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首页> 外文会议>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） >Deep oxidative desulfurization of fuels catalyzed by phosphotungstic acid in ionic liquids
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Deep oxidative desulfurization of fuels catalyzed by phosphotungstic acid in ionic liquids

机译：磷钨酸在离子液体中催化的燃料的深度氧化脱硫

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1.Introduction Ionic liquids (ILs), as a novel green solvent[1], 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 [bmim]BF4 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%).
机译：1.引言离子液体（ILs）作为一种新型绿色溶剂[1]，已被用作液/液萃取的萃取剂，其中硫化合物可以从燃料中去除。但是，由于链烷烃，芳烃和硫化合物之间的极性相似，因此脱硫效果不佳[2]。在这里，我们采用了一种简化的，工业上可获得的高效酸催化剂来氧化芳香族硫化合物。由H3PW12O40（HPW），30％H2O2和[bmim] BF4组成的萃取和催化氧化脱硫（ECODS）系统用于在室温下从模型油中去除二苯并噻吩（DBT）。在室温（30℃）下处理1 h，DBT的去除率可达到98.2％，明显优于单纯用IL萃取溶剂（14.2％）或不使用IL催化氧化（15.9％）。

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