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Novel Fe-Ce-Ti catalyst with remarkable performance for the selective catalytic reduction of NOx by NH3
Liu, ZM; Liu, YX; Chen, BH; Zhu, TL; Ma, LL; Ma LL(马玲玲)
2016
发表期刊CATALYSIS SCIENCE & TECHNOLOGY
卷号6期号:17页码:6688
文章类型期刊论文
摘要An environmentally benign Fe-Ce-Ti mixed oxide catalyst, which was prepared via the hydrothermal method, has been investigated for the selective catalytic reduction of NOx with NH3 (NH3-SCR). It was found that the Fe-Ce-Ti catalyst exhibited excellent NH3-SCR activity, high N-2 selectivity and strong resistance against H2O and SO2 with a wide operation temperature window. XRD and Raman spectra suggest that the Fe-Ce-Ti catalyst has an amorphous structure. The co-presence of Fe and Ce induced the formation of a redox cycle (Ce4+ + Fe2+ <-> Ce3+ + Fe3+), which promotes the activation of NO and NH3. In situ DRIFTS studies demonstrate that the synergetic effect between Fe and Ce contributes to the formation of reactive intermediate species, thus leading to the high catalytic deNO(x) performance of the Fe-Ce-Ti mixed oxide catalyst.
DOI10.1039/c5cy02278a
关键词[WOS]MIXED-OXIDE CATALYST ; LOW-TEMPERATURE SCR ; ACTIVE-SITES ; CEO2/TIO2 CATALYST ; RAMAN-SPECTROSCOPY ; MN/TIO2 CATALYSTS ; NITRIC-OXIDE ; FT-IR ; AMMONIA ; DEPOSITION
WOS类目Chemistry, Physical
WOS记录号WOS:000382025300025
引用统计
被引频次:25[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/260510
专题核技术应用研究中心
多学科研究中心
作者单位中国科学院高能物理研究所
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GB/T 7714
Liu, ZM,Liu, YX,Chen, BH,et al. Novel Fe-Ce-Ti catalyst with remarkable performance for the selective catalytic reduction of NOx by NH3[J]. CATALYSIS SCIENCE & TECHNOLOGY,2016,6(17):6688.
APA Liu, ZM,Liu, YX,Chen, BH,Zhu, TL,Ma, LL,&马玲玲.(2016).Novel Fe-Ce-Ti catalyst with remarkable performance for the selective catalytic reduction of NOx by NH3.CATALYSIS SCIENCE & TECHNOLOGY,6(17),6688.
MLA Liu, ZM,et al."Novel Fe-Ce-Ti catalyst with remarkable performance for the selective catalytic reduction of NOx by NH3".CATALYSIS SCIENCE & TECHNOLOGY 6.17(2016):6688.
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