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题名: Effect of V2O5 Additive on the SO2 Resistance of a Fe2O3/AC Catalyst for NH3-SCR of NOx at Low Temperatures
作者: Yang, Weiwei; Liu, Fudong; Xie, Lijuan; Lan, Zhihua; He, Hong
刊名: INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
出版日期: 2016-03-16
卷号: 55, 期号:10, 页码:2677-2685
DOI: 10.1021/acs.iecr.5b04974
部门归属: 大气污染控制中心
英文摘要: The effect of vanadium oxide on an iron-based catalyst supported on activated carbon (AC) in the selective catalytic reduction of NOx by NH3 (NH3-SCR) was investigated in this work A series of vanadium-modified Fe2O3/AC catalysts were prepared by a coirripregnation method. The addition of a small amount of vanadium oxide contributed to the higher dispersion of iron species On the surface of the catalyst. Among various vanadium-modified iron catalysts supported on Ac, 3% Fe-0.5% V achieved the best SCR activity and SO2 tolerance. In the presence, of H2O, SO2 had a severe deactivation effect on both vanadium- and non-vanadium-modified catalysts, yet the inhibition effectof H2O and SO2 was reversible on 3% Fe-0.5% V at relatively low space velocity. It was found that the' vanadium additive promoted the formation of sulfate species. The formed sulfate species increased the surface acidity and thus enhanced the tolerance toward SO2.
收录类别: SCI
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内容类型: 期刊论文
URI标识: http://ir.rcees.ac.cn/handle/311016/35746
Appears in Collections:大气污染控制中心_期刊论文

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Recommended Citation:
Yang, Weiwei,Liu, Fudong,Xie, Lijuan,et al. Effect of V2O5 Additive on the SO2 Resistance of a Fe2O3/AC Catalyst for NH3-SCR of NOx at Low Temperatures[J]. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,2016,55(10):2677-2685.
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文件名: Effect of V2O5 Additive on the SO2 Resistance of a Fe2O3AC Catalyst for NH3-SCR of NOx at Low Temperatures.pdf
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