High-throughput approach to the catalytic combustion of diesel soot II: Screening of oxide-based catalysts

被引：24

作者：

Bassou, Badr ^{[1
]}

Guilhaume, Nolven ^{[1
]}

Iojoiu, Eduard Emil ^{[1
]}

Farrusseng, David ^{[1
]}

Lombaert, Karine ^{[2
]}

Bianchi, Daniel ^{[1
]}

Mirodatos, Claude ^{[1
]}

机构：

[1] Univ Lyon 1, CNRS, Inst Rech Catalyse & Environm Lyon, IRCELYON,UMR5256, F-69626 Villeurbanne, France

[2] Renault, Diesel Innovat Catalyt Mat, Direct Ingn Mat, F-91510 Lardy, France

来源：

CATALYSIS TODAY | 2011年 / 159卷 / 01期

关键词：

Diesel soot catalytic combustion; High throughput screening; Oxide catalysts; COMBINATORIAL SYNTHESIS; CERIA-ZIRCONIA; SURFACE-AREA; MIXED OXIDES; PARTICULATE; OXIDATION; OXYGEN; BEHAVIOR; CEO2;

D O I：

10.1016/j.cattod.2010.05.042

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Following the development of a high-throughput (HT) methodology for the evaluation of diesel soot oxidation catalysts in a 16 parallel channels reactor, a library of over 60 catalysts was tested under optimized conditions. The catalyst compositions were chosen to include solids which specific properties like oxygen storage capacity, oxygen mobility and ionic conductivity. The key parameters for high activity appear related to the presence of active and mobile surface oxygen species, and to an appropriate catalyst particle size in order to favour the number of contacts with the soot. In contrast, high oxygen storage capacity and bulk oxygen ion mobility do not appear as relevant properties for high catalytic activity. Nine new formulations were found to perform better than the reference catalyst "high surface area (HSA) ceria" (Rhodia). (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：138 / 143

页数：6

共 31 条

[1] Catalytic behavior of potassium containing compounds for diesel soot combustion [J].