Catalytic conversion process for producing isobutane and isoparaffin-enriched gasoline
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United States of America Patent
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Dec 17, 2002
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N/A
app pub date -
Apr 21, 2000
filing date -
Jun 23, 1999
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Abstract
A process for catalytic conversion of hydrocarbon feedstock to produce isobutane and isoparaffin-enriched gasoline which comprises two different reactions, the preheated feedstock is contacted with hot regenerated catalyst in the lower part of a reactor with the result that catalytic cracking reaction takes place, and the mixture of vapors and the coke deposited catalyst are up-flowed and enter into a suitable reaction environment with the result that isomerization and hydrogen transfer reaction take place. The produced LPG has an isobutane content of about 20 wt % to about 40 wt % and the produced gasoline contains isoparaffin content of about 30 wt % to about 45 wt % and olefin content of less than 30 wt %. RON and MON of the gasoline are 90.about.93 and 80.about.84 respectively.
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