<abstract xmlns="http://www.w3.org/1999/xhtml"><p> Compared with the monometallic palladium, bimetallic Pd-Au/SiO<sub>2</sub> catalysts show much higher activity and better stability in the reaction of hydrodechlorination of tetrachloromethane, also providing higher selectivity to longer than methane hydrocarbon products. Reasonably mixed Pd-Au particles show better catalytic performance during ~60 h operation, whereas the monometallic palladium and very rich in palladium catalysts suffer rapid deactivation. Smaller amounts of carbon- and chlorine-containing deposits found after reaction on Pd-Au catalysts correspond to their superior catalytic behavior.</p></abstract>

Compared with the monometallic palladium, bimetallic Pd-Au/SiO2 catalysts show much higher activity and better stability in the reaction of hydrodechlorination of tetrachloromethane, also providing higher selectivity to longer than methane hydrocarbon products. Reasonably mixed Pd-Au particles show better catalytic performance during ~60 h operation, whereas the monometallic palladium and very rich in palladium catalysts suffer rapid deactivation. Smaller amounts of carbon- and chlorine-containing deposits found after reaction on Pd-Au catalysts correspond to their superior catalytic behavior.

Hydrodechlorination of tetrachloromethane over silica-supported palladium-gold alloys

Institute of Physical Chemistry of the Polish Academy of Sciences, ul. Kasprzaka 44/52, PL-01224 Warszawa, Poland

Cardinal Stefan Wyszyński University in Warsaw, Faculty of Mathematics and Natural Sciences-School of Science, ul. Wóycickiego 1/3, PL-01938 Warszawa, Poland

Polish Journal of Chemical Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Compared with the monometallic palladium, bimetallic Pd-Au/SiO2 catalysts show much higher activity and better stability in the reaction of hydrodechlorination...

Hydrodechlorination of tetrachloromethane over silica-supported palladium-gold alloys

Pubblicato online: 11 dic 2014

Pagine: 101 - 105

DOI: https://doi.org/10.2478/pjct-2014-0077

© by Zbigniew Karpiński

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.