催化学报

催化学报 ›› 2010, Vol. 31 ›› Issue (4): 404-408.

• 研究论文 • 上一篇    下一篇

整体式Pt/γ-Al2O3/Ce0.5-xZr0.5-xMn2xO2催化剂低温催化燃烧饮食油烟

王健礼, 廖传文, 陈永东, 曹红岩, 刘志敏, 龚茂初, 陈耀强   

  1. 四川大学化学学院绿色化学与技术教育部重点实验室, 四川成都 610064
  • 收稿日期:2010-04-25 出版日期:2010-04-25 发布日期:2013-10-08

Low-Temperature Catalytic Combustion of Cooking Fume over Pt/γ-Al2O3/Ce0.5-xZr0.5-xMn2xO2 Monolithic Catalyst

WANG Jianli, LIAO Chuanwen, CHEN Yongdong, CAO Hongyan, LIU Zhimin, GONG Maochu, CHEN Yaoqiang*   

  1. Key Laboratory of Green Chemistry and Technology of the Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, Sichuan, China
  • Received:2010-04-25 Online:2010-04-25 Published:2013-10-08

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摘要： 采用固定床反应器评价了整体式催化剂 Pt/γ-Al2O3/Ce0.5-xZr0.5-xMn2xO2 去除饮食油烟的催化性能. 制备了一系列不同 Mn 含量的 Ce0.5-xZr0.5-xMn2xO2 储氧材料, 并考察了其作为载体对 Pt/γ-Al2O3/Ce0.5-xZr0.5-xMn2xO2 催化剂活性的影响. 应用 X 射线衍射 (XRD)、N2 物理吸附和 H2 程序升温还原 (H2-TPR) 等手段对催化剂进行了表征. XRD 结果表明, 贵金属 Pt 很好地分散在载体 γ-Al2O3 和 Ce0.5-xZr0.5-xMn2xO2 上. N2 物理吸附和 H2-TPR 研究结果与催化剂活性测试能很好吻合. 催化剂的活性顺序为 x = 0.10 > x = 0.15 > x = 0.05 > x = 0 > x = 0.20, Pt/γ-Al2O3/Ce0.4Zr0.4Mn0.2O2 催化剂活性最好, 油烟完全转化温度仅为 495 K.

关键词: 饮食油烟, 催化燃烧, 铈锆锰储氧材料, 铂, 整体式催化剂

Abstract: A series of Ce0.5-xZr0.5-xMn2xO2 complicated oxides were prepared, and the effect of the Mn content in the complicated oxides on the catalytic activity of Pt/γ-Al2O3/Ce0.5-xZr0.5-xMn2xO2 was further investigated.

Key words: cooking fume, catalytic combustion, cerium-zirconium-manganese oxygen storage material, platinum, monolithic catalyst