Abstract: In this paper，water-soluble ionic liquid [bmim]BeS was used as extractant for sulfur compounds thiophene，2-methyl thiophene，benzothiophene，dibenzothiophene in simulated fuel and the feasible operation conditions were confirmed by extraction experiments. The results showed that the equlibrium of extraction was reached in three minutes；the operation temperature was 40～50 oC. By four stage extraction，the desulfurization ratio of the simulated system with thiophene，2-methyl thiophene，benzothiophene，dibenzothiophene was as high as 60%～90%.

摘要： 选择水溶性的离子液体[bmim]BeS作萃取剂，对模拟油品中的4种含硫有机物噻吩、2-甲基噻吩、苯并噻吩、二苯并噻吩进行了萃取，确定了适宜的萃取操作条件。实验结果表明，[bmin]BeS对含硫化合物的萃取平衡时间只需3 min；适宜的操作温度为40～50 ℃。在室温下以溶剂比为1∶1对模拟体系进行4级错流萃取，脱硫率可以达到60%～90％。