Study on Preparation and NH3-SCR Denitration Performance of Molybdenum Oxide-Loaded Monazite Catalytic Materials AITranslate
Abstract AITranslate
The catalyst of molybdenum oxide-loaded monazite was prepared by impregnation method,and tests for its characterization and NH3-SCR denitration performance were carried out.The results show that the NO conversion rate of the composite catalyst with Mo/Ce molar ratio of 0.3 reaches 75%at the denitration reaction temperature of 400℃.Monazite increases the specific surface area of the catalyst.The loaded metal oxides are uniformly dispersed on the monazite surface,resulting in the coexistence of Ce3+/Ce4+and Mo5+/Mo6+and promoting electron transfer to generate oxygen vacancy and unsaturated chemical bonds,which is in favor of the increase of the active site on the monazite surface.Compared with pure monazite,the redox property and the adsorption and activation capacity of NH3of the composite catalyst have been improved mainly in the high temperature range,with a relatively small improvement in the denitration efficiency in the low temperature section.
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Basic Information:
DOI：
Chinese Library Classification Number:TD983[矿业工程—选矿]
Citation Information:
The catalyst of molybdenum oxide-loaded monazite was prepared by impregnation method,and tests for its characterization and NH3-SCR denitration performance were carried out.The results show that the NO conversion rate of the composite catalyst with Mo/Ce molar ratio of 0.3 reaches 75%at the denitration reaction temperature of 400℃.Monazite increases the specific surface area of the catalyst.The loaded metal oxides are uniformly dispersed on the monazite surface,resulting in the coexistence of Ce3+/Ce4+and Mo5+/Mo6+and promoting electron transfer to generate oxygen vacancy and unsaturated chemical bonds,which is in favor of the increase of the active site on the monazite surface.Compared with pure monazite,the redox property and the adsorption and activation capacity of NH3of the composite catalyst have been improved mainly in the high temperature range,with a relatively small improvement in the denitration efficiency in the low temperature section.
quote
| GB/T 7714-2015 | [1] WANG Ying, ZHAO Ran, ZHANG Kai, et al. Study on Preparation and NH3-SCR Denitration Performance of Molybdenum Oxide-Loaded Monazite Catalytic Materials[J]. Rare Metals and Cemented Carbides, 2023(1): 40-46. |
| MLA | [1] WANG Ying, et al., "Study on Preparation and NH3-SCR Denitration Performance of Molybdenum Oxide-Loaded Monazite Catalytic Materials." Rare Metals and Cemented Carbides, no. 1, 2023, pp. 40-46. |
| APA | [1] WANG Ying, ZHAO Ran, ZHANG Kai, & WU Wen-fei. (2023). Study on Preparation and NH3-SCR Denitration Performance of Molybdenum Oxide-Loaded Monazite Catalytic Materials. Rare Metals and Cemented Carbides(1), 40-46. |
| IEEE | [1] WANG Ying, ZHAO Ran, ZHANG Kai, and WU Wen-fei, "Study on Preparation and NH3-SCR Denitration Performance of Molybdenum Oxide-Loaded Monazite Catalytic Materials," Rare Metals and Cemented Carbides, no. 1, pp. 40-46, 2023. keywords: {composite catalyst;monazite;molybdenum oxide;denitration performance;Mo/Mocoexistence;Ce/Cecoexistence} |