CATALYST COMPOSITION FOR SELECTIVE HYDROGENATION WITH IMPROVED CHARACTERISTICS
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United States of America Patent
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Apr 25, 2013
app pub date -
Oct 19, 2011
filing date -
Oct 19, 2011
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Abstract
This invention relates to heterogeneous catalysts useful for selective hydrogenation of unsaturated hydrocarbons, comprising palladium and optionally a promoter, supported on a substrate, having an uncoated BET surface area of ≦9 m2/g, the surface being coated with an ionic liquid. Also described are methods of making the catalysts and methods of selective hydrogenation of acetylene and/or dienes in front-end mixed olefin feed streams.
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