Alkane Oxidation on Co- and Mn-containing MolencularSieves by Molecular Oxygen

Abstract

Abstract: MeAlPO-5, MeAPSO-35, MeAlPO-l8 and MeAPSO-18(Me=Co, Mn) were prepared by hy-drothermal synthesis and were characterized by XRDand TPD(NH₃).Their catalytic properties for theoxidation of octane were studied by using oxygen as the oxidant.In the oxidative products, there were oc-tanones, octanols, cracked oxygenates and oxygenates with more than one functional group.The selectivi-ty over different catalysts was similar.The ratio of n(octanone)/n(octanol) on MeAPSOwas higher thanthat over the same type MeAlPOmolecular sleve.The experiment of catalyst removal showed the oxida-tion was a heterogeneous reaction.Moreover, the effects of reaction time and temperature on the oxidationwere also investigated.According to the results, we discussed the reaction mechanism.

Key words: Molecular sieves containing metals, Oxygen, Alkane, Oxidation

CLC Number:

O643

TrendMD:

TIAN Peng, XU Lei, HUANG Tao, XIE Peng, LIU Zhong-Min. Alkane Oxidation on Co- and Mn-containing MolencularSieves by Molecular Oxygen[J]. Chem. J. Chinese Universities, 2002, 23(4): 656.

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Alkane Oxidation on Co- and Mn-containing MolencularSieves by Molecular Oxygen

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