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题名: Reducibility of Mo species in Pt/MoO3 and PtMo/Al2O3 catalysts
作者: Wang, J;  Li, WZ;  Yu, CY;  Chen, YX;  Zhang, YZ
关键词: TPR ;  H-2-TPD ;  semiconductivity ;  PtMo/Al2O3
刊名: REACTION KINETICS AND CATALYSIS LETTERS
发表日期: 1997-11-01
卷: 62, 期:2, 页:217-224
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: Reducibility of Mo species in Pt/MoO3 and PtMo/Al2O3 has been investigated by temperature-programmed reduction (TPR), temperature-programmed desorption of hydrogen (H-2-TPD) and temperature programmed electronic conductivity (TPEC) techniques. In Pt/MoO3 at H-2 atmosphere, it was found by TPEC and TPR that, a slight amount of Pt could activate the transfer of the species and H atoms between H-2 and MoO3, and thus accelerate the reduction of MoO3. In PtMo/Al2O3, TPR and H-2-TPD revealed that the reduction of surface Mo species could also be facilitated by Pt. Two kinds of hydrogen molybdenum species were proposed on the surface of the catalyst after prereduction.
关键词[WOS]: MOLYBDENA-ALUMINA CATALYSTS ;  METALS
语种: 英语
WOS记录号: WOS:000071752000003
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/142791
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, Dalian 116023, Peoples R China

Recommended Citation:
Wang, J,Li, WZ,Yu, CY,et al. Reducibility of Mo species in Pt/MoO3 and PtMo/Al2O3 catalysts[J]. REACTION KINETICS AND CATALYSIS LETTERS,1997,62(2):217-224.
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