Journal
CATALYSIS COMMUNICATIONS
Volume 19, Issue -, Pages 80-84Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.catcom.2011.12.027
Keywords
Nitrocyclohexane; Hydrogenation; Pd/CNT catalyst; Cyclohexanone oxime
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Funding
- NSFC [20976148]
- program for New Century Excellent Talents in University [NCET-10-0168]
- Hunan Provincial Education Department [09CY007, CX2011B264]
- Hunan Provincial Science & Technology Department [2010WK2008, 2010GK3169]
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The Pd/C, Pt/C, Ni/CNT and Pd/CNT catalysts were prepared by impregnation method and characterized by BET, XRD. TEM and H-2 chemisorption. These catalysts were tested in the hydrogenation of nitrocyclohexane to cyclohexanone oxime. The results show that 5% Pd/CNT catalyst exhibits good performance, it gives nitrocyclohexane conversion of 97.6% and cyclohexanone oxime selectivity of 85.9% under mild conditions of 0.2 MPa and 323 K. The products include cyclohexanone oxime, cyclohexylamine, cyclohexanol and N-cyclohexylhydroxylamine. It has been found that higher temperature is in favor of the formation of cyclohexylamine, while the amount of cyclohexanol decreases with the increment of reaction temperature. (C) 2011 Elsevier B.V. All rights reserved.
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