globalchange  > 气候减缓与适应
DOI: 10.1016/j.jcou.2017.07.005
Scopus记录号: 2-s2.0-85026348548
论文题名:
The anti-sintering catalysts: Fe–Co–Zr polymetallic fibers for CO2 hydrogenation to C2 = –C4 = –rich hydrocarbons
作者: Li W.; Zhang A.; Jiang X.; Janik M.J.; Qiu J.; Liu Z.; Guo X.; Song C.
刊名: Journal of CO2 Utilization
ISSN: 22129820
出版年: 2018
卷: 23
起始页码: 219
结束页码: 225
语种: 英语
英文关键词: C2 =-C4 =-Rich hydrocarbons ; CO2 Hydrogenation ; Fe-Co-Zr Fibers ; K Promotion ; Metal sintering
Scopus关键词: Carbon dioxide ; Catalyst selectivity ; Catalysts ; Cobalt alloys ; Electrospinning ; Fibers ; Hydrocarbons ; Hydrogenation ; Impregnation ; Iron alloys ; Potassium alloys ; Sintering ; Spinning (fibers) ; Ternary alloys ; Zirconium ; Zirconium alloys ; CO2 hydrogenation ; Electrospinning techniques ; K promotion ; Metal sintering ; Potassium addition ; Reaction period ; Stable activity ; Turnover frequency ; Catalyst supports
英文摘要: Polymetallic fibers of 13Fe2Co/ZrO2 and 13Fe2Co100Zr were prepared by impregnation and an in situ electrospinning technique. The iron, cobalt and zirconium components in the 13Fe2Co100Zr catalyst are more dispersed than the impregnation one, as indicated by SEM/EDS, TEM, XRD, H2-TPR and N2 adsorption techniques. CO2 conversion increased by a factor of 2 and the selectivity to C2 + hydrocarbons increased 15 times on the 13Fe2Co100Zr polymetallic fibers compared with the 13Fe2Co/ZrO2 supported catalyst. The 0.18 s−1 TOF (turnover frequency) of the polymetallic fibers exceeded that of the supported catalyst (0.12 s−1). Potassium addition to the 13Fe2Co100Zr catalyst further improved the selectivity to C2 =–C4 =, which increased to 27.5% on a 10K13Fe2Co100Zr catalyst. The polymetallic fibers showed stable activity over the reaction period. The activity of the 13Fe2Co/ZrO2 catalyst, however, decreased rapidly due to metal sintering as observed with TEM and XRD. The in situ electrospinning technique can effectively prevent metal sintering and provide high CO2 conversion efficiency. © 2017 Elsevier Ltd
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/112002
Appears in Collections:气候减缓与适应

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作者单位: State Key Laboratory of Fine Chemicals, PSU-DUT Joint Center for Energy Research, School of Chemical Engineering, Dalian University of Technology, Dalian, 116024, China; Clean Fuels & Catalysis Program, PSU-DUT Joint Center for Energy Research, EMS Energy Institute, Departments of Energy and Mineral Engineering and of Chemical Engineering, The Pennsylvania State University, University Park, PA 16802, United States; National Engineering Laboratory for Methanol to Olefins, Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China

Recommended Citation:
Li W.,Zhang A.,Jiang X.,等. The anti-sintering catalysts: Fe–Co–Zr polymetallic fibers for CO2 hydrogenation to C2 = –C4 = –rich hydrocarbons[J]. Journal of CO2 Utilization,2018-01-01,23
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