咪唑类离子液体高效吸收二氯甲烷

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吴文亮^1,2，李涛¹，高红帅^2*，尚大伟²，涂文辉²，王斌琦²，张香平^1,2*

1. 郑州大学化工与能源学院，河南郑州 450001 2. 中国科学院过程工程研究所离子液体清洁过程北京市重点实验室，多相复杂系统国家重点实验室，北京 100190

收稿日期:2018-03-29修回日期:2018-07-11出版日期:2019-02-22发布日期:2019-02-12
通讯作者:张香平

基金资助:国家自然科学基金资助项目;山西省重点研发计划重点项目;科技北京百名领军人才培养工程

Efficient absorption of dichloromethane using imidazolium based ionic liquids

Wenliang WU^1,2, Tao LI¹, Hongshuai GAO^2*, Dawei SHANG², Wenhui TU², Binqi WANG², Xiangping ZHANG^1,2*

1. School of Chemical Engineering and Energy, Zhengzhou University, Zhengzhou, Henan 450001, China2. Beijing Key Laboratory of Ionic Liquids Clean Process, State Key Laboratory of Multiphase Complex System, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China

Received:2018-03-29Revised:2018-07-11Online:2019-02-22Published:2019-02-12
Contact:xiangping zhang

摘要/Abstract

摘要： 合成了一系列常规离子液体1-丁基-3-甲基咪唑四氟硼酸盐([Bmim][BF4])、1-丁基-3-甲基咪唑六氟磷酸盐([Bmim][PF6])、1-丁基-3-甲基咪唑双三氟甲磺酰亚胺盐([Bmim][NTf2])、1-丁基-3-甲基咪唑双氰胺盐([Bmim][DCA])、1-丁基-3-甲基咪唑硫氰酸盐([Bmim][SCN])、1-乙基-3-甲基咪唑硫氰酸盐([Emim][SCN])和N-丁基吡啶硫氰酸盐([BPy][SCN])，用智能重量分析仪(IGA)测定不同温度和分压下离子液体吸收二氯甲烷(DCM)的容量。结果表明，[Bmim][SCN]具有最高的二氯甲烷吸收容量(1.46 g/g, 303.15 K, 60 kPa)，5次循环后吸收能力无明显下降，[Bmim][SCN]基本可完全再生，能循环使用。量化计算结果表明[SCN]?可与二氯甲烷形成氢键，增强其对二氯甲烷的吸收能力。

引用本文

吴文亮李涛高红帅尚大伟涂文辉王斌琦张香平. 咪唑类离子液体高效吸收二氯甲烷[J]. 过程工程学报, 2019, 19(1): 173-180.
Wenliang WU Tao LI Hongshuai GAO Dawei SHANG Wenhui TU Binqi WANG. Efficient absorption of dichloromethane using imidazolium based ionic liquids[J]. Chin. J. Process Eng., 2019, 19(1): 173-180.

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