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学科主题物理化学
Carbon covered alumina prepared by the pyrolysis of sucrose: A promising support material for the supported Pt-Sn bimetallic dehydrogenation catalysts
Luo, Sha1,2,3; He, Songbo1; Li, XianRu1,2; Sun, Chenglin1; Seshan, K.4; Sun CL(孙承林)
关键词Dehydrogenation Carbon Covered Alumina (Cca) Pyrolysis Pt-sn Catalysts Sucrose
刊名CATALYSIS TODAY
2014-10-01
DOI10.1016/j.cattod.2014.02.010
234期:1页:295-300
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Applied ; Chemistry, Physical ; Engineering, Chemical
研究领域[WOS]Chemistry ; Engineering
关键词[WOS]CHAIN-PARAFFIN DEHYDROGENATION ; ISOBUTANE DEHYDROGENATION ; PT-SN/AL2O3 CATALYSTS ; REFORMING CATALYST ; STRUCTURAL-CHARACTERIZATION ; PT-SN/GAMMA-AL2O3 CATALYST ; PTSNK/GAMMA-AL2O3 CATALYST ; PROPANE DEHYDROGENATION ; XPS CHARACTERIZATION ; SURFACE
英文摘要Sucrose was pyrolyzed on gamma alumina surface to prepare carbon covered alumina (CCA) material. Alumina and CCA supported Pt-Sn catalysts were prepared by the complex impregnation method under vacuum. Dehydrogenation of n-octadecane was performed to study the effect of carbon addition, Pt loading and Sn/Pt weight ratio on the catalytic dehydrogenation activity, selectivity and catalyst stability. BET, mercury porosimetry, XRD, CO-chemisorption, TPR and TG-DTA were used for the carrier and the corresponding catalyst characterization. The results showed that more carbon addition, Pt loading and higher Sn/Pt ratio are propitious to the mono-olefin selectivity and catalyst stability. Pt-Sn was easily formed on the Pt-Sn/CCA catalysts, especially when the Pt loading and Sn/Pt ratio were very high. To keep optimal dehydrogenation conversion, taking consideration to good selectivity and stability, the carbon content, Pt and Sn loading of Pt-Sn/CCA catalysts should be 8.37 wt.%, 0.5 wt.% and 3 wt.%, respectively. (C) 2014 Elsevier B.V. All rights reserved.
语种英语
WOS记录号WOS:000339132900039
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/144255
专题中国科学院大连化学物理研究所
通讯作者Sun CL(孙承林)
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Dalian Univ Technol, Sch Chem Engn, State Key Lab Fine Chem, Dalian 116012, Peoples R China
4.Univ Twente, MESA Inst Nanotechnol, NL-7500 AE Enschede, Netherlands
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Luo, Sha,He, Songbo,Li, XianRu,et al. Carbon covered alumina prepared by the pyrolysis of sucrose: A promising support material for the supported Pt-Sn bimetallic dehydrogenation catalysts[J]. CATALYSIS TODAY,2014,234(1):295-300.
APA Luo, Sha,He, Songbo,Li, XianRu,Sun, Chenglin,Seshan, K.,&孙承林.(2014).Carbon covered alumina prepared by the pyrolysis of sucrose: A promising support material for the supported Pt-Sn bimetallic dehydrogenation catalysts.CATALYSIS TODAY,234(1),295-300.
MLA Luo, Sha,et al."Carbon covered alumina prepared by the pyrolysis of sucrose: A promising support material for the supported Pt-Sn bimetallic dehydrogenation catalysts".CATALYSIS TODAY 234.1(2014):295-300.
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