离子液体燃料油脱硫技术研究进展

Research progress on desulfurization technology for fuel oil with ionic liquids

概述了离子液体脱硫机理,分析了影响离子液体脱硫效率的因素,综述了离子液体车用燃料油脱硫技术的最新进展,重点论述了离子液体直接萃取法、氧化-萃取法、烷基化脱硫法、吸附脱硫法的研究现状,并分析比较了各种脱硫方法的优缺点。氧化-萃取法因为操作简单、反应条件温和以及脱硫率高等优点具有很好的研究应用前景,最后指明了离子液体脱硫的基础性研究和回收再利用是今后的发展方向。

The desulfurization mechanism of fuel oil by ionic liquids(ILs)are overviewed and the factors affecting the desulfurization efficiency are analyzed.The latest progresses in desulfurization technologies for vehicle fuel oil with ILs are reviewed,with focus on direct extraction,oxidation-extraction,alkylation desulfurization and adsorption desulfurization.The advantages and disadvantages of these desulfurization methods are analyzed and compared.Due to its simple operation,mild reaction conditions and high desulfurization rate,oxidation-extraction with ILs is very promising in fuel oil desulfurization.It is pointed out the future development trends are basic research and recycling of ILs.