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- W2053263742 abstract "Abstract This paper reports the first demonstration of 13 C distortionless enhancement by polarisation transfer (DEPT) NMR spectroscopy at natural abundance to study the hydrogenation and isomerisation of pentenes over a 1 wt% Pd/Al 2 O 3 catalyst. Single component C5 hydrocarbons and binary mixtures of hydrocarbon and hydrogen have been adsorbed on both a pure alumina support and the Pd/Al 2 O 3 catalyst derived from it. The pentene species studied were 1-, cis -2- and trans -2-pentene. No isomerisation or hydrogenation was observed when single component pentene isomers or binary mixtures of 1-pentene and hydrogen, and cis -2-pentene and hydrogen were adsorbed onto the pure alumina support. However, when trans -2-pentene and hydrogen were both adsorbed onto the support, partial hydrogenation to n -pentane was observed in addition to the presence of both cis -2- and trans -2-pentenes. All pentene isomers hydrogenate over the Pd/Al 2 O 3 catalyst to give predominantly n -pentane and a small amount of the trans -2-pentene isomer. For the parameters chosen here these studies show that trans -2-pentene appears to be the active isomer for hydrogenation over the pure support alone." @default.
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- W2053263742 date "2006-05-01" @default.
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- W2053263742 title "Polarisation enhanced 13C magnetic resonance studies of the hydrogenation of pentene over Pd/Al2O3 catalysts" @default.
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- W2053263742 doi "https://doi.org/10.1016/j.cattod.2006.02.042" @default.
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