The Active State of Supported Ruthenium Oxide Nanoparticles during Carbon Dioxide Methanation - Sorbonne Université Accéder directement au contenu
Article Dans Une Revue Journal of Physical Chemistry C Année : 2016

The Active State of Supported Ruthenium Oxide Nanoparticles during Carbon Dioxide Methanation

Résumé

Ruthenium catalysts supported on TiO2 have been shown to have competitive activity and selectivity for the methanation of CO2. In particular, a catalyst using preformed RuO2 nanoparticles deposited on a TiO2 support showed competitive performances in a previous study. In this work, ambient-pressure X-ray photoelectron spectroscopy was employed to determine the chemical state of this catalyst under reaction conditions. The active state of ruthenium was found to be the metallic one. Surface adsorbates were monitored in the steady state, and CHx species were found to be favored over adsorbed carbon monoxide at increasing temperatures.

Dates et versions

hal-01347308 , version 1 (20-07-2016)

Identifiants

Citer

Sophie Carenco, Capucine Sassoye, Marco Faustini, Pierre Eloy, Damien P. Debecker, et al.. The Active State of Supported Ruthenium Oxide Nanoparticles during Carbon Dioxide Methanation. Journal of Physical Chemistry C, 2016, 120 (28), pp.15354-15361. ⟨10.1021/acs.jpcc.6b06313⟩. ⟨hal-01347308⟩
122 Consultations
0 Téléchargements

Altmetric

Partager

Gmail Facebook X LinkedIn More