CO oxidation over Au supported on Mn-ZSM5 and Mn-MOR

被引：13
|
作者：
Zamaro, Juan M. [1 ]
Boix, Alicia V. [1 ]
Martinez-Hernandez, Angel [2 ]
机构：
[1] UNL, Inst Invest Catcilisis Petroquim, INCAPE, FIQ,CONICET, RA-3000 Santa Fe, NM, Argentina
[2] Univ Autonoma Nuevo Leon, Fac Ciencias Quin, San Nicolas De Los Garza 66451, NL, Mexico
来源：
CATALYSIS COMMUNICATIONS | 2015年 / 69卷
关键词：
Gold; Manganese; Zeolite; Catalysts; CO oxidation; GOLD CATALYSTS; NANO-GOLD; HYDROGEN; FE; ZEOLITES;
D O I：
10.1016/j.catcom.2015.06.018
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Active gold catalysts for CO oxidation were obtained by the deposition-precipitation of gold on ZSM-5 and mordenite, both of them ion-exchanged with manganese. A strong promotion of Mn upon the activity of bimetallic Au/Mn catalysts was observed when compared with the monometallic Au-zeolites. In turn, when an in-situ reduction of the bimetallic catalysts was performed, a further increase in activity was observed. Characterizations suggested that smaller gold nanoparticles were stabilized in the bimetallic solids and that the reduction process caused a rearrangement of Au and Mn species on the catalyst surface. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：212 / 216
页数：5
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