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Preparation of Mo2C/HZSM-5 and its catalytic performance for the conversion of n-butane into aromatics
Yuan, S; Hamid, SBDA; Li, Y; Ying, P; Xin, Q; Derouane, EG; Li, C
关键词N-c4h10 Mo/hzsm-5 Molybdenum Carbide Aromatisation
刊名JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL
2002-06-17
184期:1-2页:257-266
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]MOLYBDENUM CARBIDE CATALYSTS ; TRANSITION-METAL CARBIDES ; ZEOLITE CATALYSTS ; NONOXIDATIVE CONVERSION ; UNSUPPORTED POWDERS ; ZSM-5 ZEOLITES ; METHANE ; TRANSFORMATION ; HYDROGENATION ; HYDROCARBONS
英文摘要The preparation of alpha-MoC1-x/HZSM-5 and beta-Mo2C/HZSM-5 from the carburisation of MoO3/HZSM-5 by n-C4H10/H-2 were investigated. It is found that alpha-MoC1-x/HZSM-5 can be produced from the carburisation of MoO3/HZSM-5 by n-C4H10/H-2 between 813 and 973K. The treatment of alpha-MoC1-x/RZSM-5 with H-2 above 873K leads to the production of beta-Mo2C/HZSM-5. The aromatisation of alpha-C4H10 was investigated using Mo2C/HZSM-5 as the catalyst. It shows that n-butane is mainly cracked on HZSM-5, while the production of aromatics is significantly promoted when Mo2C is loaded on HZSM-5. The optimal molybdenum loading is in the range of 3-6wt.% and alpha-MoC1-x/HZSM-5 has better aromatisation performance than beta-Mo2C/HZSM-5. On the other hand, when Mo2C is supported on HZSM-5, the activity and durability of Mo2C for the aromatisation of n-butane are greatly improved, the acidity of HZSM-5 is also helpful for the aromatisation performance of Mo2C/HZSM-5. The effect of temperature on the aromatisation of n-butane indicates that the acidity of HZSM-5 plays predominant role in the activation of n-butane at low reaction temperatures while both Mo2C and HZSM-5 contribute to the aromatisation of n-butane at high reaction temperatures. (C) 2002 Elsevier Science B.V. All rights reserved.
语种英语
WOS记录号WOS:000176634000030
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文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/139213
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, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Univ Liverpool, Leverhulme Ctr Innovat Catalysis, Dept Chem, Liverpool L69 7ZD, Merseyside, England
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Yuan, S,Hamid, SBDA,Li, Y,et al. Preparation of Mo2C/HZSM-5 and its catalytic performance for the conversion of n-butane into aromatics[J]. JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL,2002,184(1-2):257-266.
APA Yuan, S.,Hamid, SBDA.,Li, Y.,Ying, P.,Xin, Q.,...&Li, C.(2002).Preparation of Mo2C/HZSM-5 and its catalytic performance for the conversion of n-butane into aromatics.JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL,184(1-2),257-266.
MLA Yuan, S,et al."Preparation of Mo2C/HZSM-5 and its catalytic performance for the conversion of n-butane into aromatics".JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL 184.1-2(2002):257-266.
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