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Synthesis and characterization of Fe- and Cu-doped molybdovanadophosphoric acids and their application in catalytic oxidation

Paper ID Volume ID Publish Year Pages File Format Full-Text
44379 46020 2007 8 PDF Available
Title
Synthesis and characterization of Fe- and Cu-doped molybdovanadophosphoric acids and their application in catalytic oxidation
Abstract

Heteropolycompounds, where one molybdenum atom of molybdophosphoric acid (M12P) was substituted by one vanadium atom, H4PMo11VO40, were synthesized and doped with Cu2+ or Fe3+. The prepared molybdovanadophosphates were characterized by Fourier transform infrared spectroscopy, 31P nuclear magnetic resonance, diffuse reflectance spectroscopy, X-ray diffraction, thermal analysis, potentiometric titration, and cyclic voltammetry. The catalytic performance testing showed that the prepared materials have high catalytic activity for the room temperature conversion of 2,6-dimethylphenol to 2,6-dimethyl-1,4-benzoquinone using aqueous hydrogen peroxide as oxidizing agent.

Graphical abstractKeggin heteropolycompounds based on H4PMo11VO40, were synthesized and doped with Cu2+ or Fe3+. They were characterized by Fourier transform infrared spectroscopy, 31P nuclear magnetic resonance, diffuse reflectance spectroscopy, X-ray diffraction, thermal analysis, potentiometric titration, and cyclic voltammetry. The catalytic performance testing showed that the prepared materials have high catalytic activity for the room temperature conversion of 2,6-dimethylphenol to 2,6-dimethyl-1,4-benzoquinone using aqueous hydrogen peroxide as oxidizing agent.Figure optionsDownload full-size imageDownload as PowerPoint slide

Keywords
Iron-(copper)-doped Keggin molybdovanadophosphate; Catalytic oxidation; 2,6-Dimethylphenol; 2,6-Dimethyl-1,4-benzoquinone
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Synthesis and characterization of Fe- and Cu-doped molybdovanadophosphoric acids and their application in catalytic oxidation
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 324, 17 May 2007, Pages 69–76
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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Price was $35.95
You save - $31
Price after discount Only $4.95
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