Al.sub.2 O.sub.3 alkene isomerization process and catalyst
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United States of America Patent
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Aug 27, 1991
Issued Date -
N/A
app pub date -
Dec 7, 1990
filing date -
Nov 12, 1982
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Expired
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Abstract
Gamma alumina having a sodium content of less than 0.01 weight percent sodium calculated as Na.sub.2 O and said alumina modified with silicon were found to be superior catalysts for the isomerization of alkenes having at least four carbon atoms, preferably with 0.01 to 1 mole of water per mole of alkene present during the isomerization. Both skeletal isomerization (e.g. n-butene to isobutene) and position isomerization (e.g. butene-2 to butene-1) are obtained.
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