Oxidative Desulfurization of Dibenzothiophene Catalyzed by VO(acac)2 in Ionic Liquids at Room Temperature

被引：11
作者：
Zhu, W. [1 ]
Xu, D. [1 ]
Li, H. [1 ]
Ding, Y. [1 ]
Zhang, M. [1 ]
Liu, H. [1 ]
Chao, Y. [1 ]
机构：
[1] Jiangsu Univ, Coll Chem & Chem Engn, Zhenjiang 212013, Peoples R China
来源：
PETROLEUM SCIENCE AND TECHNOLOGY | 2013年 / 31卷 / 14期
关键词：
extraction; oxidative desulfurization; H2O2; ionic liquids; VO(acac)(2); DEEP DESULFURIZATION; EXTRACTIVE DESULFURIZATION; DIESEL FUEL; GASOLINE; SOLVENT; OIL;
D O I：
10.1080/10916466.2010.545790
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
A simple extraction and catalytic oxidative desulfurization (ECODS) system composed of VO(acac)(2), 30% H2O2, and 1-butyl-3-methylimidazolium tetrafluoroborate ([Bmim]BF4) has been found to be suitable for the deep removal of dibenzothiophene (DBT) in model oil at room temperature. The optimal conditions were as follows: [n(H2O2)/n(DBT)/n(catalyst) = 100:20:1], model oil = 5 mL, ionic liquid [IL] = 1 mL, T = 30 degrees C, t = 2 hr. With the ECODS system, the sulfur removal of DBT could reach 99.6%, which was superior to that of the simple extraction with IL (15.6%) or oxidation without catalyst (17.1%). The IL could be recycled five times without a significant decrease in activity.
引用
收藏
页码：1447 / 1453
页数：7
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