Heterogeneous isoparaffin/olefin alkylation
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United States of America Patent
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Sep 11, 1990
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N/A
app pub date -
Jul 11, 1989
filing date -
Jul 15, 1988
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Expired
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Abstract
An improved continuous process for alkylation of isoparaffins with olefins to yield a product which includes a large proportion of highly branced paraffins for making gasoline having improved octane is taught. The improved process comprises contacting isoparaffins and olefins with a composite catalyst comprising a Lewis acid and a non-zeolitic inorganic oxide in the presence of a controlled amount of water. The process results in reduced catalyst aging and obviates environmental problems associated with prior art processes.
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