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An IR study on selective hydrogenation of 1,3-butadiene on transition metal nitrides: 1,3-butadiene and 1-butene adsorption on Mo2N/gamma-Al2O3 catalyst
Wu, ZL; Hao, ZX; Ying, PL; Li, C; Xin, Q
刊名JOURNAL OF PHYSICAL CHEMISTRY B
2000-12-28
104期:51页:12275-12281
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Physical
研究领域[WOS]Chemistry
关键词[WOS]SUM-FREQUENCY GENERATION ; ETHYLENE HYDROGENATION ; HYDROCARBON LAYERS ; MOLYBDENUM NITRIDE ; CRYSTAL-SURFACES ; PT/SIO2 CATALYST ; LINEAR BUTENES ; HIGH-PRESSURES ; N-BUTANE ; IN-SITU
英文摘要The surface species formed from the adsorption of 1,3-butadiene and l-butene on Mo2N/gamma -Al2O3 catalyst have been characterized by in situ FT-IR spectroscopy with an attempt to get insight into the selective hydrogenation of 1,3-butadiene on transition metal nitride catalysts. 1,3-Butadiene adsorption on the Mo2N/ gamma -Al2O3 catalyst forms several kinds of chemisorbed surface species: pi -adsorbed butadiene (pi (s) and pi (d)); sigma -bonded species; dehydrogenated species. pi (s)- and sigma -bonded butene species are present on the surface for l-butene adsorption and reaction on the nitride catalyst. The presence of the pi (d)-adsorbed butadiene significantly prevents I-butene from its adsorption, further hydrogenation, and isomerization on the nitrided catalyst, accordingly resulting in high selectivity in the hydrogenation of 1,3-butadiene to l-butene. The surface nitrogen atoms weaken the interaction between 1,3-butadiene and the catalyst surface, and result in the high selectivity in the hydrogenation of 1,3-butadiene to 1-butene.
语种英语
WOS记录号WOS:000166161500028
引用统计
被引频次:24[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/138745
专题中国科学院大连化学物理研究所
作者单位Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
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GB/T 7714
Wu, ZL,Hao, ZX,Ying, PL,et al. An IR study on selective hydrogenation of 1,3-butadiene on transition metal nitrides: 1,3-butadiene and 1-butene adsorption on Mo2N/gamma-Al2O3 catalyst[J]. JOURNAL OF PHYSICAL CHEMISTRY B,2000,104(51):12275-12281.
APA Wu, ZL,Hao, ZX,Ying, PL,Li, C,&Xin, Q.(2000).An IR study on selective hydrogenation of 1,3-butadiene on transition metal nitrides: 1,3-butadiene and 1-butene adsorption on Mo2N/gamma-Al2O3 catalyst.JOURNAL OF PHYSICAL CHEMISTRY B,104(51),12275-12281.
MLA Wu, ZL,et al."An IR study on selective hydrogenation of 1,3-butadiene on transition metal nitrides: 1,3-butadiene and 1-butene adsorption on Mo2N/gamma-Al2O3 catalyst".JOURNAL OF PHYSICAL CHEMISTRY B 104.51(2000):12275-12281.
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