摘要
使用微波法制备亲水性咪唑类离子液体[RMIm]Br,并进行了核磁共振(NMR)和红外光谱(IR)的表征.考察了在模型油品脱硫中剂油比、温度、萃取级数、离子液体种类等因素对脱硫率的影响,重点测试了离子液体在含水量不同情况下脱硫效果及其吸湿率,并提出了水萃取再生的方法.从大量数据说明亲水性咪唑类离子液体[RMIm]Br具有较好的脱硫效果,且在较长的时间里其吸湿性对脱硫影响不大,故在工业上有较好的应用前景.
Hydrophilic imidazolium-based ionic liquids [ RMIm ] Br were prepared by mierowaved method and tested in model oil desulfurization, they were characterized by nuclear magnetic resonance （NMR） infrared spec- tram（IR）. The desulfurization influencing factors including ratio of solvent to oil , temperature, extractive times, type of ionic liquids and especially ter extraction was proposed after th the water content in [ RMIm ] Br were investigated. Regeneration method by wa- e water absorption experiments being conducted. A lot of experiment data show hydrophilic imidazolium-based ionic liquids [ RMIm] Br have good EDS performance and the hydroscopicity has littie effect on EDS.
出处
《曲阜师范大学学报（自然科学版）》
CAS
2009年第3期64-68,共5页
Journal of Qufu Normal University(Natural Science)
关键词
亲水性
咪唑类离子液体
脱硫
吸湿性
hydrophilic
imidazolium-based ionic liquids
desulfurization
water absorption
