Selective oxidation of light alkanes over Mo-based oxide catalysts |
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| Authors: | W. Ueda W. Li N. F. Chen M. Kida K. Oshihara |
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| Affiliation: | (1) Department of Environmental Chemistry and Engineering, Tokyo Institute of Technology, Nagatsutacho, Midori-ku, Yokohama 226-0087, Japan;(2) Department of Materials Science and Engineering, Science University of Tokyo in Yamaguchi, 1-1-1 Daigaku-dori, Onoda-shi, Yamaguchi 765-0884, Japan |
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| Abstract: | A highly reduced Keggin-type heteropolymolybdophosphate, H3PMo12O40(Py), which was formed by the heat-treatment of pyridinium salt of H3PMo12O40, can catalyze the propane oxidation to acrylic acid and acetic acid selectively. We propose a possible reaction mechanism for alkane oxidation, where protons and electrons on the reduced H3PMo12O40 catalyst cooperate for activating molecular oxygen to form electrophilic oxygen species for alkane oxidation. It is also reported that Anderson-type heteropolycompounds linked with vanadyl cations VO2+ were able to be synthesized by hydrothermal reaction and showed good catalytic activity for the ethene oxidation to acetic acid. |
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