Issue 70, 2014
From the journal:

Chemical Communications

A novel mechanism for poisoning of metal oxide SCR catalysts: base–acid explanation correlated with redox properties†

Huazhen Chang,a   Junhua Li,*ab   Wenkang Su,a   Yuankai Shaoa  and  Jiming Haoab  

* Corresponding authors

a State Key Joint Laboratory of Environment Simulation and Pollution Control (SKLESPC), School of Environment, Tsinghua University, Beijing, China
E-mail: lijunhua@tsinghua.edu.cn

b State Environmental Protection Key Laboratory of Sources and Control of Air Pollution Complex, Beijing 100084, China

Abstract

A novel mechanism is proposed for the poisoning effect of acid gases and N2O formation on SCR catalysts involving base–acid properties correlated with redox ability of M–O or M–OH (M = Ce or V) of metal oxides and the strength of their basicity responsible for resistance to HCl and SO2 at medium and low temperatures.

Graphical abstract: A novel mechanism for poisoning of metal oxide SCR catalysts: base–acid explanation correlated with redox properties

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Article information

DOI
https://doi.org/10.1039/C4CC02991G
Article type
Communication
Submitted
22 Apr 2014
Accepted
09 Jun 2014
First published
09 Jun 2014

Chem. Commun., 2014,50, 10031-10034

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A novel mechanism for poisoning of metal oxide SCR catalysts: base–acid explanation correlated with redox properties

H. Chang, J. Li, W. Su, Y. Shao and J. Hao, Chem. Commun., 2014, 50, 10031 DOI: 10.1039/C4CC02991G

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