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| Nitration Poisoning of Silver on Al2O3 for the Catalytic Oxidation of Soot in NOR-Containing Atmospheres | |
| Gao, Yuxi1,2; Jin, Baofang1,3; Xi, Zhenyu1; Li, Zhenguo4; Wu, Xiaodong1; Ran, Rui1; Si, Zhichun5; Weng, Duan1 | |
| 2022-10-24 | |
| Source Publication | INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
 |
| ISSN | 0888-5885 |
| Pages | 7 |
| Abstract | Silver-based catalysts are promising candidates for soot oxidation because of their good catalytic performances and low costs compared with platinum catalysts. NO2 acts as a strong agent for the oxidation of soot over Pt/Al2O3. However, an abnormal inhibition effect of NOx was observed over the Ag/Al2O3 catalyst during the processes of soot temperature programmed oxidation and transient reaction analysis. The formation of silver nitrates was confirmed by temperature-programmed decomposition of NOx, ultraviolet-visible spectroscopy, and temperature-programmed reduction with H2. The intrinsic reactivity of silver nitrate was found to be much lower than that of metallic silver in '' loose '' and '' tight '' contacts between soot and catalyst. Moreover, the formed silver nitrate was relatively thermally stable, with the decomposition completed at around 450 degrees C. At higher temperatures, the catalyst recovered and the nitrate poisoning effect no longer worked. |
| DOI | 10.1021/acs.iecr.2c02326 |
| Language | 英语 |
| WOS Keyword | COMBUSTION ; CEO2 ; PERFORMANCE ; STABILITY ; AG/CEO2 ; SITES ; OXIDE ; O-2 |
| Funding Project | Key Laboratory of Advanced Materials of Ministry of Education of China[ADV22- 18] ; National Natural Science Foundation of China[21906091] ; Mobile Source Emission Control Technology[NELMS2020A08] |
| WOS Research Area | Engineering |
| WOS Subject | Engineering, Chemical |
| Funding Organization | Key Laboratory of Advanced Materials of Ministry of Education of China ; National Natural Science Foundation of China ; Mobile Source Emission Control Technology |
| WOS ID | WOS:000877097100001 |
| Publisher | AMER CHEMICAL SOC |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.ipe.ac.cn/handle/122111/55447 |
| Collection | 中国科学院过程工程研究所 |
| Corresponding Author | Wu, Xiaodong |
| Affiliation | 1.Tsinghua Univ, Sch Mat Sci & Engn, Key Lab Adv Mat, Minist Educ China, Beijing 100084, Peoples R China 2.BOE Technol Grp Co Ltd, Beijing 100176, Peoples R China 3.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China 4.China Automot Technol & Res Ctr, Natl Engn Lab Mobile Source Emiss Control Technol, Tianjin 300300, Peoples R China 5.Tsinghua Univ, Adv Mat Inst, Grad Sch Shenzhen, Shenzhen 518055, Peoples R China |
| Recommended Citation GB/T 7714 | Gao, Yuxi,Jin, Baofang,Xi, Zhenyu,et al. Nitration Poisoning of Silver on Al2O3 for the Catalytic Oxidation of Soot in NOR-Containing Atmospheres[J]. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,2022:7. |
| APA | Gao, Yuxi.,Jin, Baofang.,Xi, Zhenyu.,Li, Zhenguo.,Wu, Xiaodong.,...&Weng, Duan.(2022).Nitration Poisoning of Silver on Al2O3 for the Catalytic Oxidation of Soot in NOR-Containing Atmospheres.INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,7. |
| MLA | Gao, Yuxi,et al."Nitration Poisoning of Silver on Al2O3 for the Catalytic Oxidation of Soot in NOR-Containing Atmospheres".INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH (2022):7. |
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