结构化金和铂催化剂上的氧气辅助水煤气变换反应.pdf

Applied Catalysis B: Environmental 185 (2016) 337–343 Contents lists available at ScienceDirect Applied Catalysis B: Environmental j o u r na l h o m e p ag e: w w w. elsev /locate/apc atb O -assisted Water Gas Shift reaction over structured Au and Pt 2 catalysts ∗ ∗∗ ˜ M. González-Castano , T. R. Reina , S. Ivanova, L.M. Martínez Tejada, M.A. Centeno, J.A. Odriozola Departamento de Química Inorgánica e Instituto de Ciencia de Materiales de Sevilla (ICMS), Centro mixto CSIC-Universidad de Sevilla, Avda. Americo Vespucio 49, 41092 Sevilla, Spain a r t i c l e i n f o a b s t r a c t Article history: Platinum and gold structured catalysts were compared as active phases in classical and O -assisted Water 2 Received 25 September 2015 Gas Shift (WGS) reaction. Both metals were supported on iron-doped ceria mixed oxide and then, struc- Received in revised form tured on metallic micromonolithic devices. As expected the WGS activity of both micromonoliths is 16 December 2015 conditioned by the nature of the noble metals being Pt the most active metal in traditional conditions. Accepted 18 December 2015 However, the addition of oxygen to the classical water gas feed turns the balance in favor of the gold Available online 22 De