CO<sub>2</sub>/N<sub>2</sub> separation using supported ionic liquid membranes with green and cost-effective[Choline] [Pro]/PEG200 mixtures

Tengteng Fan; Wenlong Xie; Xiaoyan Ji; Chang Liu; Xin Feng; Xiaohua Lu

doi:10.1016/j.cjche.2016.03.006

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CO₂/N₂ separation using supported ionic liquid membranes with green and cost-effective[Choline] [Pro]/PEG200 mixtures

第25届中国过程控制会议专栏 | Updated：2026-01-06

- CO₂/N₂ separation using supported ionic liquid membranes with green and cost-effective[Choline] [Pro]/PEG200 mixtures
- Chinese Journal of Chemical Engineering Vol. 24, Issue 11, Pages: 1513-1521(2016)
- Affiliations：
  
  2 Division of Energy Science/Energy Engineering, Luleå University of Technology, Luleå,Sweden,97187
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2016.03.006
  CLC：
- Published：2016
- Accepted：
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DOI：

/N DOI： 10.1016/j.cjche.2016.03.006.

摘要

Abstract

The high price and toxicity of ionic liquids (ILs) have limited the design and application of supported ionic liquid membranes (SILMs) for CO

separation in both academic and industrial fields. In this work

[Choline

]

[Pro

]

/polyethylene glycol 200 (PEG200) mixtures were selected to prepare novel SILMs because of their green and costeffective characterization

and the CO

separation with the prepared SILMs was investigated experimentally at temperatures from 308.15 to 343.15 K. The temperature effect on the permeability

solubility and diffusivity of CO

was modeled with the Arrhenius equation. A competitive performance of the prepared SILMs was observed with high CO

permeability ranged in 343.3-1798.6 barrer and high CO

selectivity from 7.9 to 34.8. It was also found that the CO

permeability increased 3 times by decreasing the viscosity of liquids from 370 to 38 mPa·s. In addition

the inherent mechanism behind the significant permeability enhancement was revealed based on the diffusion-reaction theory

i.e. with the addition of PEG200

the overall resistance was substantially decreased and the

SILMs process was switched from diffusion-control to reaction-control.

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CO2/N2 separation using supported ionic liquid membranes with green and cost-effective[Choline] [Pro]/PEG200 mixtures

DOI：10.1016/j.cjche.2016.03.006

摘要

Abstract

关键词

Keywords

references

CO₂/N₂ separation using supported ionic liquid membranes with green and cost-effective[Choline] [Pro]/PEG200 mixtures