高等学校化学学报 ›› 1998, Vol. 19 ›› Issue (8): 1317.

• 研究快报 • 上一篇    下一篇

不同方法制备的纳米Au/NiO上CO常温常湿催化氧化性能的研究

张文祥1, 陶玉国1, 贾明君1, 吴通好1, 李雪梅2   

  1. 1. 吉林大学化学系, 长春, 130023;
    2. 雁北师范学院化学系, 大同, 037004
  • 收稿日期:1998-04-07 出版日期:1998-08-24 发布日期:1998-08-24
  • 通讯作者: 张文祥,男,35岁,博士,副教授.
  • 作者简介:张文祥,男,35岁,博士,副教授.
  • 基金资助:

    长春应用化学科学研究中心资助课题.

Catalytic Oxidation of CO at Ambient Temperature and Humidity on Au/NiO Prepared by Using Different Methods

ZHANG Wen-Xiang1, TAO Yu-Guo1, JIA Ming-Jun1, WU Tong-Hao1, LI Xue-Mei2   

  1. 1. Department of Chemistry, Jilin University, Changchun, 130023;
    2. Department of Chemistry, Yanbei Teacher's College, Datong, 037004
  • Received:1998-04-07 Online:1998-08-24 Published:1998-08-24

摘要: CO的常温催化氧化过程在消除环境污染、空气净化、CO传感器、封闭式CO2激光器、防毒面具以及密闭系统内CO的消除等方面都具有较高的实用价值.

关键词: 一氧化碳, 常温常湿催化氧化, 纳米Au/NiO

Abstract: The activities and durability of the oxidation of COat ambient temperature and humidity on nanometer Au/NiO prepared by using different methods were studied. It was found that the activities and durability of the catalysts were greatly changed with the preparation methods and calcining temperature. Active and durable catalyst can be obtained by careful control of the preparation procedures. Among the samples tested, Au/NiO prepared by the following conditions--Na2CO3solution was added into an aqueous solution of Ni(NO3)2, HAuCl4and dodecylbenzene sulfonic acid sodium salt (DBS), the resultant precipitate was heated to 70 ℃ and washed with deionized hot water of 70 ℃, followed by drying at room temperature for 48 h, and then the precipitate was calcined at 300 ℃--showed the highest activity and durability, it was even able to oxidize CO completely at 20 ℃ in the presence of 1.8% water vapor for 27 h.

Key words: Carbon monooxide, Ambient temperature and humidity catalytic oxidation, Nanometer Au/NiO

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