能源化学(英文版)

能源化学(英文) ›› 2003, Vol. 12 ›› Issue (3): 189-194.

• Articles • 上一篇    下一篇

Kinetics of Carbon Deposition on Hexaaluminate LaNiAl11O19 Catalyst During CO2 Reforming of Methane

Zhanlin Xu, Shuyong Jia, Lina Zhao, Yurong Ren, Yan Liu, Yingli Bi, Kaiji Zhen   

  1. 1 College of Chemistry, Jilin Normal University, Siping 136000, China;
  • 出版日期:2003-09-30 发布日期:2003-09-30

Kinetics of Carbon Deposition on Hexaaluminate LaNiAl11O19 Catalyst During CO2 Reforming of Methane

Zhanlin Xu, Shuyong Jia, Lina Zhao, Yurong Ren, Yan Liu, Yingli Bi, Kaiji Zhen   

  • Online:2003-09-30 Published:2003-09-30

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摘要： In this paper, the properties of carbon deposited on hexaaluminate LaNiAl11O19 catalyst were characterized by X-ray photoelectron spectroscopy (XPS), and in the meantime, the amount of carbon deposited on the catalyst, after both CH4 decomposition and CO2 reforming of CH4, was de- termined by means of thermogravimetric analysis (TGA), respectively. The rates of carbon deposited on the catalyst were also investigated and the apparent kinetic equation of CO2 reforming of CH4: vc = kp0:72(CH4)p-0.55(CO2), established by analyzing the relation between the rates of deposited carbon and the pressure ratio of CH4 and CO2.

关键词: methane, decomposition, carbon dioxide, reforming, carbon deposition, hexaaluminate LaNiAl11O19, kinetics

Abstract: In this paper, the properties of carbon deposited on hexaaluminate LaNiAl11O19 catalyst were characterized by X-ray photoelectron spectroscopy (XPS), and in the meantime, the amount of carbon deposited on the catalyst, after both CH4 decomposition and CO2 reforming of CH4, was de- termined by means of thermogravimetric analysis (TGA), respectively. The rates of carbon deposited on the catalyst were also investigated and the apparent kinetic equation of CO2 reforming of CH4: vc = kp0:72(CH4)p-0.55(CO2), established by analyzing the relation between the rates of deposited carbon and the pressure ratio of CH4 and CO2.

Key words: methane, decomposition, carbon dioxide, reforming, carbon deposition, hexaaluminate LaNiAl11O19, kinetics