DICP OpenIR
Self-metathesis of 1-butene to ethene and hexene over molybdenum-based heterogeneous catalysts
Guo, Ce1,2; Li, Xiujie1; Zhu, Xiangxue1; Chu, Weifeng1,2; Liu, Shenglin1; Wang, Yuzhong1; Zeng, Peng3; Guo, Shujing4; Xu, Longya1
Keyword1-butene Self-metathesis Molybdenum Ethene Hexene
Source PublicationCHINESE JOURNAL OF CATALYSIS
2018-01-18
ISSN1872-2067
DOI10.1016/S1872-2067(17)62918-8
Volume39Issue:1Pages:37-46
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
WOS SubjectChemistry, Applied ; Chemistry, Physical ; Engineering, Chemical
WOS Research AreaChemistry ; Engineering
WOS KeywordOLEFIN METATHESIS ; CROSS-METATHESIS ; OXIDE CATALYSTS ; SILICA-ALUMINA ; PROPENE ; PROPYLENE ; MO ; CONVERSION ; MOLYBDATE ; ETHYLENE
AbstractA novel route involving self-metathesis of 1-butene under mild conditions that gave high yields of ethene and hexene was proposed. The results of thermodynamic analysis revealed that the Gibbs energy of the target Metathesis I reaction (1-butene > ethene + 3-hexene) was much higher than that of the main side Metathesis II (1-butene + 2-butene -> propene + 2-pentene). Suppression of 1-butene double-bond isomerization was the key step to increase the selectivity for the target olefin in the reaction network. The relationship between the catalytic performance and support nature was investigated in detail. On basis of H-2-TPR, UV-Vis spectra and HRTEM results, an alumina (Al2O3) support with large surface area was beneficial for the dispersion of molybdenum (Mo) species. Both suitable acidity and sufficient Mo dispersion were important to selectively promote the self-metathesis reaction of 1-butene. On the optimal 6Mo/Al2O3 catalyst, 1-butene conversion reached 47% and ethene selectivity was as high as 42% on the premise of good catalytic stability (80 degrees C, 1.0 MPa, 3 h(-1)). (C) 2018, Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B.V. All rights reserved.
Language英语
WOS IDWOS:000428822100006
PublisherSCIENCE PRESS
Citation statistics
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/169013
Collection中国科学院大连化学物理研究所
Corresponding AuthorLi, Xiujie; Xu, Longya
Affiliation1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Dalian 116023, Liaoning, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.China Huanqiu Contracting & Engn Corp, Fushun 113006, Liaoning, Peoples R China
4.Shaanxi Yanchang Petr Grp Co Ltd, Yanan 716000, Shaanxi, Peoples R China
Recommended Citation
GB/T 7714
Guo, Ce,Li, Xiujie,Zhu, Xiangxue,et al. Self-metathesis of 1-butene to ethene and hexene over molybdenum-based heterogeneous catalysts[J]. CHINESE JOURNAL OF CATALYSIS,2018,39(1):37-46.
APA Guo, Ce.,Li, Xiujie.,Zhu, Xiangxue.,Chu, Weifeng.,Liu, Shenglin.,...&Xu, Longya.(2018).Self-metathesis of 1-butene to ethene and hexene over molybdenum-based heterogeneous catalysts.CHINESE JOURNAL OF CATALYSIS,39(1),37-46.
MLA Guo, Ce,et al."Self-metathesis of 1-butene to ethene and hexene over molybdenum-based heterogeneous catalysts".CHINESE JOURNAL OF CATALYSIS 39.1(2018):37-46.
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