Dynamics of topochemical reactions in supported iron Fischer–Tropsch synthesis catalysts during their reduction in flowing CO and CO + H2

被引:0
|
作者
P. A. Chernavskii
V. O. Kazak
G. V. Pankina
V. V. Lunin
机构
[1] Moscow State University,Faculty of Chemistry
来源
Kinetics and Catalysis | 2016年 / 57卷
关键词
reduction; magnetization; catalyst; magnetite; Hägg carbide;
D O I
暂无
中图分类号
学科分类号
摘要
The reduction of Fe2O3/SiO2 catalysts in flowing CO and CO + H2 in the temperature-programmed and isothermal modes has been investigated by in situ magnetization measurements. The process takes place in two steps, successively yielding magnetite and Hägg carbide. The carbide concentration in the case of reduction with CO is higher than in the case of reduction with the CO + H2. This is assumed to be due to the formation of Fe2SiO4 in the reduction of the catalysts with CO + H2.
引用
收藏
页码:333 / 338
页数:5
相关论文
共 50 条
  • [21] Fischer-Tropsch Synthesis: Impact of H2 or CO Activation on Methane Selectivity
    Yang, Jia
    Jacobs, Gary
    Jermwongratanachai, Thani
    Pendyala, Venkat Ramana Rao
    Ma, Wenping
    Chen, De
    Holmen, Anders
    Davis, Burtron H.
    CATALYSIS LETTERS, 2014, 144 (01) : 123 - 132
  • [22] Promoter effect on the CO2-H2O formation during Fischer-Tropsch synthesis on iron-based catalysts
    Ali Nakhaei Pour
    Seyed Mehdi Kamali Shahri
    Yahya Zamani
    Akbar Zamanian
    Journal of Natural Gas Chemistry , 2010, (02) : 193 - 197
  • [23] Promoter effect on the CO2-H2O formation during Fischer-Tropsch synthesis on iron-based catalysts
    Pour, Ali Nakhaei
    Shahri, Seyed Mehdi Kamali
    Zamani, Yahya
    Zamanian, Akbar
    JOURNAL OF NATURAL GAS CHEMISTRY, 2010, 19 (02): : 193 - 197
  • [24] Kinetics of Fischer-Tropsch synthesis on supported cobalt: Effect of temperature on CO and H2 partial pressure dependencies
    Keyvanloo, Kamyar
    Lanham, Steven J.
    Hecker, William C.
    CATALYSIS TODAY, 2016, 270 : 9 - 18
  • [25] Fe, Co and Fe/Co catalysts supported on SBA-15 for Fischer-Tropsch Synthesis
    Toncon-Leal, C. F.
    Munera, J. F.
    Arroyo-Gomez, J. J.
    Sapag, K.
    CATALYSIS TODAY, 2022, 394 : 150 - 160
  • [26] Studies with a precipitated iron Fischer-Tropsch catalyst reduced by H2 or CO.
    Bian, G
    Oonuki, A
    Fujishita, N
    Koizumi, N
    Nomoto, H
    Yamada, M
    ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 2002, 223 : U574 - U574
  • [27] The deactivation of Co/SiO2 catalyst for Fischer-Tropsch synthesis at different ratios of H2 to CO
    Zhou, Wei
    Chen, Jian-Gang
    Fang, Ke-Gong
    Sun, Yu-Han
    FUEL PROCESSING TECHNOLOGY, 2006, 87 (07) : 609 - 616
  • [28] Pathways for CO2 formation and conversion during Fischer-Tropsch synthesis on iron-based catalysts
    Krishnamoorthy, S
    Li, AW
    Iglesia, E
    CATALYSIS LETTERS, 2002, 80 (1-2) : 77 - 86
  • [29] Fischer–Tropsch principles of co-hydrogenation on iron catalysts
    Hans Schulz
    Thomas Riedel
    Georg Schaub
    Topics in Catalysis, 2005, 32 : 117 - 124
  • [30] Effects of manganese oxide promoter on the CO and H2 adsorption properties of titania-supported cobalt Fischer-Tropsch catalysts
    Morales, Fernando
    de Smit, Emiel
    de Groot, Frank M. F.
    Visser, Tom
    Weckhuysen, Bert M.
    JOURNAL OF CATALYSIS, 2007, 246 (01) : 91 - 99