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The combination of hydrosoluble tetracopper(II) catalyst with tert -butyl hydroperoxide leads to a versatile homogeneous system for the oxidative functionalization, under mild conditions, of various substrates that include alkanes, alcohols and glycerol.
The target reaction is the reduction of NO to nitrogen which competes with the oxidation reaction under lean conditions (excess of oxygen) that may considerably alter the selectivity. Silver colloids prepared by reducing AgNO 3 in aqueous solution are embedded in alumina leading to stable...
Oxidative bromination of methane over FePO 4 /SiO 2 catalyst was dominated by a redox route, which gave 50% methane conversion and 96% total selectivity toward CH 3 Br/CO (CH 3 Br:CO ≈ 1) at 570 °C.
The dominant adsorption mode of cinchonidine on Pt/Al 2 O 3 inverts from pro-( S ) at C(4′) to pro-( R ) upon interaction with the ketone substrate, as concluded from the product distribution of the hydrogenation of its anchoring quinoline ring.
Mössbauer spectroscopy was used to determine that metal atoms are preferentially ordered in Fe x Ni 2− x P y /SiO 2 catalysts. The high hydrodesulfurization activity of Ni-rich Fe x Ni 2− x P y /SiO 2 catalysts is attributed to Ni atoms in M(2) sites at the surface of the phosphide particles.
Catalytic activity of sulfated vanadia–titania catalysts measured in selective methanol oxidation to dimethoxymethane was found to depend on the nature of surface sites, calcination temperature, and sulfate concentration.
In situ surface X-ray diffraction reveals that RuO 2 -model catalysts are long-term stable for the HCl oxidation reaction by oxygen with a mean TOF of 0.6 s −1 for Cl 2 using a batch reactor.
The activity and deactivation of different CNF-supported palladium catalysts (using different precursors and surface treatments) for tetrachloroethylene hydrodechlorination have been studied in this work. It was observed that the behaviour of the catalysts changes markedly with the treatment of...
In 2 O 3 –Al 2 O 3 mixed oxides were found to be active and stable for propane dehydrogenation with CO 2 , in which a unique bifunctional character of the indium component has been established.
CO oxidation has been studied in a new microstructured DRIFTS cell over platinum catalysts. Modeling of the data shows that addition of ceria changes the rate-controlling step.
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