Non-noble metal catalyst for carbon monoxide selective oxidation in excess hydrogen
文献类型：期刊论文
| 作者 | Zhou, GL; Jiang, Y; Xie, HM; Qiu, FL |
| 刊名 | Chemical engineering journal
 |
| 出版日期 | 2005-05-01 |
| 卷号 | 109期号:1-3页码:141-145 |
| 关键词 | Selective oxidation Carbon monoxide Excess hydrogen Activated carbon Non-noble metal catalyst |
| ISSN号 | 1385-8947 |
| DOI | 10.1016/j.cej.2005.04.006 |
| 通讯作者 | Qiu, fl() |
| 英文摘要 | The present work investigates the catalytic properties of the ni, co and co-ni supported activated carbon (ac) catalysts for the selective oxidation of carbon monoxide in an excess hydrogen gas. the results shows that co/ac and co-ni/ac exhibit a higher catalytic activity than ni/ac, meanwhile, co-ni/ac gives a high co conversion in a wide reaction temperature region of 130-150 degrees c, the co conversion can reach up to above 99.5%. the x-ray power diffraction (xrd) and x-ray photoelectron spectroscopy (xps) characterizations show that co3o4 is the main cobalt oxide phase in co/ac and co-ni/ac catalysts. the xrd and temperature-programmed reduction (tpr) results indicate that co3o4 species of co-ni/ac exhibits a higher dispersion than that on co/ac. based on the xps results, the function of nickel oxide in co-ni/ac is to enrich co3o4 species, and decrease the electronic cloud density of cobalt. therefore, we conclude that co3o4 species is an important catalytic active center, the higher activity of co-ni/ac in comparison with co/ac is attributed to the higher dispersion of active co3o4 species and the lower electronic cloud density of cobalt on the surface of co-ni/ac. (c) 2005 elsevier b.v. all rights reserved. |
| WOS关键词 | TEMPERATURE CO OXIDATION ; FUEL-CELL APPLICATIONS ; COPPER-OXIDE CATALYST ; RICH STREAM ; SUPPORTED CATALYSTS ; OXYGEN VACANCY ; TRANSITION ; REDUCTION ; PLATINUM ; VEHICLES |
| WOS研究方向 | Engineering |
| WOS类目 | Engineering, Environmental ; Engineering, Chemical |
| 语种 | 英语 |
| WOS记录号 | WOS:000229737600014 |
| 出版者 | ELSEVIER SCIENCE SA |
| URI标识 | http://www.irgrid.ac.cn/handle/1471x/2378171 |
| 专题 | 中国科学院大学 |
| 通讯作者 | Qiu, FL |
| 作者单位 | 1.Chinese Acad Sci, Chengdu Inst Organ Chem, Chengdu 610041, Peoples R China 2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China 3.Sichuan Acad Agr Sci, Soil & Fertilizer Inst, Chengdu 610066, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zhou, GL,Jiang, Y,Xie, HM,et al. Non-noble metal catalyst for carbon monoxide selective oxidation in excess hydrogen[J]. Chemical engineering journal,2005,109(1-3):141-145. |
| APA | Zhou, GL,Jiang, Y,Xie, HM,&Qiu, FL.(2005).Non-noble metal catalyst for carbon monoxide selective oxidation in excess hydrogen.Chemical engineering journal,109(1-3),141-145. |
| MLA | Zhou, GL,et al."Non-noble metal catalyst for carbon monoxide selective oxidation in excess hydrogen".Chemical engineering journal 109.1-3(2005):141-145. |
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来源：中国科学院大学
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