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Hydroformylation of Propene over Carbon Nanotubes-Supported Rh-Catalyst

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碳纳米管负载铑催化剂上丙烯氢甲酰化.pdf (254.3Kb)
Date
1997
Author
Zhang, Y
张宇
Wu, FX
吴氾昕
Zhang, HB
张鸿斌
Lin, GD
林国栋
Yuan, YZ
袁友珠
Tsai, KR
蔡启瑞
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  • 化学化工-已发表论文 [14469]
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Abstract
Effect of carbon nanotubes, as a novel support material, on the performance of Rh-catalyst supported by them was studied. Catalysts based on carbon nanotubes, SiO2, carbon molecular sieves, active carbon, and GDX-102(a copolymer of styrene with divinylbenzene), were prepared, and their catalytic behaviors for propene hydroformylation were investigated and compared. The results showed that, over the carbon nanotubes-supported Rh-catalyst. C3H6 conversion and regioselectivity of butyric aldehyde (represented by pi/i, a ratio of n-butyric aldehyde to its isomer, i-butyric aldehyde, in the products) were pronouncedly improved; the average turnover frequeney(TOF) for the catalytic hydroformylation of propene was 0.079 s(-1) at 393K, which was 2.1 times faster than that over the Rh catalyst based on SiO2, and the n/i ratio of the aldehyde products reached to 11.6, which was 19 times higher than that over the catalyst based on SiO2. The roles of six-membered C-ring at the surface of the carbon-nanotubes on the stability of the catalytically active Rh complexes and of the tubular nano-channel on the spatiospecific seletivity of reaction intermediate state and butyric aldehyde produced were discussed.
Citation
ACTA PHYSICO-CHIMICA SINICA,1997,13(12):1057-1060
URI
https://dspace.xmu.edu.cn/handle/2288/13504

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