典型文献
Revealing active species of CePO4 catalyst for selective catalytic reduction of NOx with NH3
文献摘要：
Revealing the active species of the catalyst is conducive to the design of more efficient catalyst.Herein,we tried to demonstrate the roles of amorphous and crystalline structures on CePO4 catalyst during selective catalytic reduction(SCR)of NOx by NH3.Higher calcination temperature promotes the transfer of amorphous structure to crystalline structure on the surface of CePO4.Both amorphous and crystalline CePO4 species on CePO-X samples can provide acid sites for NH3 adsorption,but the former can provide more acid sites.The superior redox property of surface amorphous CePO4 species contributes to its high NH3-SCR activity at low temperature,but it also leads to the decrease of high temperature(＞350℃)NH3-SCR activity due to the oxidation of NH3.In contrast,crystalline CePO4 species shows high activity only at high temperature because of its poor redox property.Therefore,it can be inferred that amorphous and crystalline structures on CePO4 catalyst can be the efficient active species of NH3-SCR at low and high temperature,respectively.
文献关键词：
中图分类号：
作者姓名：
Yiqing Zeng;Shule Zhang
作者机构：
School of Chemical Engineering,Nanjing University of Science and Technology,Nanjing 210094,China
文献出处：
引用格式：
[1]Yiqing Zeng;Shule Zhang-.Revealing active species of CePO4 catalyst for selective catalytic reduction of NOx with NH3)[J].稀土学报（英文版）,2022(08):1232-1237
A类：
CePO
B类：
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AB值：
0.394524
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机标中图分类号，由域田数据科技根据网络公开资料自动分析生成，仅供学习研究参考。
