One-pot in-situ synthesis of coralloid supported VO2 catalyst for intensified aerobic oxidative desulfurization

Dibenzothiophene (DBT) is efficiently oxidized to dibenzothiophene sulfone (DBTO2) under the catalysis of coralloid catalyst 30% VO2/3D g-C3N4. [Display omitted] A coralloid 3D g-C3N4 supported VO2 catalyst was successfully synthesized in-situ by one-pot method, avoiding the agglomeration of VO2 dur...

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Published in:Chinese journal of chemical engineering 2023-04, Vol.56 (4), p.136-140
Main Authors: Xun, Suhang, Wu, Cancan, Tang, Lida, Yuan, Mengmeng, Chen, Haofeng, He, Minqiang, Zhu, Wenshuai, Li, Huaming
Format: Article
Language:English
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Summary:Dibenzothiophene (DBT) is efficiently oxidized to dibenzothiophene sulfone (DBTO2) under the catalysis of coralloid catalyst 30% VO2/3D g-C3N4. [Display omitted] A coralloid 3D g-C3N4 supported VO2 catalyst was successfully synthesized in-situ by one-pot method, avoiding the agglomeration of VO2 during the reaction. The morphological and compositional information of the supported catalyst were investigated detailedly. 30% VO2/3D g-C3N4 revealed excellent catalytic activity in aerobic oxidative desulfurization, the oxidative of dibenzothiophene (DBT), 4-methyldibenzothiophene (4-MDBT) and 4,6-dimethyldibenzothiophene (4,6-DMDBT) reached 98.6%, 99% and 99.4%, respectively, under the same mild conditions. The recycling performance and the mechanism on the oxidative of DBT were studied as well.
ISSN:1004-9541
2210-321X
DOI:10.1016/j.cjche.2022.07.005