Citation: Liyun Song, Zongcheng Zhan, Xiaojun Liu, Hong He, Wenge Qiu, Xuehong Zi. NO_x selective catalytic reduction by ammonia over Cu-ETS-10 catalysts[J]. Chinese Journal of Catalysis, ;2014, 35(7): 1030-1035. doi: 10.1016/S1872-2067(14)60035-8 shu

NO_x selective catalytic reduction by ammonia over Cu-ETS-10 catalysts

1.
Key Laboratory of Beijing on Regional Air Pollution Control, Beijing University of Technology, Beijing 100124, China

Corresponding author: Hong He,
Received Date: 9 November 2013
Available Online: 14 January 2014
Fund Project:

Ion exchange method was used to fabricate Cu-ETS-10 titanosilicate catalysts, which possessed high activity, N₂ selectivity and SO₂ resistance for NO_x selective catalytic reduction (SCR). N₂ sorption measurements indicated that the microporous catalysts had high surface areas of 288-380 m²/g. The Cu content and speciation were investigated by inductively coupled plasma atomic emission spectrometry, H₂ temperature-programmed reduction, and diffuse reflectance infrared Fourier transform spectroscopy. Various Cu species coexisted within the catalyst. Isolated Cu²⁺ species were the active sites for NH₃-SCR, the number of which initially increased and then decreased with increasing Cu content. The catalytic activity of Cu-ETS-10 depended on the isolated Cu²⁺ species content.
- Titanosilicate,
- Copper,
- Nitrogen oxide,
- Ammonia,
- Selective catalytic reduction
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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

NOx selective catalytic reduction by ammonia over Cu-ETS-10 catalysts

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通讯作者: 陈斌, bchen63@163.com

NO_x selective catalytic reduction by ammonia over Cu-ETS-10 catalysts