The promotional effect of Sn-beta zeolites on platinum for the selective hydrogenation of α,β-unsaturated aldehydes
摘要：
Pt impregnated on a Sn-beta catalyst results in a very promising catalyst for the selective hydrogenation of α,β-unsaturated aldehydes, compared to the PtSn co-impregnated beta catalysts. Framework tin ions in the Sn-beta sample stabilize the nucleation of platinum nanoparticles inside the zeolite channel. These Pt0–Sn4+ sites, which are only observed in the Pt/Sn-beta catalyst, have been shown to strongly activate the carbonyl group enhancing the hydrogenation rate of the CO bond.
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关键词：
LIQUID-PHASE HYDROGENATION CITRAL HYDROGENATION CATALYTIC-PROPERTIES ACTIVATED CARBON UNSATURATED ALDEHYDES SUPPORTED CATALYSTS CHEMOSELECTIVE HYDROGENATION BIMETALLIC CATALYSTS RU/SIO2 CATALYSTS CINNAMYL ALCOHOL
DOI：
10.1039/C3CP50519G
被引量：
年份：
2013
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