Simultaneous measurement of CO <inf>2</inf> sorption and swelling of phosphate-based ionic liquid
File(s)
Published version
Author(s)
Wang, J
Petit, C
Zhang, X
Park, AHA
Type
Journal Article
Abstract
The development of alternative CO 2 capture solvents such as ionic liquids (ILs) and nanoparticle organic hybrid materials (NOHMs) have provided interesting options for CO 2 capture. In this study, CO 2 interactions with 1,3-dimethylimidazolium dimethylphosphate ([MMIM]DMP), 1-ethyl-3-methylimidazolium dimethylphosphate ([EMIM]DMP) and 1-ethyl-3-methylimidazolium diethylphosphate ([EMIM]DEP) that contain inorganic ester groups based on phosphate, were investigated using ATR FT-IR spectroscopy. CO 2 -induced swelling, CO 2 diffusivity and CO 2 capture capacity were simultaneously measured to identify CO 2 capture mechanisms, kinetics and diffusion behaviors as a function of the alkyl chain length of the cation. Henry's law constants of CO 2 were found to be in the range of 4–11 MPa, which is in agreement with those reported in other studies.
Date Issued
2016-11-25
Date Acceptance
2016-11-15
Citation
Green Energy and Environment, 2016, 1 (3), pp.258-265
ISSN
2468-0257
Publisher
KeAi
Start Page
258
End Page
265
Journal / Book Title
Green Energy and Environment
Volume
1
Issue
3
Copyright Statement
©2016, Institute of Process Engineering, Chinese Academy of Sciences. Publishing services by Elsevier B.V. on behalf of KeAi CommunicationsCo., Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
Publication Status
Published
Date Publish Online
2016-11-25