Issue 40, 2015
From the journal:

RSC Advances

Influence of hexagonal boron nitride on the selective catalytic reduction of NO with NH3 over CuOX/TiO2

Dongsheng Zhou,a   Zhiyuan Ren,b   Bo Li,a   Zhaoxia Ma,a   Xiaobin Zhanga  and  Hangsheng Yang*a  

* Corresponding authors

a State Key Laboratory of Silicon Materials, School of Materials Science and Engineering, Zhejiang University, Zheda Road 38, Hangzhou 310027, China
E-mail: hsyang@zju.edu.cn
Fax: +86-571-87951404
Tel: +86-571-87951404

b Foreign Economic Cooperation Office, Ministry of Environmental Protection, China, No 5 HouyingfangHutong, Xicheng District, Beijing 100035, China

Abstract

Hexagonal boron nitride (hBN) was used as a CuOX/TiO2 catalyst carrier and its effect on NO reduction with NH3 was studied. After hBN was treated with concentrated HNO3, CuOX/TiO2 nanoparticles were dispersed well onto hBN, and the addition of hBN was found to promote NO oxidation, while at the same time suppress NH3 oxidation to NO, and thus promoted the selective catalytic reduction of NO at reaction temperatures between 150 to 350 °C, and a high de-NOX efficiency of 90.6% was achieved at 275 °C. Our study indicates that hBN is a promising catalyst promoter and carrier with excellent stability compared to carbonaceous materials.

Graphical abstract: Influence of hexagonal boron nitride on the selective catalytic reduction of NO with NH3 over CuOX/TiO2

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Article information

DOI
https://doi.org/10.1039/C5RA01697E
Article type
Paper
Submitted
28 Jan 2015
Accepted
18 Mar 2015
First published
18 Mar 2015

RSC Adv., 2015,5, 31708-31715

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Influence of hexagonal boron nitride on the selective catalytic reduction of NO with NH3 over CuOX/TiO2

D. Zhou, Z. Ren, B. Li, Z. Ma, X. Zhang and H. Yang, RSC Adv., 2015, 5, 31708 DOI: 10.1039/C5RA01697E

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