Effect of Ti4+ and Sn4+ co-incorporation on the catalytic performance of CeO2 -MnOx catalyst for low temperature NH3-SCR
文献类型：期刊论文
| 作者 | Chen, Li1,2; Yao, Xiaojiang1 ; Cao, Jun1; Yang, Fumo2,3; Tang, Changjin4; Dong, Lin4
|
| 刊名 | APPLIED SURFACE SCIENCE
 |
| 出版日期 | 2019-05-15 |
| 卷号 | 476页码:283-292 |
| 关键词 | CeO2-MnOx-TiO2-SnO2 catalyst Ti4+ and Sn4+ co-incorporation Low-temperature NH3-SCR Catalytic performance By-product N2O |
| ISSN号 | 0169-4332 |
| DOI | 10.1016/j.apsusc.2019.01.095 |
| 通讯作者 | Yao, Xiaojiang(yaoxj@cigit.ac.cn) ; Yang, Fumo(fmyang@scu.edu) |
| 英文摘要 | A novel Ti4+ and Sn4- co-incorporated CeO2-MnOx based catalyst was synthesized by an inverse co-precipitation method with the purpose of inhibiting the formation of N2O and enhancing the NOx conversion of CeO2-MnOx catalyst for NH3-SCR at low temperature. The obtained catalysts were characterized by a series of XRD, Raman, N-2-physisorption, NH3-TPD, H-2-TPR, XPS, and in situ DRIFTS techniques in details. The experiment results suggested that CeO2-MnOx-TiO2-SnO2 (Ce-Mn-Ti-Sn) catalyst displayed the optimal catalytic performance with an enhancement of 30% compared with CeO2-MnOx(Ce-Mn) in the range of 225-275 degrees C. Moreover, the N2O formation was inhibited remarkably compared to Ce-Mn (152 ppm), and there was no N2O (0 ppm) detected even at 250 degrees C. This is linked to moderate weakening of redox property, more generation of acid sites, enhancement of acidic strength, as well as large amount of Ce3+, oxygen vacancies, and absorbed oxygen species, which are contributed to improving the chemical property of Ce-Mn-Ti-Sn catalyst, and further enhancing the catalytic performance and inhibiting the generation of N2O. |
| 资助项目 | National Natural Science Foundation of China[21876168] ; National Natural Science Foundation of China[21507130] ; Chongqing Science & Technology Commission[cstc2016jcyjA0070] ; Chongqing Science & Technology Commission[cstckjcxljrc13] |
| WOS研究方向 | Chemistry ; Materials Science ; Physics |
| 语种 | 英语 |
| WOS记录号 | WOS:000459458600032 |
| 出版者 | ELSEVIER SCIENCE BV |
| 源URL | [http://119.78.100.138/handle/2HOD01W0/7453]  |
| 专题 | 大气环境研究中心 |
| 通讯作者 | Yao, Xiaojiang; Yang, Fumo |
| 作者单位 | 1.Chinese Acad Sci, Res Ctr Atmospher Environm, Chongqing Inst Green & Intelligent Technol, Chongqing 400714, Peoples R China 2.Chongqing Univ, Sch Urban Construct & Environm Engn, Chongqing 400045, Peoples R China 3.Sichuan Univ, Natl Engn Res Ctr Flue Gas Desulfurizat, Sch Architecture & Environm, Chengdu 610065, Sichuan, Peoples R China 4.Nanjing Univ, Ctr Modern Anal, Jiangsu Key Lab Vehicle Emiss Control, Nanjing 210093, Jiangsu, Peoples R China |
| 推荐引用方式 GB/T 7714 | Chen, Li,Yao, Xiaojiang,Cao, Jun,et al. Effect of Ti4+ and Sn4+ co-incorporation on the catalytic performance of CeO2 -MnOx catalyst for low temperature NH3-SCR[J]. APPLIED SURFACE SCIENCE,2019,476:283-292. |
| APA | Chen, Li,Yao, Xiaojiang,Cao, Jun,Yang, Fumo,Tang, Changjin,&Dong, Lin.(2019).Effect of Ti4+ and Sn4+ co-incorporation on the catalytic performance of CeO2 -MnOx catalyst for low temperature NH3-SCR.APPLIED SURFACE SCIENCE,476,283-292. |
| MLA | Chen, Li,et al."Effect of Ti4+ and Sn4+ co-incorporation on the catalytic performance of CeO2 -MnOx catalyst for low temperature NH3-SCR".APPLIED SURFACE SCIENCE 476(2019):283-292. |
入库方式： OAI收割
来源：重庆绿色智能技术研究院
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