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2008年 第2卷 第3期

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《化学科学与工程前沿（英文）》 >> 2008年 第2卷 第3期 doi: 10.1007/s11705-008-0053-9

Low-temperature selective catalytic reduction of NO with NH based on MnO-CeO/ACFN

College of Environmental Science and Engineering, Nankai University;

发布日期： 2008-09-05
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摘要

MnO-CeO/ACFN were prepared by the impregnation method and used as catalyst for selective catalytic reduction of NO with NH at 80°C–150°C. The catalyst was characterized by N-BET, scanning electron microscopy (SEM) and Fourier transform infrared spectroscopy (FT-IR). The fraction of the mesopore and the oxygen functional groups on the surface of activated carbon fiber (ACF) increased after the treatment with nitric acid, which was favorable to improve the catalytic activities of MnO-CeO/ACFN. The experimental results show that the conversion of NO is nearly 100% in the range 100°C–150°C under the optimal preparation conditions of MnO-CeO/ACFN. In addition, the effects of a series of performance parameters, including initial NH concentration, NO concentration and O concentration, on the conversion of NO were studied.

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