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Effect of Zr promoter on catalytic performance of Co/AC catalyst for F-T synthesis
Wang, T; Ding, YJ; Xiong, JM; Chen, WM; Yin, HM; He, DP; Yan, L; Lin, LW
关键词Zirconium Cobalt Activated Carbon Fischer-tropsch Synthesis Carbon Monoxide Hydrogenation
刊名CHINESE JOURNAL OF CATALYSIS
2005-03-01
26期:3页:178-182
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Applied ; Chemistry, Physical ; Engineering, Chemical
研究领域[WOS]Chemistry ; Engineering
关键词[WOS]FISCHER-TROPSCH SYNTHESIS ; ZIRCONIA-MODIFIED ALUMINA ; COBALT CATALYSTS ; XPS
英文摘要The effect of Zr promoter on the catalytic performance of activated carbon (AC) supported cobalt catalyst for Fischer-Tropsch synthesis was investigated by means of CO hydrogenation, XRD, TEM, temperature-programmed reduction (TPR) and temperature-programmed surface reaction (TPSR). XRD results showed that the dispersion of Co/AC was enhanced with the addition of Zr. Weak CoO diffraction peaks were observed in the XRD patterns of the reduced and passivated catalysts. However, some peaks ascribed to fcc and hcp Co appeared after 50 h on stream in F-T synthesis, and the peak intensity decreased with the increase in Zr loading. TEM results showed that the average size of Co particles of reduced 15% Co/AC was about 20 nm, while that of reduced 15% Co-6% Zr/AC was 10 nm. Correlating the XRD and TEM results with the catalytic performance, it can be proposed that the higher the Co dispersion of the catalyst was, the higher its activity was. TPR and TPSR results confirmed the above conclusion.
语种英语
WOS记录号WOS:000228407300004
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被引频次:7[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/139835
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Liaoning, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
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GB/T 7714
Wang, T,Ding, YJ,Xiong, JM,et al. Effect of Zr promoter on catalytic performance of Co/AC catalyst for F-T synthesis[J]. CHINESE JOURNAL OF CATALYSIS,2005,26(3):178-182.
APA Wang, T.,Ding, YJ.,Xiong, JM.,Chen, WM.,Yin, HM.,...&Lin, LW.(2005).Effect of Zr promoter on catalytic performance of Co/AC catalyst for F-T synthesis.CHINESE JOURNAL OF CATALYSIS,26(3),178-182.
MLA Wang, T,et al."Effect of Zr promoter on catalytic performance of Co/AC catalyst for F-T synthesis".CHINESE JOURNAL OF CATALYSIS 26.3(2005):178-182.
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