Role of aggregated Fe oxo species in N2O decomposition over Fe/ZSM-5

CORC > 生态环境研究中心 > 中国科学院生态环境研究中心 > 大气污染控制中心

	Role of aggregated Fe oxo species in N2O decomposition over Fe/ZSM-5
	Zhang, Bo ; Liu, Fudong ; He, Hong ; Xue, Li
刊名	CHINESE JOURNAL OF CATALYSIS
	2014
卷号	35 期号:12 页码:1972-1981
关键词	N2O decomposition Fe/ZSM-5 Iron species Thermal treatment
ISSN号	0253-9837
中文摘要	The effects of aggregated Fe oxo (FeOx) species on N2O decomposition activity of aqueous ion-exchanged Fe/ZSM-5 were investigated. Aggregation of FeOx species was achieved by thermal treatment of the Fe/ZSM-5 catalysts at different temperatures (600-900 degrees C) in pure Ar. The characterizations were carried out using X-ray diffraction, N-2 physisorption, UV-Vis diffuse reflectance spectroscopy, X-ray absorption fine structure spectroscopy, pulse-response analysis, and O-2-temperature-programmed desorption. The FeOx species on the external framework of the ZMS-5 zeolite played a dominant role in N2O decomposition over Fe/ZSM-5. By studying the relationship between the contents of the various existing iron species and activity of the different catalysts, polynuclear FeOx appeared to be the main active phase for N2O decomposition. Additionally, Fe-O with a long bond length ((Fe-O)(2)) in amorphous polynuclear FeOx was positively correlated to the activity of the catalysts, indicating that (Fe-O)(2) was the active species for N2O decomposition. (C) 2014, Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B.V. All rights reserved.
WOS记录号	WOS:000346395000008
公开日期	2015-03-24
内容类型	期刊论文
源URL	[http://ir.rcees.ac.cn/handle/311016/9286]
专题	生态环境研究中心_大气污染控制中心
推荐引用方式 GB/T 7714	Zhang, Bo,Liu, Fudong,He, Hong,et al. Role of aggregated Fe oxo species in N2O decomposition over Fe/ZSM-5[J]. CHINESE JOURNAL OF CATALYSIS,2014,35(12):1972-1981.
APA	Zhang, Bo,Liu, Fudong,He, Hong,&Xue, Li.(2014).Role of aggregated Fe oxo species in N2O decomposition over Fe/ZSM-5.CHINESE JOURNAL OF CATALYSIS,35(12),1972-1981.
MLA	Zhang, Bo,et al."Role of aggregated Fe oxo species in N2O decomposition over Fe/ZSM-5".CHINESE JOURNAL OF CATALYSIS 35.12(2014):1972-1981.