Catalytic oxidation of high-concentration CO over La0.9M0.1CoO3 (M = Ce, Sr) facilely promoted by glucose
文献类型：期刊论文
| 作者 | Teng, ZH2,3; Yun, JY3; Du, LB3; Huang JQ(黄俊钦)2; Hao, QL3; Dou, BJ3; Hui, KN1; Bin F(宾峰)2
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| 刊名 | NEW JOURNAL OF CHEMISTRY
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| 出版日期 | 2021-10-07 |
| 页码 | 12 |
| ISSN号 | 1144-0546 |
| DOI | 10.1039/d1nj04050b |
| 通讯作者 | Dou, Baojuan(bjdou@tust.edu.cn) ; Bin, Feng(binfeng@imech.ac.cn) |
| 英文摘要 | Glucose-free and glucose-containing LaCoO3(-G), La0.9Sr0.1CoO3(-G), and La0.9Ce0.1CoO3(-G) perovskite catalysts were synthesized via the sol-gel method, over which the oxidation performance of high-concentration CO was investigated. The experimental results indicate that the catalytic activity can be improved by facilely adding glucose during the preparation where glucose creates a reducing atmosphere and takes away the oxygen atoms of perovskites to form more oxygen vacancies and Co3+. CO self-sustained combustion is favorably achieved and La0.9Ce0.1CoO3-G shows the best catalytic performance. Combining the XPS, H-2-TPR, O-2-TPD and CO-TPD results, the outstanding performance of La0.9Ce0.1CoO3-G is mainly ascribed to the relatively higher concentrations of Co3+, Ce3+ and oxygen vacancies. The reaction was found to follow the Langmuir-Hinshelwood (L-H) mechanism by in situ IR spectroscopy and kinetic results. Furthermore, La0.9Ce0.1CoO3-G exhibits good high-temperature durability with unchanged CO conversion of 100% at 760 degrees C. It is suggested that the addition of glucose and the impregnation of Sr or Ce in perovskites is a feasible strategy to design industrial catalysts for CO self-sustained combustion. |
| 分类号 | 二类 |
| WOS关键词 | PEROVSKITE OXIDE CATALYSTS ; SELF-SUSTAINED COMBUSTION ; CARBON-MONOXIDE ; LA1-XSRXCOO3 PEROVSKITES ; LABO3 B ; LACOO3 ; SUBSTITUTION ; PERFORMANCE ; NO ; CU |
| 资助项目 | National Natural Science Foundation of China[51776216] ; Science and Technology Development Fund, Macau SAR[0191/2017/A3] ; University of Macau[MYRG2018-00192-IAPME] |
| WOS研究方向 | Chemistry |
| 语种 | 英语 |
| WOS记录号 | WOS:000711106900001 |
| 资助机构 | National Natural Science Foundation of China ; Science and Technology Development Fund, Macau SAR ; University of Macau |
| 其他责任者 | Dou, Baojuan ; Bin, Feng |
| 源URL | [http://dspace.imech.ac.cn/handle/311007/87771]  |
| 专题 | 力学研究所_高温气体动力学国家重点实验室 |
| 作者单位 | 1.Univ Macau, Inst Appl Phys & Mat Engn, Ave Univ, Taipa, Macau, Peoples R China 2.Chinese Acad Sci, Inst Mech, State Key Lab High Temp Gas Dynam, Beijing 100190, Peoples R China; 3.Tianjin Univ Sci & Technol, Tianjin 300457, Peoples R China; |
| 推荐引用方式 GB/T 7714 | Teng, ZH,Yun, JY,Du, LB,et al. Catalytic oxidation of high-concentration CO over La0.9M0.1CoO3 (M = Ce, Sr) facilely promoted by glucose[J]. NEW JOURNAL OF CHEMISTRY,2021:12. |
| APA | Teng, ZH.,Yun, JY.,Du, LB.,黄俊钦.,Hao, QL.,...&宾峰.(2021).Catalytic oxidation of high-concentration CO over La0.9M0.1CoO3 (M = Ce, Sr) facilely promoted by glucose.NEW JOURNAL OF CHEMISTRY,12. |
| MLA | Teng, ZH,et al."Catalytic oxidation of high-concentration CO over La0.9M0.1CoO3 (M = Ce, Sr) facilely promoted by glucose".NEW JOURNAL OF CHEMISTRY (2021):12. |
入库方式： OAI收割
来源：力学研究所
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