| 离子液体气体干燥技术的研究进展 |
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| 引用本文： | 桂成敏,朱瑞松,张傑,雷志刚.离子液体气体干燥技术的研究进展[J].化工学报,2020,71(1):92-105. |
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| 作者姓名： | 桂成敏 朱瑞松 张傑 雷志刚 |
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| 作者单位： | 北京化工大学，化工资源有效利用国家重点实验室，北京 100029 |
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| 基金项目： | 国家自然科学基金石油化工联合基金项目 |
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| 摘 要： | 离子液体（ionic liquids, ILs）被视为化工中传统溶剂的优良替代物，使用它们作为溶剂吸收可凝性气体时，具有溶剂损失少、无腐蚀和稳定性强等优点。一些ILs具有很强的吸水性，所以在气体干燥领域ILs受到了广泛关注。本文介绍了用于预测气体在ILs中溶解度的预测型分子热力学模型和气体在ILs中的实验测量方法，具体分析了ILs对CH4、CO2等气体的干燥机理和工艺，最后对ILs用于气体干燥的基础研究作出展望。
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| 关 键 词： | 离子液体 吸收 干燥 机理 |
| 收稿时间： | 2019-10-11 |
| 修稿时间： | 2019-11-01 |
Progress on ionic liquids for gas drying |
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| GUI Chengmin,ZHU Ruisong,ZHANG Jie,LEI Zhigang.Progress on ionic liquids for gas drying[J].Journal of Chemical Industry and Engineering(China),2020,71(1):92-105. |
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| Authors: | GUI Chengmin ZHU Ruisong ZHANG Jie LEI Zhigang |
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| Affiliation: | State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China |
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| Abstract: | Ionic liquids (ILs) are regarded as excellent substitutes for traditional solvents in chemical industry. When they are used for capturing condensable gases, they have the advantages of less solvent loss, no corrosion and strong stability. Some ILs have the strong water absorption power, thus receiving wide attention in the field of gas drying. This review introduces the predictive molecular thermodynamic model for predicting the solubility of gases in ILs and the experimental measurement method on gas solubility. The drying mechanism and process of ILs for CH4, CO2 and other gases were analyzed. Finally, the basic research of ILs for gas drying is prospected. |
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| Keywords: | ionic liquids absorption drying mechanism |
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