Issue 12, 2008
From the journal:

Chemical Communications

WO3/CeO2-ZrO2, a promising catalyst for selective catalyticreduction (SCR) of NOx with NH3 in diesel exhaust

Ye Li,ab   Hao Cheng,a   Deyi Li,a   Yongsheng Qin,a   Yuming Xiec  and  Shudong Wang*a  

* Corresponding authors

a Dalian Institute of Chemical Physics, Dalian 116023, China
E-mail: wangsd@dicp.ac.cn
Fax: +86 411 8466 2365
Tel: +86 411 8437 9328

b Graduate School of Chinese Academy of Sciences, Beijing 100039
E-mail: liyeok@dl.cn

c Corning Incorporated, SP-DV-01-9, Corning, 14831 NY, USA
E-mail: xiey@Corning.com

Abstract

A WO3/CeO2-ZrO2 catalyst system was discovered for selective catalytic reduction of NOx with NH3; the catalyst (10 wt% WO3 loading) showed nearly 100% NOx conversion in a temperature range of 200–500 °C, at a space velocity of 90 000 h−1 in a simulated diesel exhaust containing 550 ppm NOx (NO : NO2 feed ratio at 1.0), 10 vol% H2O and 10 vol% CO2; the catalyst also exhibited high temperature stability.

Graphical abstract: WO3/CeO2-ZrO2, a promising catalyst for selective catalytic reduction (SCR) of NOx with NH3 in diesel exhaust

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Article information

DOI
https://doi.org/10.1039/B717873E
Article type
Communication
Submitted
19 Nov 2007
Accepted
08 Jan 2008
First published
30 Jan 2008

Chem. Commun., 2008, 1470-1472

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WO3/CeO2-ZrO2, a promising catalyst for selective catalytic reduction (SCR) of NOx with NH3 in diesel exhaust

Y. Li, H. Cheng, D. Li, Y. Qin, Y. Xie and S. Wang, Chem. Commun., 2008, 1470 DOI: 10.1039/B717873E

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