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MoO3/Al2O3介孔催化剂在柴油氧化脱硫中的应用
引用本文:李宇慧,冯丽娟,王景刚,徐康文,李春虎.MoO3/Al2O3介孔催化剂在柴油氧化脱硫中的应用[J].石油学报(石油加工),2011,27(6):878-883.
作者姓名:李宇慧  冯丽娟  王景刚  徐康文  李春虎
作者单位:中国海洋大学化学化工学院,山东青岛,266100
基金项目:青岛科技局科技计划项目(07-2-3-13-jch)资助
摘    要: 通过溶胶-凝胶法,以硝酸铝为铝源、蔗糖为模板剂、氨水为沉淀剂,制备了介孔 Al2O3,并以其为载体,等体积浸渍法制备了MoO3/Al2O3介孔催化剂。采用 N2吸附-脱附及X射线衍射对介孔 Al2O3和 MoO3/Al2O3催化剂进行了表征。将 MoO3/Al2O3催化剂用于柴油催化氧化脱硫,以 H2O2为氧化剂,探讨了 MoO3负载量以及 H2O2用量对其催化柴油氧化脱硫的影响。结果表明,自制的 Al2O3载体为具有介孔结构的 γ-Al2O3,其比表面积、孔容、平均孔径分别为304.3 m2/g、 0.467 cm3/g 和6.14 nm。MoO3负载量为20%(质量分数)、H2O2与柴油中硫的摩尔比为12、氧化温度为60℃时,柴油的氧化脱硫效果较佳,脱硫率为68.4%。

关 键 词:介孔  Al2O3  柴油  催化氧化  脱硫

Oxidative Desulfurization of Diesel Oil by Mesoporous Catalyst MoO_3/Al_2O_3
LI Yuhui , FENG Lijuan , WANG Jinggang , XU Kangwen , LI Chunhu.Oxidative Desulfurization of Diesel Oil by Mesoporous Catalyst MoO_3/Al_2O_3[J].Acta Petrolei Sinica (Petroleum Processing Section),2011,27(6):878-883.
Authors:LI Yuhui  FENG Lijuan  WANG Jinggang  XU Kangwen  LI Chunhu
Affiliation:LI Yuhui,FENG Lijuan,WANG Jinggang,XU Kangwen,LI Chunhu(College of Chemistry and Chemical Engineering,Ocean University of China,Qingdao 266100,China)
Abstract:Mesoporous Al2O3 was prepared by sol-gel method with aluminum nitrate as the Al source,sucrose as the template and ammonia as the precipitant,then MoO3/Al2O3 catalysts with mesoporous Al2O3 as the support were prepared by incipient wetness impregnation,and the mesoporous Al2O3 and MoO3/Al2O3 catalysts were characterized by N2 adsorption-desorption and X-ray diffraction(XRD).MoO3/Al2O3 catalysts were used in the oxidative desulfurization(ODS) process of diesel oil,and the influences of varying loading of MoO...
Keywords:mesoporous Al2O3  diesel oil  catalytic oxidation  desulfurization  
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