用于快速捕获二氧化碳的混合离子液体胶囊
Hybrid Ionic Liquid Capsules for Rapid CO Capture.
作者信息
Huang Qianwen, Luo Qinmo, Wang Yifei, Pentzer Emily, Gurkan Burcu
机构信息
Department of Chemical Engineering Biomolecular Engineering, Case Western Reserve University, 10900 Euclid Avenue, Cleveland, Ohio 44106, United States.
Department of Chemistry, Case Western Reserve University, 10900 Euclid Avenue, Cleveland, Ohio 44106, United States.
出版信息
Ind Eng Chem Res. 2019 Jun 19;58(24):10503-10509. doi: 10.1021/acs.iecr.9b00314. Epub 2019 May 24.
Abstract
The CO absorption by ionic liquids (ILs) were enhanced by the use of hybrid capsules composed of a core of IL and shell of polyurea and alkylated graphene oxide (GO). These composite structures were synthesized using a Pickering emulsion as a template and capsules of two different ILs were prepared. The contribution of the encapsulated IL on the CO absorption of the capsules is consistent with agitated neat IL, but with improved kinetics of absorption across different pressures. This novel materials design allows for CO to be absorbed significantly faster compared to bulk IL and provides insight into improved carbon capture technologies.
摘要
通过使用由离子液体（IL）核心、聚脲壳和烷基化氧化石墨烯（GO）组成的混合胶囊，离子液体对一氧化碳（CO）的吸收得以增强。这些复合结构是以Pickering乳液为模板合成的，并制备了两种不同离子液体的胶囊。封装的离子液体对胶囊吸收CO的贡献与搅拌的纯离子液体一致，但在不同压力下吸收动力学有所改善。这种新颖的材料设计使得与本体离子液体相比，CO的吸收速度显著加快，并为改进碳捕获技术提供了思路。
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