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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 864-867The Effect of Iron Doping on the Performance of...

The Effect of Iron Doping on the Performance of Mn/TiO₂ Catalysts for NO Reduction with NH₃ at Low Temperature

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Abstract:

The catalysts of Mn/TiO₂, Fe/TiO₂ and Mn-Fe/TiO₂ prepared by coprecipitation method were investigated for low temperature selective catalytic reduction of NO with NH₃. The catalytic activity and SO₂ resistance of these three catalysts were tested and the properties of the catalysts were characterized by using N₂-BET, XRD, H₂-TPR, NH₃-TPD methods. It was found that the doping of iron reduced the catalytic activity of Mn/TiO₂ catalyst at low temperature and also has an adverse effect for its SO₂ resistance at the same time. The decrease of surface area , redox ability and surface acid sites caused by doping of iron might be the main reasons for poor performance of this catalyst.

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Periodical:

Advanced Materials Research (Volumes 864-867)

Pages:

1415-1420

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.864-867.1415

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Online since:

December 2013

Authors:

Jie Nan Hong*, Wei Guo Pan, Rui Tang Guo, Wen Long Zhen, Yue Liang Yu, Bing Chao Pan, Ai Chen Wang

Keywords:

Catalytic Activity, Mn-Fe/TiO₂, SCR, SO₂ Resistance

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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* - Corresponding Author

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