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Phosphotungstic acid containing ionic liquid immobilized on magnetic mesoporous silica rod catalyst for the oxidation of dibenzothiophene with H2O2

Paper ID Volume ID Publish Year Pages File Format Full-Text
50506 46797 2013 5 PDF Available
Title
Phosphotungstic acid containing ionic liquid immobilized on magnetic mesoporous silica rod catalyst for the oxidation of dibenzothiophene with H2O2
Abstract

•Phosphotungstic acid containing magnetic mesoporous silica rod is synthesized.•The catalyst has high specific surface area and mesoporous structures.•The catalysts exhibit high activity for the oxidation of dibenzothiophene.•The conversion could reach 99%; the reaction time was short.•The catalyst can be easily separated from the reaction system.

We have synthesized phosphotungstic acid (PA) containing ionic liquid 1-methyl-3-[(triethoxysilyl) propyl] imidazolium chloride (IL) immobilized on magnetic mesoporous silica rod to catalyze dibenzothiophene (DBT) for producing dibenzothiophene monoxide (DBTO) and dibenzothiophene dioxide (DBTO2). The effects of reaction time and reaction temperature on the conversion of DBT were studied. It was demonstrated that the catalyst was extremely effective for the reaction and the catalyst could be easily separated from the reaction solution by applying an external magnetic field and recycled several times.

Graphical abstractSynthesis of phosphotungstic acid containing ionic liquid immobilized on magnetic mesoporous silica rod (MMSR-IL-PA).Figure optionsDownload full-size imageDownload as PowerPoint slide

Keywords
Phosphotungstic acid; Ionic liquid; Magnetite mesoporous silica; Dibenzothiophene
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Phosphotungstic acid containing ionic liquid immobilized on magnetic mesoporous silica rod catalyst for the oxidation of dibenzothiophene with H2O2
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 38, 5 August 2013, Pages 54–58
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
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
Online Support
Any Questions? feel free to contact us