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题名: Promoting effect of Al on tethered ligand-modified Rh/SiO2 catalysts for ethylene hydroformylation
作者: Liu, Jia1, 3;  Yan, Li1;  Ding, Yunjie1, 2;  Jiang, Miao1, 3;  Dong, Wenda1, 3;  Song, Xiangen1;  Liu, Tao1;  Zhu, Hejun1
关键词: Rhodium ;  Al ;  Tethered phosphine ;  Ethylene ;  Hydrofromylation
刊名: APPLIED CATALYSIS A-GENERAL
发表日期: 2015-02-25
DOI: 10.1016/j.apcata.2014.12.011
卷: 492, 页:127-132
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Life Sciences & Biomedicine
类目[WOS]: Chemistry, Physical ;  Environmental Sciences
研究领域[WOS]: Chemistry ;  Environmental Sciences & Ecology
英文摘要: A Rh/SiO2 catalyst with excellent activity and stability for ethylene hydroformylation was developed by modifying with tethered diphenylphosphinopropyl and doped with an Al promoter. The catalyst was characterized by means of N-2 adsorption/desorption isotherms, transmission electron microscope, NH3 temperature programmed desorption, Fourier transform infrared spectroscopy and solid-state nuclear magnetic resonance. Experimental results showed that the existence of the Al promoter inhibited the growth of Rh particles, increased the number of exposed Rh atoms, changed the acidity of the catalyst surface, promoted in situ formation of active species that were similar to their corresponding homogeneous counterparts, and enhanced electron density of the P atom in the phosphine ligand. (C) 2014 Elsevier B.V. All rights reserved.
关键词[WOS]: METAL-COMPLEXES ;  VAPOR-PHASE ;  SILICA ;  PHOSPHINES ;  HYDROGENATION ;  PROPYLENE ;  STABILITY ;  1-HEXENE ;  PROPENE ;  ALKENES
语种: 英语
WOS记录号: WOS:000350185600015
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/145926
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 Natl Lab Clean Energy, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100039, Peoples R China

Recommended Citation:
Liu, Jia,Yan, Li,Ding, Yunjie,et al. Promoting effect of Al on tethered ligand-modified Rh/SiO2 catalysts for ethylene hydroformylation[J]. APPLIED CATALYSIS A-GENERAL,2015,492:127-132.
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