Selective oxidation of cyclopentene to glutaraldehyde by H<sub>2</sub>O<sub>2</sub> over Nb-SBA-15

Activated carbon supported Nb2O5 catalysts were prepared and applied in the selective catalytic oxidation of cyclopentene to glutaraldehyde with 30 % H2O2 as the oxidant. The 12 %Nb2O5/AC catalysts were characterized by the X‐ray diffraction, transmission electron microscopy and X‐ray photoelectron spectroscopy; the results indicated Nb2O5 particles are of amorphous character. The effects of reaction conditions on the selective catalytic oxidation of cyclopentene were investigated. The conversion of cyclopentene was 84.3 % and the selectivity to glutaraldehyde was up to 75.3 % under the optimized reaction conditions. The radicals trapping experiments combined with the ATR infrared spectra characterization demonstrated that the reactive oxygen species for the catalytic oxidation of cyclopentene to glutaraldehyde over the Nb2O5/AC catalyst are superoxide radical and Nb(OO) species. The adsorbed organic species on the catalyst surface could lead to deactivation of the catalyst.

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Selective Catalytic Oxidation of Cyclopentene to Glutaraldehyde over Amorphous Nb₂O₅/AC Catalysts

Zhang

Mai

Chen

et al. 2022

ChemistrySelect

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Preparation and Characterization of Nb2O5/C-CNT Catalysts for the Selective Oxidation of Cyclopentene to Glutaraldehyde

Han,

Shi,

Han

et al. 2024

Catal Lett

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Lacunary silicotungstic heteropoly salts as high-performance catalysts in oxidation of cyclopentene

Chen

Fang

Xie

et al. 2023

Chinese Journal of Chemical Engineering

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Selective oxidation of cyclopentene to glutaraldehyde by H₂O₂ over Nb-SBA-15

Abstract: A series of niobium-containing mesoporous materials Nb-SBA-15 have been prepared by sonication–impregnation and hydrothermal process. The dispersion and structural properties of niobium-containing species were systematically characterized by X-ray diffraction, scanning...

Cited by 5 publications

References 36 publications

Selective Catalytic Oxidation of Cyclopentene to Glutaraldehyde over Amorphous Nb₂O₅/AC Catalysts

Selective Catalytic Oxidation of Cyclopentene to Glutaraldehyde over Amorphous Nb₂O₅/AC Catalysts

Preparation and Characterization of Nb2O5/C-CNT Catalysts for the Selective Oxidation of Cyclopentene to Glutaraldehyde

Lacunary silicotungstic heteropoly salts as high-performance catalysts in oxidation of cyclopentene

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Selective oxidation of cyclopentene to glutaraldehyde by H2O2 over Nb-SBA-15

Abstract: A series of niobium-containing mesoporous materials Nb-SBA-15 have been prepared by sonication–impregnation and hydrothermal process. The dispersion and structural properties of niobium-containing species were systematically characterized by X-ray diffraction, scanning...

Cited by 5 publications

References 36 publications

Selective Catalytic Oxidation of Cyclopentene to Glutaraldehyde over Amorphous Nb2O5/AC Catalysts

Selective Catalytic Oxidation of Cyclopentene to Glutaraldehyde over Amorphous Nb2O5/AC Catalysts

Preparation and Characterization of Nb2O5/C-CNT Catalysts for the Selective Oxidation of Cyclopentene to Glutaraldehyde

Lacunary silicotungstic heteropoly salts as high-performance catalysts in oxidation of cyclopentene

Contact Info

Product

Resources

About

Selective oxidation of cyclopentene to glutaraldehyde by H₂O₂ over Nb-SBA-15

Selective Catalytic Oxidation of Cyclopentene to Glutaraldehyde over Amorphous Nb₂O₅/AC Catalysts

Selective Catalytic Oxidation of Cyclopentene to Glutaraldehyde over Amorphous Nb₂O₅/AC Catalysts