Effects of cr promoter on structure and fischer-tropsch synthesis performance over fe-based catalysts
文献类型：期刊论文
| 作者 | Wang Hulin1,2; Yang Yong1; Wang Hong1,2; Qing Ming1,2; Xiang Hongwei1; Li Yongwang1 |
| 刊名 | Chinese journal of catalysis
 |
| 出版日期 | 2010-07-01 |
| 卷号 | 31期号:7页码:809-816 |
| 关键词 | Fischer-tropsch synthesis Iron-based catalyst Chromium promoter Solid solution Fixed-bed reactor |
| ISSN号 | 0253-9837 |
| DOI | 10.3724/sp.j.1088.2010.91246 |
| 通讯作者 | Wang hulin() |
| 英文摘要 | The effects of promoter cr content in the fe-based fischer-tropsch synthesis (fts) catalysts on the textural properties, reduction behavior, and phase transformation of the catalysts during reduction and reaction were investigated by n(2) adsorption, x-ray diffraction, mossbauer spectroscopy, x-ray photoelectron spectroscopy, h(2) differential thermogravimetric analysis, and co temperature-programmed reduction over the coprecipitated fe-based catalysts. the fts performance of the fe-based catalysts promoted with cr was studied in a fixed-bed reactor under the conditions of h(2)/co = 2.0, 260-300 degrees c, 1.5 mpa, and 2 000 ml/(g.h). the results showed that the strong interaction existed between fe and cr species by the formation of fe-cr solid solution, alpha-(fe(1-x)cr(x))(2)o(3). with the increase of promoter cr content in the fe-based catalysts, the phases of the catalysts gradually transformed to the fe-rich phase and cr-rich phase. because the fe-cr solid solution strongly inhibited the reduction of the catalyst, cr-promoted fe-based catalysts exhibited low activity due to its lower extents of both reducibility and carburization. the promoter cr enhanced the formation of methane and light hydrocarbon products but inhibited the activity of water-gas-shift reaction. |
| WOS关键词 | IRON-MANGANESE CATALYST ; PRECURSORS ; REDUCTION ; CHROMIUM |
| 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:000280868900016 |
| 出版者 | SCIENCE CHINA PRESS |
| URI标识 | http://www.irgrid.ac.cn/handle/1471x/2405456 |
| 专题 | 中国科学院大学 |
| 通讯作者 | Wang Hulin |
| 作者单位 | 1.Chinese Acad Sci, Shanxi 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 Hulin,Yang Yong,Wang Hong,et al. Effects of cr promoter on structure and fischer-tropsch synthesis performance over fe-based catalysts[J]. Chinese journal of catalysis,2010,31(7):809-816. |
| APA | Wang Hulin,Yang Yong,Wang Hong,Qing Ming,Xiang Hongwei,&Li Yongwang.(2010).Effects of cr promoter on structure and fischer-tropsch synthesis performance over fe-based catalysts.Chinese journal of catalysis,31(7),809-816. |
| MLA | Wang Hulin,et al."Effects of cr promoter on structure and fischer-tropsch synthesis performance over fe-based catalysts".Chinese journal of catalysis 31.7(2010):809-816. |
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来源：中国科学院大学
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