Eco-friendly catalyst in ultrasonic-assisted oxidative desulfurization of dibenzothiophene compound

被引：0
|
作者：
El-Aty, Dina M. Abd [1 ]
Alkahlawy, Amal A. [1 ,2 ]
Soliman, Fathi S. [1 ,2 ]
机构：
[1] Egyptian Petr Res Inst, Petr Refining Div, POB 11727, Nasr City, Cairo, Egypt
[2] Egyptian Petr Res Inst, EPRI Nanotechnol Ctr, POB 11727, Nasr City, Cairo, Egypt
来源：
MATERIALS CHEMISTRY AND PHYSICS | 2024年 / 320卷
关键词：
Ultrasonic; Eco-friendly catalyst; Oxidative desulfurization; Activated carbon; Dibenzothiophene; EFFICIENT; HYBRID; SOLVENTS;
D O I：
10.1016/j.matchemphys.2024.129414
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
10 W t.% WO3@activated carbon was prepared from apple peel and used as a catalyst in ultrasonic -assisted oxidative desulfurization of dibenzothiophene@octane in the presence of H2O2 as an oxidant. The physical characteristics of the prepared catalyst were investigated using X-ray diffraction, N2 -adsorption -desorption, and scanning electron microscope. The reaction time, oxidant dose, catalyst dose, and sulfur compound concentration were studied to reach 99 % dibenzothiophene removal at ambient conditions and after four cycles the efficiency of dibenzothiophene removal can reach 97.7 %. The kinetic parameters were studied and indicate the ultrasonicassisted oxidative desulfurization reaction is pseudo -second order.
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页数：8
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