Total oxidation of methane over Pd/Al2O3 at pressures from 1 to 10 atm

CO oxidation over Ru(0001) at near-atmospheric pressures: From chemisorbed oxygen to RuO2

RuO2(110) was formed on Ru(0001) under oxygen-rich reaction conditions at 550 K and high pressures. This phase was also synthesized using pure O2 and high reaction temperatures. Subsequently the RuO2 was subjected to CO oxidation reaction at stoichiometric and net reducing conditions at near-atmospheric pressures. Both in situ polarization modulation infrared reflection absorption spectroscopy ...

Methane storage in nanoporous material at supercritical temperature over a wide range of pressures

The methane storage behavior in nanoporous material is significantly different from that of a bulk phase, and has a fundamental role in methane extraction from shale and its storage for vehicular applications. Here we show that the behavior and mechanisms of the methane storage are mainly dominated by the ratio of the interaction between methane molecules and nanopores walls to the methane inte...

Partial and Total Oxidation of Methane in Monolithic Catalysts at Short Contact Times

Study of CO Oxidation over Ru ( 0001 ) at High Gas Pressures

Experiments performed at high gas partial pressures have demonstrated that the kinetics of the CO oxidation reaction at Ru (0001) is different and somewhat anomalous compared to that over other transition metal surfaces and, in particular, the turnover rate is exceptionally high. In order to gain insight into the underlying reasons for this behavior, we performed density functional theory calcu...

Internal oxidation of Nb-Zr alloys over the range 1555-1768°C at low oxygen pressures

Three Nb alloys, containing 1 w/oZr, 2.5 w/oZr, and IOW-2.5Zr, were internally oxidized in the range of 1555 to 1768 O C at oxygen pressures ranging from 5 x to 1 x torr. Linear kinetics were measured suggesting that oxygen arrival at the surface and not oxygen diffusion in the substrate was rate controlling. Both tetragonal and monoclinic ZrOn formed, the tetragonal form being favored by high ...