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Catalytic Oxidative Desulfurization of CTAB-encapsulating Vanadium Substituted Keggin-type Polyoxometalate Complexes
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WANG Yao1**，XI Yu1，WU Jia Chen1，YU Xia1,2*
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1. School of Material Science and Engineering, Beihua University, Jilin City 132000；
2. School of Pharmacy, Baicheng Medical College, Baicheng, Jilin City 137000
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Abstract
Vanadium substituted Keggin-type polyoxometalates [PMo12-xVxO40](3+x)-(X=1, 2, 3, 8) (abbreviated as PMoV) were encapsulated by simple surfactant CTAB forming the surfactant-encapsulated solid catalysts CTAB-PMo12-xVx, which exhibited high activity in oxidation desulfurization. The results showed that CTAB-PMo11V1 could make BT, DBT and its derivatives to be oxidized completely with the conversion of 100% within 6 h. CTAB-PMo11V1 was characterized by IR、XRD and SEM analysis. In addition, various factors affecting the oxidation desulfurization process, the stability of the catalyst and the reaction mechanism were discussed in the model oil.
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Published: 25 May 2023
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