Additive telluromolybdates. Structure and catalysis in oxidation |
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Authors: | Hiromu Hayashi |
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Institution: | (1) Department of Chemical Science and Technology, Faculty of Engineering, University of Tokushima, Minamijosanjima, Tokushima, 7708506, Japan |
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Abstract: | Additive telluromolybdates, MoO3·2TeO2 and MIIO·TeO2·MoO3 (MIITeMoO6; MII = Co, Mn, Zn), converted ethyl lactate selectively to pyruvate in a vaporphase fixedbed flow system at 250–300 °C. A synergy in activity was observed for binary TeO2–MoO3, and crystalline Te2MoO7 was suggested as the active species. The Rietveld analysis of powder XRD patterns of ternary CoTeMoO6 revealed the layer structure quite different from that of the reference Te2MoO7, but tellurium was again located adjacent to molybdenum linked through lattice oxygen. |
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Keywords: | synergy oxide catalyst selective oxidation ethyl lactate gif" alt="agr" align="BASELINE" BORDER="0">Te2MoO7" target="_blank">gif" alt="dash" align="MIDDLE" BORDER="0">Te2MoO7 MIITeMoO6 (MII = Co Mn Zn) |
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