离子液体在萃取氧化脱硫中的应用与研究进展

Application and research progress of extraction-oxidation desulfurization using ionic liquids

系统讨论了中性离子液体、酸性离子液体、杂多酸离子液体和负载型离子液体在萃取氧化脱硫中的研究进展。通过对比分析认为,负载型离子液体具有更高的催化活性和重复利用性,具有良好的应用前景。简要介绍了萃取氧化脱硫的动力学研究并总结了离子液体的再生方法。提出了离子液体在脱硫领域具有的优势及其面临的挑战并展望了新型离子液体的发展趋势。

The application of neutral,acidic,POM-based and supported ionic liquids in extraction-oxidation desulfurization is described.Through comparative analysis,supported ionic liquids have greater catalytic activity,stability and recyclability than conventional ionic liquids,and have good application prospects.Finally,the kinetics of extraction-oxidation desulfurization is briefly introduced and the regeneration methods of ionic liquids are summarized,the advantages and the faced challenges of ionic liquids in desulfurization are discussed,and the development trend of new ionic liquids is also prospected.