Influence of transition metals doping on the catalytic performance of CuO-CeO2 catalysts for the preferential oxidation of CO in excess hydrogen(过渡金属修饰对铜铈催化剂在选择性脱除CO反应中催化性能的影响)
过渡金属(Mn、Fe、Ni、Zn、Co)修饰对铜铈催化剂的催化性能有明显的影响.Fe和Co的修饰对铜铈催化剂的CO氧化活性有较明显的促进作用,在110 ℃时,CO的转化率即达到99%;尤其Co的修饰增加了铜铈催化剂上CO转化率为99%的温度‘窗口’宽度约30 ℃,而Mn、Ni和Zn的修饰对铜铈催化剂的CO氧化活性则有一定的抑制作用.但不同过渡金属修饰对铜铈催化剂的氧化选择性均有明显的提高....
Main Authors: | LIUZhi-gang(刘志刚), ZHOURen-xian(周仁贤), ZHENGXiao-ming(郑小明) |
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Format: | Article |
Language: | zho |
Published: |
Zhejiang University Press
2009-05-01
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Series: | Zhejiang Daxue xuebao. Lixue ban |
Subjects: | |
Online Access: | https://doi.org/10.3785/j.issn.1008-9497.2009.03.013 |
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