Short CommunicationHydrogenation of NITROCYCLOHEXANE (cas 1122-60-7) to cyclohexanone oxime over Pd/CNT catalyst under mild conditions
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Add time:09/25/2019 Source:sciencedirect.com
The Pd/C, Pt/C, Ni/CNT and Pd/CNT catalysts were prepared by impregnation method and characterized by BET, XRD, TEM and H2 chemisorption. These catalysts were tested in the hydrogenation of NITROCYCLOHEXANE (cas 1122-60-7) 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.
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