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Pt–3d–Pt(1 1 1) structures, where 3d = Ni or Co, are shown to have increased activity for the selective hydrogenation of the C O bond of acrolein.
Liquid-phase cascade acylation/dehydration promoted by H-beta zeolite is an effectual strategy to yield 2-methylanthraquinone in 82.2%. The acidity and morphology strongly affect catalytic properties and coke formation.
The selective catalytic reduction of NO with NH3 has been studied over Fe-ZSM-5 samples with equal exchange degrees and active sites but different Brønsted-acidities. The experiments revealed that the acidity of the catalyst is not a crucial factor for high activity and that Brønsted-acidity...
A reaction mechanism was proposed based on in situ DRIFTS and ethanol TPD. Reaction type, feed ratio, and temperature influence amounts and types of carbon deposited and in turn, catalyst stability.
In situ X-ray diffraction and Raman investigations of SAPO-34 during methanol-to-olefin conversion show asymmetric expansion of the catalyst linked to the build-up of intermediates in the zeolite cages.
m -Dinitrobenzene hydrogenation over Au/TiO 2 (see TEM image) exhibited a particle size sensitivity delivering higher specific rates over smaller Au particle sizes (in the range 3.4–10.0 nm), irrespective of support anatase:rutile ratio; Au particles <5 nm favour partial – NO 2 reduction to...
Mixtures of ionic liquids (with acidity manifested in the cation and/or anion) and conventional acids display tunable synergy and offer superior conversion, selectivity, and catalyst stability for the title reaction.
Catalysts of vanadium phosphate oxides were studied in glycerol dehydration to acrolein in the temperature range of 250–350 °C with an O 2 /glycerol ratio of 0–13.6.
The kinetics of C–C coupling reactions and hydrogenation were studied to investigate the reactivity and separation effectiveness of palladium-based magnetic nanocatalysts.
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