LaBO3 (B = Mn, Fe, Co, Ni, Cu, and Zn) Catalysts for CO plus NO Reaction

被引：17

作者：

Izadkhah, Behrang ^{[1
,2
]}

Niaei, Aligholi ^{[2
]}

Jose Illan-Gomez, Maria ^{[3
]}

Salari, Dariush ^{[1
]}

Tarjomannejad, Ali ^{[2
]}

Albaladejo-Fuentes, Vicente ^{[3
]}

机构：

[1] Univ Tabriz, Fac Chem, Dept Appl Chem, POB 5166616471, Tabriz, Iran

[2] Univ Tabriz, Dept Chem & Petr Engn, Catalyst & Reactor Res Grp, POB 5166616471, Tabriz, Iran

[3] Univ Alicante, Fac Sci, Dept Inorgan Chem, Carbon Mat & Environm Res Grp, E-03080 Alicante, Spain

来源：

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH | 2017年 / 56卷 / 14期

基金：

美国国家科学基金会;

关键词：

METHANE COMBUSTION; LAFEO3; PEROVSKITES; OXIDATION; LA; PERFORMANCE; LACO1-XCUXO3; REDUCTION; SYNGAS; OXIDES; LAMNO3;

D O I：

10.1021/acs.iecr.7b00457

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

A series of transition-metal LaBO3 perovskites (B = Mn, Fe, Co, Ni, Cu, and Zn) have been synthesized and tested as catalysts for the simultaneous removal of CO and NO in a fixed-bed reactor. To improve the catalytic activity, LaFeO3, the most active formulation, was modified by partially substituting other active metals (Mn, Co, and Cu) for Fe in the perovskite formulation (LaFe0.7M0.3O3). The results revealed that Mn substitution significantly improved the catalytic activity because it increased the Mn(IV)-to-Mn(III) ratio, leading to the generation of a large amount of structural defects, and also because it increased the amount of reducible active sites.

引用

页码：3880 / 3886

页数：7

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