin et al.
patent: 5654247 (1997-08-01), Lin et al.

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