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A novel catalyst consisting of gold nanoparticles supported on an uncalcined (with template in) titanium silicalite-1 (Au/U-TS-1) and having a very long (∼10–20h) and unique activation period for gas-phase propylene epoxidation in the presence of H 2 and O 2 is reported. Propylene oxide (PO) rate per gram of catalyst, H 2 selectivity, and BET apparent surface area of the catalyst...
The stability of Pt catalysts for NO oxidation was analyzed by observing the effect of pre-adsorbed sulfur on the reaction kinetics using a series of Pt/SBA-15 catalysts with varying Pt particle sizes (ca 2–9nm). Our results indicate that sulfur addition did not influence catalyst deactivation of any of the Pt catalysts, resulting in unchanged turnover rates (TOR) and reaction kinetics. The presence...
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