Iron-doped Co3O4 catalysts prepared by a surfactant-assisted method as effective catalysts for malic acid oxidative decarboxylation

Gheorghita Mitran; Stefan Neatu; Octavian Dumitru Pavel

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Iron-doped Co3O4 catalysts prepared by a surfactant-assisted method as effective catalysts for malic acid oxidative decarboxylation

机译：Iron-doped Co3O4 catalysts prepared by a surfactant-assisted method as effective catalysts for malic acid oxidative decarboxylation

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Iron-doped Co3O4 oxides prepared by a surfactant-assisted method exhibited good catalytic activity in malic acid conversion, and the oxygen deffects associated with the presence of Co~(2+) played a key role in catalyst activation for pyruvic acid production. The most active catalyst, for which the malic acid conversion was 70% and the pyruvic acid yield was 24%, has an inverse spinel type structure (Fe~(3+) replaces Co~(2+) from tetrahedral sites, while Fe~(2+) replaces Co~(3+) from octahedral sites) as well as a small energy difference between the highest occupied orbital and the lowest unoccupied orbital (low band-gap, Eg). The catalyst with the highest Co~(2+) loading showed the highest yield of pyruvic acid.

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《Catalysis science & technology》 |2023年第15期|4420-4434|共15页
作者
Gheorghita Mitran; Stefan Neatu; Octavian Dumitru Pavel;
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作者单位

Department of Inorganic, Organic Chemistry, Biochemistry & Catalysis, Faculty of Chemistry, University of Bucharest, 4-12, Blv. Regina Elisabeta, 030018 Bucharest, Romania;

National Institute of Material Physics, 405A Atomistilor Street, PO Box MG 7, 077125 Magurele, Romania;

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正文语种英语
中图分类物理化学（理论化学）、化学物理学;
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Iron-doped Co3O4 catalysts prepared by a surfactant-assisted method as effective catalysts for malic acid oxidative decarboxylation

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