Temperature dependence of catalytic cyclohexane partial oxidation in a polytetrafluoroethylene reactor |
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Authors: | D. Lončarević J. Krstić P. Banković S. Anić Ž Čupić |
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Affiliation: | (1) Department of Catalysis, Institute of Chemistry, Technology and Metallurgy, Njegoseva 12, 11000 Belgrade, Serbia;(2) Faculty for Physical Chemistry, University of Belgrade, P.O. Box 137, Studentski trg 16, 11001 Belgrade, Serbia |
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Abstract: | Polymer-supported Co(II) catalyst was prepared and its activity and selectivity in the partial oxidation of cyclohexane was determined at several temperatures in a polytetrafluoroethylene reactor (PTFE). The catalyst was characterized by means of SEM-EDX, FTIR, diffuse reflectance UV-Vis, N2 sorption, and mecury porosimetry. Activation energies were determined under steady state conditions for the net production of cyclohexanone and cyclohexanol and for cyclohexane and oxygen net consumption. Some activation energies were lower than the ones reported for the uncatalyzed process, indicating that the catalyst played an important role in the initiation of the free-radical reaction. The text was submitted by the authors in English. |
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