A review of NOx storage/reduction catalysts: mechanism, materials and degradation studies

被引：178

作者：

Liu, Gang ^{[1
]}

Gao, Pu-Xian ^{[1
]}

机构：

[1] Univ Connecticut, Inst Mat Sci, Dept Chem Mat & Biomol Engn, Storrs, CT 06269 USA

来源：

CATALYSIS SCIENCE & TECHNOLOGY | 2011年 / 1卷 / 04期

关键词：

STORAGE-REDUCTION CATALYST; LEAN-BURN ENGINE; GROUP METAL-CATALYSTS; SELECTIVE REDUCTION; SORPTION-DESORPTION; NITROGEN-OXIDES; 3-WAY CATALYST; NSR CATALYSTS; SULFUR DEACTIVATION; LOW-TEMPERATURE;

D O I：

10.1039/c1cy00007a

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：

The catalytic removal of nitrogen oxides (NOx) from lean-burn exhaust emissions is one of the major challenges in environmental catalysis. Among the NOx emission control technologies, NOx storage/reduction (NSR) is currently regarded as one of the most practical technologies for lean-burn gasoline and diesel vehicles. This review gives a comprehensive overview of NSR technology, including the NSR reaction mechanisms, degradation mechanisms and NSR catalyst developments. The NSR reaction and degradation mechanisms will be addressed based on a typical NSR catalyst such as Pt/BaO/Al2O3, along with the concurrent new NSR catalyst developments for enhancing the NSR performance and alleviating their sulfur poisoning and thermal degradation.

引用

页码：552 / 568

页数：17

共 135 条

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