EXAFS study of Ni/W/Zeolite/Al2O3 hydrocracking catalyst sulfurized with different modified zeolites
Zhang, J; Lu, HL; Sun, JW; Yao, JD; Li, QZ; Guan, MH; Wang, JF; Ding, LH; Yin, ZQ; Hu, TD; Xie, YN; Hu TD(胡天斗); Xie YN(谢亚宁)
刊名CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE
2000
卷号21期号:10页码:1459-1463
关键词hydrocracking catalyst zeolites EXAFS NiWS phase
学科分类Chemistry
通讯作者Fudan Univ, Dept Chem, Shanghai 200437, Peoples R China ; Fushun Petr Res Inst, Fushun 113001, Peoples R China ; Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China
文章类型Article
英文摘要Four hydrocracking catalysts supported on different kinds of modified Y zeolites were studied by utilizing EXAFS (Extend X-ray Absorption Fine Structure). The results show that the Ni and W in the catalysts have not been thoroughly sulfided. Apart from the sulfided state, the tungsten in the sulfided catalysts exists in a state of oxosulfided tungsten while some nickels exist in their oxide state. In addition, it also shows that there are NiWS species in the sulfided catalysts and the amount of which shows a good correlation with the Bronsted acid sites of the mixture supports of zeolites and gamma-Al2O3. It means that the NiWS species maybe exist mainly in the cavities of the zeolites and the tungsten in micropore zeolites is more difficult to be sulfided than that on the surface of amorphous Al2O3.
类目[WOS]Chemistry, Multidisciplinary
研究领域[WOS]Chemistry
原文出处查看原文
语种英语
WOS记录号WOS:000089885400003
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/239366
专题中国科学院高能物理研究所_多学科研究中心_期刊论文
中国科学院高能物理研究所_实验物理中心
中国科学院高能物理研究所_多学科研究中心
中国科学院高能物理研究所_中国散裂中子源
作者单位中国科学院高能物理研究所
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GB/T 7714
Zhang, J,Lu, HL,Sun, JW,et al. EXAFS study of Ni/W/Zeolite/Al2O3 hydrocracking catalyst sulfurized with different modified zeolites[J]. CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,2000,21(10):1459-1463.
APA Zhang, J.,Lu, HL.,Sun, JW.,Yao, JD.,Li, QZ.,...&谢亚宁.(2000).EXAFS study of Ni/W/Zeolite/Al2O3 hydrocracking catalyst sulfurized with different modified zeolites.CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,21(10),1459-1463.
MLA Zhang, J,et al."EXAFS study of Ni/W/Zeolite/Al2O3 hydrocracking catalyst sulfurized with different modified zeolites".CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE 21.10(2000):1459-1463.
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