Citation: YANG Fan, ZHANG Jing, WU Wei-Cheng. Hydrogenation Study of Benzene over a Mo₂C/γ-Al₂O₃ Catalyst by In situ IR Spectroscopy[J]. Acta Physico-Chimica Sinica, ;2014, 30(5): 943-949. doi: 10.3866/PKU.WHXB201403213 shu

Hydrogenation Study of Benzene over a Mo₂C/γ-Al₂O₃ Catalyst by In situ IR Spectroscopy

1.
1 College of Petroleum Engineering, Liaoning Shihua University, Fushun 113001, Liaoning Province, P. R. China;
2 School of Chemistry and Materials Science, Liaoning Shihua University, Fushun 113001, Liaoning Province, P. R. China

Received Date: 10 February 2014
Available Online: 21 March 2014
Fund Project:

Passivated, reduced passivated, and fresh Mo₂C/γ-Al₂O₃ catalysts were prepared by temperatureprogrammed reactions with a CH₄/H₂ gas mixture. The results of in situ infrared (IR) analysis revealed that the fresh Mo₂C/γ-Al₂O₃ catalyst displayed the highest level of activity at room temperature, with cyclohexane being detected as the only product. The activity of molybdenum carbide in this reaction was comparable to that of the noble metals. The results from the in situ IR spectra for CO adsorbed onto the fresh Mo₂C/γ-Al₂O₃ catalyst before and after the hydrogenation of benzene showed that Mo₂C was active for the hydrotreating processes and Mo^δ+ (0<δ<2) was the active center for the hydrogenation of benzene. The activities of the three different catalysts for the hydrogenation of benzene were studied, and the results revealed that fresh Mo₂C/γ-Al₂O₃ was the most active catalyst.
- In situ IR spectroscopy,
- Hydrogenation of benzene,
- Mo₂C/γ-Al₂O₃,
- CO adsorption,
- Active center
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沈阳化工大学材料科学与工程学院沈阳 110142

Hydrogenation Study of Benzene over a Mo2C/γ-Al2O3 Catalyst by In situ IR Spectroscopy

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通讯作者: 陈斌, bchen63@163.com

Hydrogenation Study of Benzene over a Mo₂C/γ-Al₂O₃ Catalyst by In situ IR Spectroscopy