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- W2321375748 abstract "Two types of catalysts were synthesized and used in the Water Gas Shift Reaction (WGSR): Rh/La2O3 and Rh/La2O3-SiO2. The fresh and used catalysts were characterized through X-ray diffraction (XRD), laser raman spectroscopy (LRS), Fourier transform infrared (FTIR) spectroscopy, and X-ray photoelectron spectroscopy (XPS). The stability tests performed at 673 K (50 h time-on-stream) showed that the Rh/La2O3 slowly deactivated while Rh/La2O3-SiO2 exhibited high stability at least for 50 h on stream. The instrumental techniques offered some clues to explain the possible causes of deactivation of one formulation and the high stability of the other. The latter catalyst was more active than most high-temperature formulations reported in the literature. The kinetic measurements were made at atmospheric pressure and reaction temperatures between 598 and 723 K. The results obtained were fitted by a Langmuir−Hinshelwood mechanism assuming that the rate-determining step was the surface reaction of adsorbed CO and H2O. The parity plot showed a good correlation between the experimental and calculated reaction rates. The thermal parameters calculated with this model were all physically consistent. They were compared to kinetic, thermodynamic, and calculated data reported in the literature." @default.
- W2321375748 created "2016-06-24" @default.
- W2321375748 creator A5004243998 @default.
- W2321375748 creator A5057314283 @default.
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- W2321375748 date "2011-03-18" @default.
- W2321375748 modified "2023-10-08" @default.
- W2321375748 title "Kinetic Study of a Novel Active and Stable Catalyst for the Water Gas Shift Reaction" @default.
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- W2321375748 doi "https://doi.org/10.1021/ie102202u" @default.
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