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题名: The modification of molybdenum nitrides: the effect of the second metal component
作者: Li, Y;  Zhang, Y;  Raval, R;  Li, C;  Zhai, R;  Xin, Q
关键词: catalysis ;  nitride ;  HDN ;  XRD ;  SEM ;  TDA ;  coprecipitation ;  molybdenum ;  cobalt ;  zirconium ;  cerium ;  bimetallic ;  MoO3 ;  gamma-Mo2N
刊名: CATALYSIS LETTERS
发表日期: 1997
卷: 48, 期:3-4, 页:239-245
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
英文摘要: A set of Mo2N-based bimetallic catalysts with high surface area around 140 m(2)/g have been successfully prepared from precursors obtained using the coprecipitation method. Both the precursors and the end-catalysts were characterized using scanning electron microscopy (SEM) and X-ray diffraction (XRD). The nitriding processes were monitored by differential thermal analysis (TDA). The catalytic properties of Co-Mo bimetallic catalyst under medium pressure (3.0 MPa) are much better for the hydradenitrogenation of pyridine than those of pure gamma-Mo2N and a commercially used sulfided CoMo/Al2O3 catalyst. The introduction of the second metal component has been shown to disrupt the morphology of the nitride phase with a greater concentration of (111) planes being present compared to (200) planes, a situation that is reversed compared to gamma-Mo2N.
关键词[WOS]: REACTION PATHWAYS ;  SURFACE OXYGEN ;  CARBIDES ;  CATALYSTS ;  HYDRODENITROGENATION ;  HYDRODESULFURIZATION ;  HYDROGENATION ;  TUNGSTEN ;  MO2N ;  AREA
语种: 英语
WOS记录号: WOS:000071291600014
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/142812
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Univ Liverpool, Leverhulme Ctr Innovat Catalysis, Liverpool L69 3BX, Merseyside, England
3.Univ Liverpool, Interdisciplinary Res Ctr Surface Sci, Liverpool L69 3BX, Merseyside, England

Recommended Citation:
Li, Y,Zhang, Y,Raval, R,et al. The modification of molybdenum nitrides: the effect of the second metal component[J]. CATALYSIS LETTERS,1997,48(3-4):239-245.
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