Deep ozidative desulfurization of fuels catalyzed by phosphotungstic acid in ionic liquids

摘要：

1.Introduction Ionic liquids (ILs), as a novel green solvent1, have been used as extractants for liquid/liquid extraction, in which sulfur compounds can be removed from fuels. However, the sulfur removals are not favorable because of the similar polarity between alkens, aromatics and the sulfur compounds 2. Here we employed a simplified, industrially available and highly effective acid catalyst for the oxidation of aromatic sulfur compounds. A extraction and catalytic oxidation desulfurization (ECODS) system composed of H3PW12O40(HPW), 30％ H2O2 and bmimBF4 was used for the removal of dibenzothiophene (DBT) from the model oil at room temperature. The removal of DBT could reach 98.2％ at room temperature (30 ℃) for 1 h, which was remarkably superior to mere solvent extraction with IL (14.2％) or catalytic oxidation without IL (15.9％).

关键词： phosphotungstic acid ozidation ionic liquid eztraction

作者: Lining He Huaming Li Wenshuai Zhu Xue Jiang Jidong Lu Yongsheng Yan Jiexiang Xia

作者单位: School of Chemistry and Chemical Engineering,Jiangsu University,Zhenjiang 212013,China;School of the School of Chemistry and Chemical Engineering,Jiangsu University,Zhenjiang 212013,China;State Key Lab School of Chemistry and Chemical Engineering,Jiangsu University,Zhenjiang 212013,China State Key Laboratory of Coal Combustion,Huazhong University of Science and Technology,Wuhan 430074,P

会议类型: 国际会议

会议名称: 18th International Symposium on Fine Chemistry and Functional Polymers,4th IUPAC International Symposium on Novel Materials and Their Synthesis(第18届国际精细化学和功能高分子学术讨论会暨第四届IUPAC 国际新型材料及其制备学术讨论会)

会议地点: 江苏镇江

会议语种:英文

页码: 74-75

在线出版日期: 2008-10-15（万方平台首次上网日期，不代表论文的发表时间）