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Fe-containing nickel phosphate molecular sieves as heterogeneous catalysts for phenol oxidation and hydroxylation with H2O2

Paper ID Volume ID Publish Year Pages File Format Full-Text
46738 46446 2011 8 PDF Available
Title
Fe-containing nickel phosphate molecular sieves as heterogeneous catalysts for phenol oxidation and hydroxylation with H2O2
Abstract

Fe-containing nickel phosphate molecular sieves (Fe-VSB-5) were hydrothermally synthesized in weak basic conditions under microwave irradiation and characterized by SEM, XRD, N2-adsorption/desorption, DRS-UV–vis, and FT-IR spectroscopy using PhCN and CDCl3 as probe molecules. The catalytic activity of Fe-VSB-5 was tested for the phenol hydroxylation and wet phenol oxidation with H2O2. The increase in iron content in Fe-VSB-5 leds to an increase in the reaction rates. The increases in activity can be explained by the role of the Fe species, which increases the generation of radicals. The Fe-VSB-5 samples were stable against the leaching out of Fe ions. The catalytic activity of Fe-VSB-5 was compared to the catalytic activity of traditional Fe-containing materials.

Graphical abstract.Figure optionsDownload full-size imageDownload as PowerPoint slideHighlights► Fe-containing nickel phosphate molecular sieves (Fe-VSB-5) were synthesized at pH 7.3 under microwave irradiation. ► Textural and acid–base properties of Fe-VSB-5 were examined. ► Fe-VSB-5 materials show interesting catalytic behaviour in hydroxylation of phenol and wet phenol oxidation with H2O2 at pH of reaction medium 8.2.

Keywords
Nickel phosphate molecular sieves VSB-5; Hydrogen peroxide; Phenol; Oxidation; Hydroxylation
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Fe-containing nickel phosphate molecular sieves as heterogeneous catalysts for phenol oxidation and hydroxylation with H2O2
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volume 107, Issues 1–2, 31 August 2011, Pages 197–204
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
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