Catalytic Oxidative Desulfurization of Model Oil by MoO3/Mesoporous Al2O3

Chem. J. Chinese Universities ›› 2011, Vol. 32 ›› Issue (3): 778.

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Catalytic Oxidative Desulfurization of Model Oil by MoO3/Mesoporous Al2O3

LI Yu-Hui, FENG Li-Juan*, WANG Jing-Gang, ZHOU Xuan, CHENG Bin-Bin, WANG Xiao-Yan, LI Chun-Hu

College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, China

Received:2010-10-15 Revised:2010-12-12 Online:2011-03-10 Published:2011-02-23
Contact: FENG Li-Juan E-mail:fenglj@ouc.edu.cn
Supported by:
青岛市科技局科技计划项目(批准号: 07-2-3-13-jch)资助.

Abstract

Abstract: In the MoO3/mesoporous Al2O3-H2O2 system，a simulated oil consisting of model sulfur compounds, such as benzothiophene (BT) , dibenzothiophene (DBT) ,4 ,6-dimethyldibenzothiophene (4 ,6-DMDBT) and thiophene (Th) , and cyclohexane as solvent was employed in the oxidative desulfurization study .The effects of catalyst, dosage of oxidation agent and reaction condition on desulfurization activity were investigated .It was showed that the removal efficiency of DBT at 60℃ was as high as 99.4% when the content of MoO3, dosage of catalyst and the molar ratio of H2O2 to sulfur were 20% ,1.5% and 4, respectively. Under the optimum conditions, the oxidative activity of the model sulfur compounds follows the order of DBT > 4,6-DMDBT >BT>Th.

Key words: Model oil, Molybdenum trioxide, Mesoporous alumina, Catalytic oxidation, Desulfurization

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LI Yu-Hui, FENG Li-Juan*, WANG Jing-Gang, ZHOU Xuan, CHENG Bin-Bin, WANG Xiao-Yan, LI Chun-Hu. Catalytic Oxidative Desulfurization of Model Oil by MoO3/Mesoporous Al2O3[J]. Chem. J. Chinese Universities, 2011, 32(3): 778.

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Catalytic Oxidative Desulfurization of Model Oil by MoO3/Mesoporous Al2O3

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