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Preparation of H5PMo10V2O40 catalyst immobilized on nitrogen-containing mesostructured cellular foam carbon (N-MCF-C) and its application to the vapor-phase oxidation of benzyl alcohol |
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| Authors: | Heesoo Kim Ji Chul Jung Dong Ryul Park Howon Lee Joohyung Lee Sang Hee Lee Sung-Hyeon Baeck Kwan-Young Lee Jongheop Yi In Kyu Song |
| Affiliation: | aSchool of Chemical and Biological Engineering, Institute of Chemical Processes, Seoul National University, Shinlim-dong, Kwanak-ku, Seoul 151-744, Republic of Korea bDepartment of Chemical Engineering, Inha University, Incheon 402-751, Republic of Korea cDepartment of Chemical and Biological Engineering, Korea University, Annam-dong, Sungbuk-ku, Seoul 136-701, Republic of Korea |
| Abstract: | Nitrogen-containing mesostructured cellular foam carbon (N-MCF-C) was synthesized by a templating method using mesostructured cellular foam silica (MCF-S) and polypyrrole as a templating agent and a carbon precursor, respectively. The N-MCF-C was then modified to have a positive charge, and thus, to provide a site for the immobilization of PMo10V2O40]5?. By taking advantage of the overall negative charge of PMo10V2O40]5?, H5PMo10V2O40 (PMo10V2) catalyst was chemically immobilized on the N-MCF-C support as a charge-matching component. Characterization results showed that the PMo10V2 catalyst was finely dispersed on the N-MCF-C support via strong chemical interaction, and that the pore structure of N-MCF-C was still maintained even after the immobilization of PMo10V2. In the vapor-phase oxidation of benzyl alcohol, the PMo10V2/N-MCF-C catalyst showed a higher conversion and a higher oxidation activity (formation of benzaldehyde) than the unsupported PMo10V2 and PMo10V2/MCF-S catalysts. |
| Keywords: | Heteropolyacid Nitrogen-containing mesostructured cellular foam carbon Chemical immobilization Benzyl alcohol oxidation |
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