Transformation of carbonaceous species and its influence on catalytic performance for iron-based Fischer-Tropsch synthesis catalyst
文献类型：期刊论文
| 作者 | Ding, Mingyue1,2 ; Yang, Yong1; Wu, Baoshan1; Wang, Tiejun2; Ma, Longlong2; Xiang, Hongwei1; Li, Yongwang1
|
| 刊名 | journal of molecular catalysis a-chemical
 |
| 出版日期 | 2011-12-01 |
| 卷号 | 351页码:165-173 |
| 关键词 | Transformation behavior Iron-based catalyst Carbonaceous species Iron carbides Mossbauer effect spectroscopy |
| 英文摘要 | transformation behavior of carbonaceous species over a precipitated iron-based fischer-tropsch synthesis (fts) catalyst was investigated by mossbauer effect spectroscopy (mes), x-ray photoelectron spectroscopy (xps), co temperature-programmed desorption (co-tpd), temperature-programmed hydrogenation (tph), high resolution transmission electron microscopy (hrtem) and diffuse reflectance infrared fourier transform spectroscopy (drifts). the catalytic activities were tested in a fixed bed reactor. it was found that during carburization the fresh catalyst was firstly reduced from alpha-fe(2)o(3) to fe(3)o(4), accompanied simultaneously with the formation of atomic (c(alpha)) and polymeric (c(beta)) carbonaceous species on the surface of the catalyst. with time on stream the fe(3)o(4) formed in the near-surface regions was converted gradually to chi-fe(5)c(2), and the amounts of c(alpha) and c(beta) species presented an increasing trend. subsequently, these species were combined partly together to form the graphitic-type (c(delta)) carbonaceous species, and the c(delta) species largely covered on the surface of iron carbides. the formation of iron carbides (especially for chi-fe(5)c(2)), c(alpha) and c(beta) species on the surface layers promoted the catalytic activity, whereas the c(delta) species formed restrained the active sites for fts reaction. (c) 2011 elsevier b.v. all rights reserved. |
| WOS标题词 | science & technology ; physical sciences |
| 类目[WOS] | chemistry, physical |
| 研究领域[WOS] | chemistry |
| 关键词[WOS] | manganese catalyst ; fe catalysts ; hydrogenation ; activation ; reduction ; spectroscopy ; behavior ; syngas |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000298127200020 |
| 源URL | [http://ir.giec.ac.cn/handle/344007/10342]  |
| 专题 | 中国科学院广州能源研究所 |
| 作者单位 | 1.Chinese Acad Sci, State Key Lab Coal Convers, Inst Coal Chem, Taiyuan 030001, Peoples R China 2.Chinese Acad Sci, Key Lab Renewable Energy & Gas Hydrate, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China |
| 推荐引用方式 GB/T 7714 | Ding, Mingyue,Yang, Yong,Wu, Baoshan,et al. Transformation of carbonaceous species and its influence on catalytic performance for iron-based Fischer-Tropsch synthesis catalyst[J]. journal of molecular catalysis a-chemical,2011,351:165-173. |
| APA | Ding, Mingyue.,Yang, Yong.,Wu, Baoshan.,Wang, Tiejun.,Ma, Longlong.,...&Li, Yongwang.(2011).Transformation of carbonaceous species and its influence on catalytic performance for iron-based Fischer-Tropsch synthesis catalyst.journal of molecular catalysis a-chemical,351,165-173. |
| MLA | Ding, Mingyue,et al."Transformation of carbonaceous species and its influence on catalytic performance for iron-based Fischer-Tropsch synthesis catalyst".journal of molecular catalysis a-chemical 351(2011):165-173. |
入库方式： OAI收割
来源：广州能源研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。