Effect of calcination temperature on the reduction kinetics of iron-based fischer-tropsch catalyst
文献类型：期刊论文
| 作者 | Wang Hong1,2; Yang Yong1; Wu Baoshan1; Xu Jian1; Wang Hulin1,2; Ding Mingyue1,2; Xiang Hongwei1; Li Yongwang1 |
| 刊名 | Chinese journal of catalysis
 |
| 出版日期 | 2009-11-01 |
| 卷号 | 30期号:11页码:1101-1108 |
| 关键词 | Fischer-tropsch synthesis Iron-based catalyst Calcination temperature Reduction kinetics Apparent activation energy |
| ISSN号 | 0253-9837 |
| 通讯作者 | Wang hong() |
| 英文摘要 | A typical iron-based fischer-tropsch catalyst was prepared by the combination of precipitation and spray drying. the catalyst was then calcined at different temperatures. the textural properties and the crystal structure of the calcined catalyst samples were characterized by n(2) adsorption and mossbauer effect spectroscopy, respectively. the thermogravimetric analysis was employed to follow the reduction process of the catalysts. the experimental data were then regressed using gas-solid reaction models. the results indicated that the reduction process of the catalysts calcined at 300-600 degrees c could be described by the same models. the reduction of alpha-fe(2)o(3) to fe(3)o(4) was regressed by the 1-dimentional formation and growth of nuclei model, and the reduction of fe(3)o(4) to alpha-fe was controlled by the 2-dimentional formation and growth of nuclei model. the reduction of the catalyst calcined at 700 degrees c was influenced by both the formation and growth of nuclei model and the shrinking core model. with the increase of the calcination temperature, the reduction capability of the catalysts decreased and the apparent activation energy increased, being due to the increase of the crystal size and the decrease of the lattice defects in the catalysts. |
| WOS关键词 | ACTIVATION ; PARTICLES ; OXIDES ; H-2 |
| WOS研究方向 | Chemistry ; Engineering |
| WOS类目 | Chemistry, Applied ; Chemistry, Physical ; Engineering, Chemical |
| 语种 | 英语 |
| WOS记录号 | WOS:000272577400006 |
| 出版者 | SCIENCE PRESS |
| URI标识 | http://www.irgrid.ac.cn/handle/1471x/2402297 |
| 专题 | 中国科学院大学 |
| 通讯作者 | Wang Hong |
| 作者单位 | 1.Chinese Acad Sci, Inst Coal Chem, State Key Lab Coal Convers, Taiyuan 030001, Shanxi, Peoples R China 2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China |
| 推荐引用方式 GB/T 7714 | Wang Hong,Yang Yong,Wu Baoshan,et al. Effect of calcination temperature on the reduction kinetics of iron-based fischer-tropsch catalyst[J]. Chinese journal of catalysis,2009,30(11):1101-1108. |
| APA | Wang Hong.,Yang Yong.,Wu Baoshan.,Xu Jian.,Wang Hulin.,...&Li Yongwang.(2009).Effect of calcination temperature on the reduction kinetics of iron-based fischer-tropsch catalyst.Chinese journal of catalysis,30(11),1101-1108. |
| MLA | Wang Hong,et al."Effect of calcination temperature on the reduction kinetics of iron-based fischer-tropsch catalyst".Chinese journal of catalysis 30.11(2009):1101-1108. |
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来源：中国科学院大学
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