Surface species investigation of Ni-Fe catalysts of CO2 hydrogenation by TD MS analysis
Journal Title: Поверхня - Year 2017, Vol 24, Issue 9
Abstract
The condition of Ni-Fe catalysts’ surface was investigated by the method of thermally programmed desorption with mass spectral analysis of desorbed particles (TD MS). TD spectra indicated the desorption of CO2 (m/z = 44), CO (m/z = 28) and H2O (m/z = 18) particles from the surface of samples with high and low catalytic activity in the reaction of CO2 hydrogenation. Intermediate compounds CHO*, CH2O* were not observed in the TD profiles for all investigated catalysts. On the basis of catalytic performance results and thermal desorption data it can be suggested that process of CO2 hydrogenation over Ni-Fe catalysts proceeds via direct hydrogenation of CO2 to CH4.
Authors and Affiliations
R. Meshkini Far, A. Dyachenko, O. Bieda
Keywords
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- EP ID EP592054
- DOI 10.15407/Surface.2017.09.104
- Views 91
- Downloads 0
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