Citation: ZHANG Shu-jiao, LI Wen-ying, LI Xiao-hong. Effect of preparation methods on the catalytic properties of Fe₂O₃/Al₂O₃-ZrO₂ for ethylbenzene dehydrogenation[J]. Journal of Fuel Chemistry and Technology, ;2015, 43(4): 437-441. shu

Effect of preparation methods on the catalytic properties of Fe₂O₃/Al₂O₃-ZrO₂ for ethylbenzene dehydrogenation

ZHANG Shu-jiao ^1,2 ,
LI Wen-ying ^1,2,, ,
LI Xiao-hong ^1,2

1.
1. Key Laboratory of Coal Science and Technology (Taiyuan University of Technology), Ministry of Education and Shanxi Province, Taiyuan 030024, China;

Corresponding author: LI Wen-ying,
Received Date: 17 December 2014

Fund Project: 山西省归国留学人员科技项目(2012-3) (2012-3)高等学校博士学科点专项科研基金(20121402110016)。 (20121402110016)

To improve the catalytic performance of iron-based catalysts for dehydrogenation of ethylbenzene with CO₂, two samples, F4AZ10-imp and F4AZ10-pre, with the same contents of Fe, Al and Zr were prepared by the impregnation method and one-step precipitation method. The catalytic performance of these two samples for the dehydrogenation of ethylbenzene with CO₂ was tested at 550 ℃. Both the samples are characterized with XRD, NH₃-TPD, CO₂-TPD and H₂-TPR techniques and N₂ sorption experiment. It was shown that the preparation methods had a great effect on the catalytic performance. Compared to the impregnation method, the one-step precipitation method gave a more active catalyst because of a higher dispersion of active Fe₂O₃ on the catalyst surface and a stronger activation of CO₂.
- preparation method,
- Fe₂O₃/Al₂O₃-ZrO₂ catalysts,
- ethylbenzene,
- carbon dioxide,
- dehydrogenation
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Effect of preparation methods on the catalytic properties of Fe2O3/Al2O3-ZrO2 for ethylbenzene dehydrogenation

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Effect of preparation methods on the catalytic properties of Fe₂O₃/Al₂O₃-ZrO₂ for ethylbenzene dehydrogenation