A Novel Ternary Catalyst PW4@MOF-808@SBA-15 for Deep Extraction Oxidation Desulfurization of Model Diesel

In this work, a novel heterogeneous catalyst consisting of peroxophosphotungstate, microporous MOF-808, and mesoporous SBA-15 was synthesized, characterized, and used to remove sulfides from model fuel. The prepared material, PW4@MOF-808@SBA-15, exhibits excellent catalytic activity with a desulfuri...

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Bibliographic Details
Published inMolecules (Basel, Switzerland) Vol. 29; no. 17; p. 4230
Main Authors Gao, Yan, Huang, Shuai, Han, Nina, Zhao, Jianshe
Format Journal Article
LanguageEnglish
Published Basel MDPI AG 06.09.2024
Subjects
Adsorption
chemical process
Environmental impact
extraction oxidation desulfurization
Hydrogen sulfide
mesoporous SBA-15
MOF-808
Nanocrystals
Oxidation
polyoxometalate
Sulfur content
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Summary:In this work, a novel heterogeneous catalyst consisting of peroxophosphotungstate, microporous MOF-808, and mesoporous SBA-15 was synthesized, characterized, and used to remove sulfides from model fuel. The prepared material, PW4@MOF-808@SBA-15, exhibits excellent catalytic activity with a desulfurization efficiency of 99.8% in 60 min for multicomponent simulated fuel, and the desulfurization rate can reach more than 90% after ten consecutive cycles. The excellent catalytic activity and reusability are attributed to the hierarchically porous hybrid material MOF-808@SBA-15, which can effectively encapsulate PW4 and provide a site for the oxidation of sulfides.
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ISSN:1420-3049
1420-3049
DOI:10.3390/molecules29174230