Combination reforming and isomerization process
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United States of America Patent
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Dec 27, 2005
Issued Date -
N/A
app pub date -
Jun 21, 2004
filing date -
Aug 29, 2001
priority date (Note) -
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Abstract
A reforming and isomerization process has been developed. A reforming feedstream is charged to a reforming zone containing a reforming catalyst and operating at reforming conditions to generate a reforming zone effluent. Hydrogen and an isomerization feedstream is charged into an isomerization zone to contact an isomerization catalyst at isomerization conditions to increase the branching of the hydrocarbons. The isomerization catalyst is a solid acid catalyst comprising a support comprising a sulfated oxide or hydroxide of at least an element of Group IVB, a first component being at least one lanthanide series element, mixtures thereof, or yttrium, and a second component being a platinum group metal or mixtures thereof. The reforming zone effluent is combined with the isomerization zone effluent to form a combined effluent stream and separated into a product stream enriched in C5 and heavier hydrocarbons and an overhead stream enriched in C4 and lighter boiling compounds.
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