Influences of Promoters on Active Centers over Noble Metal Catalysts for CO Selective Oxidation

被引：0
|
作者：
Wang Fang [1 ]
Lv Gongxuan [1 ]
机构：
[1] Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Oxo Synth & Select Oxidat, Lanzhou 730000, Peoples R China
来源：
PROGRESS IN CHEMISTRY | 2010年 / 22卷 / 08期
关键词：
noble metals; CO preferential oxidation; deactivation; reaction mechanism; promoters; CARBON-MONOXIDE OXIDATION; SUPPORTED GOLD CATALYSTS; HYDROGEN-RICH STREAM; WATER-GAS SHIFT; PREFERENTIAL OXIDATION; ELECTROCATALYTIC OXIDATION; AU/CEO2; CATALYSTS; H-2-RICH GAS; PLATINUM NANOPARTICLES; CERIA CATALYSTS;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The current research progresses about influences of promoters on constructing active centers on noble metal catalysts and their catalytic performances for CO preferential oxidation (PROX) in H-2-rich stream have been reviewed. Effects of alkali (alkaline earth) metals, transitional-metals and rare earth oxides on the catalytic performance of Au catalysts and Pt group catalysts for PROX reaction are compared in detail. In addition, the reaction mechanism for CO preferential oxidation, the reasons for deactivation of supported noble metal catalysts in different storage and reaction conditions have been summarized. Finally, some problems unsolved and need to be further studied are advanced. The prospects for development of catalysts for PROX reaction are also discussed.
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页码：1538 / 1549
页数：12
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