Abstract
Because the site for NH3 adsorption and the active site for NH3 oxidization were separated after the sulfation, both the SCR reaction and the catalytic oxidization of NH3 to NO over γ-Fe2O3 were restrained after the sulfation. As a result, the operation temperature window of γ-Fe2O3 for the SCR reaction shifted about 100 °C to higher temperature after the sulfation.
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Acknowledgments
This study was financially supported by the National Natural Science Fund of China (Grant No. 21207067 and 41372044), the Fundamental Research Funds for the central Universities (Grant No. 30920130111023), the Zijin Intelligent Program, Nanjing University of Science and Technology (Grant No. 2013-0106), Environmental scientific research of Jiangsu Province (2012026), and special fund of State Key Joint Laboratory of Environment Simulation and Pollution Control.
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Huang, H., Lan, Y., Shan, W. et al. Effect of Sulfation on the Selective Catalytic Reduction of NO with NH3 Over γ-Fe2O3 . Catal Lett 144, 578–584 (2014). https://doi.org/10.1007/s10562-013-1174-4
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DOI: https://doi.org/10.1007/s10562-013-1174-4