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Metathesis of 1-Butene to Propene over Mo/Al2O3@SBA-15: Influence of Alumina Introduction Methods on Catalytic Performance
Zhang, Dazhou1,2; Li, Xiujie1; Liu, Shenglin1; Zhu, Xiangxue1; Chen, Fucun1; Xu, Longya1
关键词Alumina Metathesis Molybdenum Propene Sba-15
刊名CHEMISTRY-AN ASIAN JOURNAL
2015-08-01
DOI10.1002/asia.201500351
10期:8页:1647-1659
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Multidisciplinary
研究领域[WOS]Chemistry
关键词[WOS]MESOPOROUS MOLECULAR-SIEVES ; OLEFIN METATHESIS ; GAMMA-ALUMINA ; MOLYBDENUM OXIDES ; ACTIVE-SITES ; SOL-GEL ; SBA-15 ; SILICA ; SURFACE ; SUPPORT
英文摘要A series of Mo-based catalysts for 1-butene metathesis to propene were prepared by supporting Mo species on SBA-15 premodified with alumina. The effects of the method of introduction of the alumina guest to the host SBA-15 on the location of the Mo species and the corresponding metathesis activity were studied. As revealed by N-2 adsorption isotherms and TEM results, well-dispersed alumina was formed on the pore walls of SBA-15 if the ammonia/water vapor induced hydrolysis (NIH) method was employed. The Mo species preferentially interacted with alumina instead of SBA-15, as evidenced by X-ray photoelectron spectroscopy, time-of-flight secondary-ion mass spectrometry, and IR spectroscopy of adsorbed pyridine. Furthermore, new BrOnsted acid sites favorable for the dispersion of the Mo species and low-temperature metathesis activity were generated as a result of the effective synergy between the alumina and SBA-15. The Mo/Al2O3@SBA-15 catalyst prepared by the NIH method showed higher metathesis activity and stability under the conditions of 120 degrees C, 0.1MPa, and 1.5h(-1) than catalysts prepared by other methods.
语种英语
WOS记录号WOS:000358793000008
引用统计
被引频次:1[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/321008/146434
专题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, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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GB/T 7714
Zhang, Dazhou,Li, Xiujie,Liu, Shenglin,et al. Metathesis of 1-Butene to Propene over Mo/Al2O3@SBA-15: Influence of Alumina Introduction Methods on Catalytic Performance[J]. CHEMISTRY-AN ASIAN JOURNAL,2015,10(8):1647-1659.
APA Zhang, Dazhou,Li, Xiujie,Liu, Shenglin,Zhu, Xiangxue,Chen, Fucun,&Xu, Longya.(2015).Metathesis of 1-Butene to Propene over Mo/Al2O3@SBA-15: Influence of Alumina Introduction Methods on Catalytic Performance.CHEMISTRY-AN ASIAN JOURNAL,10(8),1647-1659.
MLA Zhang, Dazhou,et al."Metathesis of 1-Butene to Propene over Mo/Al2O3@SBA-15: Influence of Alumina Introduction Methods on Catalytic Performance".CHEMISTRY-AN ASIAN JOURNAL 10.8(2015):1647-1659.
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