Removal of sulfur-containing compounds in oil products is a hot topic. A kind of green chemical reagent,the ionic liquid has been widely applied and achieved significant effect in desulfurization technology. In this paper, types, advantages, desulfurization reaction mechanism and desulfurization pattern of the ionic liquid were introduced.%当今世界脱除油品中的含硫化合物是人们最关注的话题。其中，离子液体受得到了广泛的应用，它是一种绿色环保化工试剂，尤其是在脱硫技术方面取得了显著效果。主要介绍了离子液体的种类、优点、脱硫反应机理及脱硫方式。
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