Molybdenum-Containing Catalysts Based on Porous Aromatic Frameworks as Catalysts of Oxidation of Sulfur-Containing Compounds

被引：5
|
作者：
Akopyan, A. V. [1 ]
Eseva, E. A. [1 ]
Lukashov, M. O. [1 ]
Kulikov, L. A. [1 ]
机构：
[1] Moscow MV Lomonosov State Univ, Dept Chem, Moscow 119991, Russia
来源：
PETROLEUM CHEMISTRY | 2023年 / 63卷 / 03期
基金：
俄罗斯科学基金会;
关键词：
oxidative desulfurization; molybdenum-containing catalyst; porous aromatic frameworks; dibenzothiophene; DIESEL FUEL; DEEP DESULFURIZATION; OIL; ADSORPTION; PEROXIDE; DBT;
D O I：
10.1134/S0965544123010103
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
molybdenum-containing catalysts based on PAF-30 mesoporous carbon material for oxidation of sulfur-containing compounds (SCs) in a model fuel were synthesized. The PAF-30 support was modified with functional groups containing a positively charged nitrogen atom with various substituents. The modified supports were studied by the methods of low-temperature nitrogen adsorption/desorption, IR spectroscopy, and elemental analysis. The major factors affecting the oxidation were considered: reaction temperature and time, oxidant amount, catalyst dosage, and kind of sulfur-containing substrate. For the ??/PAF-30-NEt3 catalyst, optimum conditions were found for oxidation of various classes of SCs in model mixtures: H2O2 : S molar ratio 6 : 1, 60 degrees?, 60 min. The ??/PAF-30-NEt3 catalyst operates in dibenzothiophene (DBT) oxidation during five cycles without appreciable activity loss.
引用
收藏
页码：257 / 267
页数：11
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