Methane and ethane activation without adding oxygen: Promotional effect of W in Mo-W/HZSM-5

	Methane and ethane activation without adding oxygen: Promotional effect of W in Mo-W/HZSM-5
	Wong, ST ; Xu, XD ; Wang, LS ; Liu, ST ; Li, GJ ; Xie, MS ; Guo, XX
刊名	CATALYSIS LETTERS
	1996
卷号	38 期号:1-2 页码:39-43
关键词	Acid-assisted Heterolytic Splitting Of Methane Mo/hzsm-5 W/hzsm-5 Mo-w/hzsm-5 Promotional Effect Of Tungsten
ISSN号	1011-372X
文献子类	Article
英文摘要	The conversions of methane and ethane over Mo/HZSM-5 and W/HZSM-5 catalysts are compared. A reaction model for hydrocarbon formation over Mo/HZSM-5 catalysts is proposed, which involves heterolytic splitting of methane and a molybdenum-carbene intermediate. Ethene is shown to be the initial product of methane conversion, and it undergoes further reaction to form aromatics in a solid acid environment. The promotional effect of addition of tungsten in the Mo-W/HZSM-5 catalyst in methane conversion reaction suggests the formation of Mo-W mixed oxide. The product selectivity patterns of Mo/HZSM-5 and W/HZSM-5 catalysts in ethane conversion reaction are consistent with a dual-path model involving dehydrogenation and cracking (or hydrogenolysis) of ethane. The rates of both these reactions over Mo/HZSM-5 are higher than over W/HZSM-5.
WOS关键词	STATE
WOS研究方向	Chemistry
语种	英语
出版者	BALTZER SCI PUBL BV
WOS记录号	WOS:A1996UK61200007
内容类型	期刊论文
源URL	[http://cas-ir.dicp.ac.cn/handle/321008/168058]
专题	大连化学物理研究所_中国科学院大连化学物理研究所
作者单位	1.CHINESE ACAD SCI,DALIAN INST CHEM PHYS,STATE KEY LAB CATALYSIS,DALIAN 116023,PEOPLES R CHINA 2.CHINESE ACAD SCI,DALIAN INST CHEM PHYS,DALIAN 116023,PEOPLES R CHINA
推荐引用方式 GB/T 7714	Wong, ST,Xu, XD,Wang, LS,et al. Methane and ethane activation without adding oxygen: Promotional effect of W in Mo-W/HZSM-5[J]. CATALYSIS LETTERS,1996,38(1-2):39-43.
APA	Wong, ST.,Xu, XD.,Wang, LS.,Liu, ST.,Li, GJ.,...&Guo, XX.(1996).Methane and ethane activation without adding oxygen: Promotional effect of W in Mo-W/HZSM-5.CATALYSIS LETTERS,38(1-2),39-43.
MLA	Wong, ST,et al."Methane and ethane activation without adding oxygen: Promotional effect of W in Mo-W/HZSM-5".CATALYSIS LETTERS 38.1-2(1996):39-43.