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

页码：212 / 216

页数：5

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