An environmentally-benign CeO2-TiO2 catalyst for the selective catalytic reduction of NOx with NH3 in simulated diesel exhaust
An environmentally-benign CeO2-TiO2 catalyst for the selective catalytic reduction of NOx with NH3 in simulated diesel exhaust
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一种环境友好型 CeO2-TiO2 催化剂,用于选择性催化还原模拟柴油机尾气中的 NH3 氮氧化物
DOI:
10.1016/j.cattod.2011.11.013
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发表时间:
2012-04
期刊:
影响因子:
5.3
通讯作者:
Changbin Zhang
中科院分区:
文献类型:
--
作者:
Wenpo Shan;Fudong Liu;Hong He;Xiaoyan Shi;Changbin Zhang
A Ce-Ti based (CeO2-TiO2) catalyst prepared by an optimized homogeneous precipitation method showed excellent NH3-SCR activity, high N2selectivity, broad operation temperature window, and high resistance to space velocity (even under a high gas hourly space velocity (GHSV) of 500,000h−1). Compared with V2O5-WO3/TiO2and Fe-ZSM-5 catalysts, the CeO2-TiO2catalyst showed better catalytic performance for NH3-SCR. Under a more realistic condition of simulated diesel engine exhaust, the monolith catalyst of CeO2-TiO2showed over 90% NOxconversion from 250 to 450°C under a GHSV of 20,000h−1in the presence of H2O, CO2, and C3H6. The high dispersion of active CeO2on TiO2in the process of homogenous precipitation and the synergistic effects between CeO2and TiO2in CeO2-TiO2are important reasons for the high NH3-SCR activity.
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影响因子:
3.7
作者:
Wenqing Xu;Yunbo Yu;Changbin Zhang;Hong He
通讯作者:
Wenqing Xu;Yunbo Yu;Changbin Zhang;Hong He
影响因子:
7.3
作者:
Zhichun Si;D. Weng;Xiaodong Wu;Jia Li;Guo Li
通讯作者:
Zhichun Si;D. Weng;Xiaodong Wu;Jia Li;Guo Li
影响因子:
4.5
作者:
Wenpo Shan;Fudong Liu;Hong He;Xiaoyan Shi;Changbin Zhang
通讯作者:
Wenpo Shan;Fudong Liu;Hong He;Xiaoyan Shi;Changbin Zhang
影响因子:
6.7
作者:
Fang, Jun;Bi, Xinzhen;Huang, Weixin
通讯作者:
Huang, Weixin
影响因子:
4.9
作者:
K. Krishna;G. Seijger;C. van den Bleek;H. Calis
通讯作者:
K. Krishna;G. Seijger;C. van den Bleek;H. Calis