高等学校化学学报 ›› 1997, Vol. 18 ›› Issue (8): 1372.

• 研究简报 • 上一篇    下一篇

甲烷氧化偶联反应稀土催化剂表面活性氧种的研究

谢卫国, 吕绍洁, 邱发礼   

  1. 中国科学院成都有机化学研究所天然气转化国家工程研究中心, 成都 610041
  • 收稿日期:1996-06-20 出版日期:1997-08-24 发布日期:1997-08-24
  • 通讯作者: 谢卫国, 男, 31岁, 硕士, 副研究员.
  • 作者简介:谢卫国, 男, 31岁, 硕士, 副研究员.
  • 基金资助:

    国家“八五”重点科技攻关项目

Studies of Active Oxygen Species on the Surface of Rare Earth Oxide Catalysts for Oxidative Coupling of Methane

XIE Wei-Guo, LU Shao-Jie, QIU Fa-Li   

  1. National Engineering Research Center for Natural Gas Conversion, Chengdu Institute of Organic Chemistry. Chinese Academy of Sciences, Chengdu 610041
  • Received:1996-06-20 Online:1997-08-24 Published:1997-08-24

关键词: 甲烷氧化偶联, 稀土氧化物催化剂, 活性氧种

Abstract: The active oxygen species on the surface of additive/rare earth oxides (RE2O3)catalysts have been investigated by means of XPS, O2-TPDand XRD. The results indicate that there exist Oand O2- species on the surface of the catalysts at low temperature. The performance of the catalyst is dependent on the concentration of Ospecies on the catalyst surface. It is suggested that the O- species formed from Ospecies at high temperature is active oxygen species for OCMreaction.

Key words: Methane oxidative coupling, Rare earth oxide catalyst, Active oxygen species

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