Selective Catalytic Reduction of NO by NH3 over MoO3 Promoted Fe2O3 Catalyst
| Autor: | W. Zhao, Zh. Xu, Xin Li, J. Wang |
|---|---|
| Rok vydání: | 2018 |
| Předmět: |
Chemistry
Doping Selective catalytic reduction 02 engineering and technology General Chemistry 010402 general chemistry 021001 nanoscience & nanotechnology 01 natural sciences Catalysis 0104 chemical sciences Computer Science Applications symbols.namesake Adsorption Chemical engineering Modeling and Simulation symbols 0210 nano-technology Raman spectroscopy Dispersion (chemistry) |
| Zdroj: | Kinetics and Catalysis. 59:628-634 |
| ISSN: | 1608-3210 0023-1584 |
| DOI: | 10.1134/s002315841805018x |
| Popis: | A series of MoO3 doped Fe2O3 catalysts prepared by the co-precipitation method were investigated in the selective catalytic reduction of NO by NH3 (NH3-SCR). The catalysts displayed excellent catalytic activity from 225 to 400°C and high tolerance to SO2/H2O poisoning at 300°C. To characterize the catalysts the N2-BET, XRD, Raman, NO-TPD, NH3-TPD and in situ DRIFTS were carried out. It was found that the main reason explaining a high NH3-SCR performance might be the synergistic effect between Fe and Mo species in the catalyst that could enhance the dispersion of Fe2O3 and increase NH3 adsorption on the catalyst surface. |
| Databáze: | OpenAIRE |
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