高等学校化学学报 ›› 1994, Vol. 15 ›› Issue (7): 1073.

• 研究简报 • 上一篇    下一篇

第二载体ZrO2、TiO2、γ-Al2O3对燃烧催化剂耐热性的影响

周仁贤, 郑小明, 朱波, 仲逸芬, 陈敏   

  1. 杭州大学化学系, 杭州, 310028
  • 收稿日期:1993-07-01 修回日期:1993-11-26 出版日期:1994-07-24 发布日期:1994-07-24
  • 通讯作者: 周仁贤,男,29岁,讲师.
  • 作者简介:周仁贤,男,29岁,讲师.

Effect of the Second Carrier ZrO2,TiO2,γ-Al2O3 on the Thermal Stability of Combustion Catalyst

ZHOU Ren-Xian, ZHENG Xiao-Ming, ZHU Bo, ZHONG Yi-Fen, CHEN Min   

  1. Department of Chemistry, Hangzhou(Iniversity, Hangzhou, 3l0028
  • Received:1993-07-01 Revised:1993-11-26 Online:1994-07-24 Published:1994-07-24

关键词: 催化氧化, 钯, 铂, 第二载体

Abstract: The effects of the second carrier, such as ZrO2, TiO2 and γ-Al2O3 on the thermal stability of combustion catalyst were studied by XRDand DTA.The results indicate that the phase change of γ-Al2O3(γ→α-Al2O3) as the first carrier is a main reason for descents of oxidation activity of catalysts, and the phase change of γ-Al2O3 was inhibited in the presence of ZrO2.However, TiO2 promoted the phase change of γ-Al2O3.

Key words: Catalytic oxidation, Palladium, Platinum, Second carrier

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