Selective catalytic reduction of NOx in the presence of excess oxygen - II. SCR of NOx with oxo-organic compounds over Ag/Al2O3

CORC > 生态环境研究中心 > 中国科学院生态环境研究中心 > 大气环境科学实验室

	Selective catalytic reduction of NOx in the presence of excess oxygen - II. SCR of NOx with oxo-organic compounds over Ag/Al2O3
	He, Y; Yu, YB; Liu, FS; Zhang, RD; Zhang, CB; Wang, J
刊名	CHINESE JOURNAL OF CATALYSIS
	2004
卷号	25 期号:6 页码:460-466
关键词	silver alumina supported catalyst nitrogen oxide selective catalytic reduction oxo-organic compound ethanol
英文摘要	The selective catalytic reduction (SCR) of NO with propylene was investigated over Cu/Al2O3 catalyst by using fixed-bed reactor and in situ FTIR and compared with Ag/Al2O3 which has a relative high activity in C3H6-SCR of NO. The highest conversion of NO is only 40% at about 650 K, when the catalyst was exposed to a gas mixture of NO/C3H6/O-2/N-2 = 0- 08%/0. 171 4% /10% /balance with W/F= 0. 018 g (.) s/mL. Surface R-NO2 and R-ONO species, which were observed on Ag/Al2O3 catalyst as the precursor of -NCO species, can hardly be found on Cu/Al2O3 catalyst surface in FTIR spectra under the same condition. This results in the low activity of Cu/Al2O3 catalyst for NO reduction. Through dynamic FTIR experiment, it was found that NOT species, which are dominant surface species over Cu/Al2O3 catalyst, have a low activity with C3H6, so that the reaction producing R-NO2 and,R-ONO is very difficult to take place.
研究领域[WOS]	Chemistry
WOS记录号	WOS:000222531200009
内容类型	期刊论文
源URL	[http://ir.rcees.ac.cn/handle/311016/23415]
专题	生态环境研究中心_大气环境科学实验室
推荐引用方式 GB/T 7714	He, Y,Yu, YB,Liu, FS,et al. Selective catalytic reduction of NOx in the presence of excess oxygen - II. SCR of NOx with oxo-organic compounds over Ag/Al2O3[J]. CHINESE JOURNAL OF CATALYSIS,2004,25(6):460-466.
APA	He, Y,Yu, YB,Liu, FS,Zhang, RD,Zhang, CB,&Wang, J.(2004).Selective catalytic reduction of NOx in the presence of excess oxygen - II. SCR of NOx with oxo-organic compounds over Ag/Al2O3.CHINESE JOURNAL OF CATALYSIS,25(6),460-466.
MLA	He, Y,et al."Selective catalytic reduction of NOx in the presence of excess oxygen - II. SCR of NOx with oxo-organic compounds over Ag/Al2O3".CHINESE JOURNAL OF CATALYSIS 25.6(2004):460-466.