Outstanding low temperature HC-SCR of NOx over platinum-group catalysts supported on mesoporous materials expecting diesel-auto emission regulation

被引：28

作者：

Komatsu, Tamikuni

Tomokuni, Keizou

Yamada, Issaku

机构：

[1] Noguchi Inst, Asahi Kasei Corp, R&D Head Off, Itabashi Ku, Tokyo 1730003, Japan

[2] Noguchi Inst, Itabashi Ku, Tokyo 1730003, Japan

来源：

CATALYSIS TODAY | 2006年 / 116卷 / 02期

关键词：

de-NOx catalysts; HC-SCR; mesoporous; NOx-absorption-reduction; lean-burn emissions;

D O I：

10.1016/j.cattod.2006.01.035

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Outstanding low temperature HC-SCR of NOx over platinum-group catalysts supported on mesoporous materials, which does not rely on the conventional NOx-absorption-reduction-catalysts, is presented for the purpose of de-NOx of diesel-auto emissions. The established catalysts basically consist of mesoporous silica or metal-substituted mesoporous silicates for supports and platinum for active species, which is operated under lean- and rich-conditions. The new catalysts are very active at 150-200 degrees C and free from difficult problems of SOx-deactivation and hydrothermal ageing of the NOx-absorption-reduction catalyst. (C) 2006 Elsevier B.V. All rights reserved.

引用

页码：244 / 249

页数：6

共 20 条

[1] A NEW FAMILY OF MESOPOROUS MOLECULAR-SIEVES PREPARED WITH LIQUID-CRYSTAL TEMPLATES [J].