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Novel Mn-Ce-Ti Mixed-Oxide Catalyst for the Selective Catalytic Reduction of NOx with NH3
Liu, ZM; Zhu, JZ; Li, JH; Ma, LL; Woo, SI;马玲玲(多)
2014
发表期刊ACS APPLIED MATERIALS & INTERFACES
卷号6期号:16页码:14500-14508
摘要Mn-Ce-Ti mixed-oxide catalyst prepared by the hydrothermal method was investigated for the selective catalytic reduction (SCR) of NOx with NH3 in the presence of oxygen. It was found that the environmentally benign Mn-Ce-Ti catalyst exhibited excellent NH3-SCR activity and strong resistance against H2O and SO2 with a broad operation temperature window, which is very competitive for the practical application in controlling the NOx emission from diesel engines. On the basis of the catalyst characterization, the dual redox cycles (Mn4+ + Ce3+<-> Mn3+ + Ce4+, Mn4+ + Ti3+ <-> Mn3+ + Ti4+) and the amorphous structure play key roles for the high catalytic deNO(x) performance. Diffuse reflectance infrared Fourier transform spectroscopy studies showed that the synergetic effect between Mn and Ce contributes to the formation of reactive intermediate species, thus promoting the NH3-SCR to proceed.
关键词nitrogen oxides selective catalytic reduction manganese-cerium-titanium mixed oxide in situ drifts redox cycle
学科领域Science & Technology - Other Topics; Materials Science
DOI10.1021/am5038164
收录类别SCI
WOS记录号WOS:000341122000143
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被引频次:126[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/311005/224783
专题核技术应用研究中心
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Liu, ZM,Zhu, JZ,Li, JH,et al. Novel Mn-Ce-Ti Mixed-Oxide Catalyst for the Selective Catalytic Reduction of NOx with NH3[J]. ACS APPLIED MATERIALS & INTERFACES,2014,6(16):14500-14508.
APA Liu, ZM,Zhu, JZ,Li, JH,Ma, LL,&Woo, SI;马玲玲.(2014).Novel Mn-Ce-Ti Mixed-Oxide Catalyst for the Selective Catalytic Reduction of NOx with NH3.ACS APPLIED MATERIALS & INTERFACES,6(16),14500-14508.
MLA Liu, ZM,et al."Novel Mn-Ce-Ti Mixed-Oxide Catalyst for the Selective Catalytic Reduction of NOx with NH3".ACS APPLIED MATERIALS & INTERFACES 6.16(2014):14500-14508.
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