Ultra-deep oxidative desulfurization of fuel with H2O2 catalyzed by phosphomolybdic acid supported on silica

被引：39
作者：
Tian, Yongsheng [1 ]
Wang, Guanghui [1 ]
Long, Juan [1 ,2 ]
Cui, Jiawei [1 ]
Jin, Wei [1 ]
Zeng, Danlin [1 ]
机构：
[1] Wuhan Univ Sci & Technol, Sch Chem & Chem Engn, Hubei Key Lab Coal Convers & New Carbon Mat, Wuhan 430081, Hubei, Peoples R China
[2] Wuhan Huade Ecotek Corp, Wuhan 430080, Hubei, Peoples R China
来源：
CHINESE JOURNAL OF CATALYSIS | 2016年 / 37卷 / 12期
基金：
中国国家自然科学基金;
关键词：
Mesoporous silica; Phosphomolybdic acid; Oxidative desulfurization; Benzothiophene; Dibenzothiophene; RUN GAS OIL; DIESEL FUEL; SELECTIVE ADSORPTION; MILD CONDITIONS; MODEL DIESEL; JET FUEL; DIBENZOTHIOPHENE; EXTRACTION; HYDRODESULFURIZATION; BIODESULFURIZATION;
D O I：
10.1016/S1872-2067(16)62558-5
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
A highly active catalyst of phosphomolybdic acid (HPMo) was prepared and applied in the catalytic oxidative desulfurization (CODS) system. The catalyst was characterized by FT-IR, XRD, XPS and superconducting NMR. The influences of m(catalyst)/m(oil), V(H2O2)/V(oil), reaction temperature and reaction time on the fractional conversion of benzothiophene (BT) and dibenzothiophene (DBT) were investigated. GC-MS and micro-coulometric methods were employed to investigate the reaction. The catalyst has high desulfurization activity in the removal of BT and DBT under mild conditions. The recycling experiments indicated that DBT and BT removal could still reach 95.2% and 95.7% after 10 cycles. (C) 2016, Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B.V. All rights reserved.
引用
收藏
页码：2098 / 2105
页数：8
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