Citation: GUO Tian-yu, LIU Su-yao, QING Ming, FENG Jing-li, Lü Zhen-gang, WANG Hong, YANG Yong. In situ XRD study of the effect of H₂O on Fe₅C₂ phase and Fischer-Tropsch performance[J]. Journal of Fuel Chemistry and Technology, ;2020, 48(1): 75-82. shu

In situ XRD study of the effect of H₂O on Fe₅C₂ phase and Fischer-Tropsch performance

GUO Tian-yu ^1,2 ,
LIU Su-yao ³ ,
QING Ming ³ ,
FENG Jing-li ³ ,
Lü Zhen-gang ³ ,
WANG Hong ³ ,
YANG Yong ^1,3,,

1.
State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, China
2.
University of Chinese Academy of Sciences, Beijing 100049, China
3.
National Energy Center for Coal to Liquids, Synfuels China Co. Ltd, Beijing 101407, China

Corresponding author: YANG Yong, yyong@sxicc.ac.cn
Received Date: 27 September 2019
Revised Date: 22 October 2019

Figures(14)

In situ XRD reaction device combined with the online gas chromatography was used to study the oxidation behavior of the effect of H₂O content (4.36%, 1.68%, 0.56%) on the phase and Fischer-Tropsch synthesis (FTS) performance of the single phase Fe₅C₂. The results show that the oxidation rate of the Fe₅C₂ phase increases with the increase of the content of injected H₂O. Meanwhile, the particle size of Fe₅C₂ phase decreases and more active sites exposes during the H₂O oxidation, resulting in the increase of the FTS activity. Furthermore, the FTS activity increases with the increase of the oxidation times, but the selectivity of CH₄ increases and the C₅₊ selectivity decreases gradually.
- Fe₅C₂,
- H₂O oxidation,
- in situ XRD,
- Fischer-Tropsch synthesis
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In situ XRD study of the effect of H2O on Fe5C2 phase and Fischer-Tropsch performance

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In situ XRD study of the effect of H₂O on Fe₅C₂ phase and Fischer-Tropsch performance