Formation of an intermetallic compound Pd3Te with deactivation of Te/Pd/C catalysts for selective oxidation of sodium lactate to pyruvate in aqueous phase |
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| Authors: | H Hayashi S Sugiyama N Shigemoto K Miyaura S Tsujino K Kawashiro S Uemura |
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| Affiliation: | (1) Department of Chemical Science and Technology, University of Tokushima, Minamijosanjima, 770 Tokushima, Japan;(2) Shikoku Research Institute Inc., Yashima-nishi, 761-01 Takamatsu, Japan;(3) Department of Hydrocarbon Chemistry, Faculty of Engineering, Kyoto University, Yoshida, 606 Kyoto, Japan |
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| Abstract: | The addition of a trace amount of Te promoted the activity of Pd/C in the liquid-phase oxidation of lactic acid, but the Te/Pd/C catalyst, for which Pd3Te crystalline phase extended over the bulk at a higher Te-doping above Te/Pd = 0.3 (atom), was again inactive. A powder XRD evidence for Pd3Te is given. |
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| Keywords: | XRD Pd3Te deactivation liquid-phase oxidation sodium lactate |
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