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In relation to this article, we declare that there is no conflict of interest.
Publication history
Received August 14, 2012
Accepted January 15, 2013
articles This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
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TiO2 nanotube-supported V2O5 catalysts for selective NO reduction by NH3

School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, P. R. China
zq304@mail.njust.edu.cn
Korean Journal of Chemical Engineering, April 2013, 30(4), 836-841(6)
https://doi.org/10.1007/s11814-013-0008-9
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Abstract

TiO2 nanotubes (TNT) were prepared by hydrothermal method at 140 ℃ for 23 h. The V2O5/TNT (VTNT) catalysts were obtained by impregnation in NH4VO3 solution. The VTNTs exhibited much higher denitration efficiency than those supported on the raw TiO2, and satisfactory resistance to water and sulfur. Results from BET, TEM, XRD, NH3-TPD and EPR verified that V2O5 was dispersed well on TNT, thus favoring NH3 adsorption, promoting the transformation from V5+ to V4+, conducing to the formation of oxygen vacancies and superoxide radicals in the presence_x000D_ of NH3 and O2, and then resulting in the high catalytic activity of VTNTs.

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