The effect of protic ionic liquids incorporation on CO<sub>2</sub> separation performance of Pebax-based membranes

Haiyan Jiang; Lu Bai; Bingbing Yang; Shaojuan Zeng; Haifeng Dong; Xiangping Zhang

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The effect of protic ionic liquids incorporation on CO₂ separation performance of Pebax-based membranes

Updated：2026-01-06

- The effect of protic ionic liquids incorporation on CO₂ separation performance of Pebax-based membranes
- The effect of protic ionic liquids incorporation on CO₂ separation performance of Pebax-based membranes
- 中国化学工程学报（英文版） 2022年43卷第3期页码：169-176
- Affiliations：
  
  1. CAS Key Laboratory of Green Process and Engineering, State Key Laboratory of Multiphase Complex Systems, Beijing Key Laboratory of Ionic Liquids Clean Process, Institute of Process Engineering, Chinese Academy of Sciences,Beijing,China,100190
  2. School of Future Technology, University of Chinese Academy of Sciences,Beijing,China,100049
  3. Advanced Energy Science and Technology Guangdong Laboratory,Huizhou,China,516003
- Author bio：
- Funds：
- DOI：
  中图分类号：
- 纸质出版：2022
- Accepted：
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Haiyan Jiang, Lu Bai, Bingbing Yang, 等. The effect of protic ionic liquids incorporation on CO₂ separation performance of Pebax-based membranes[J]. 中国化学工程学报（英文版）, 2022,43(3):169-176.

separation performance of Pebax-based membranes[J]. 中国化学工程学报, 2022, 43(3): 169-176.
Haiyan Jiang, Lu Bai, Bingbing Yang, 等. The effect of protic ionic liquids incorporation on CO₂ separation performance of Pebax-based membranes[J]. 中国化学工程学报（英文版）, 2022,43(3):169-176. DOI：

separation performance of Pebax-based membranes[J]. 中国化学工程学报, 2022, 43(3): 169-176. DOI：

摘要

Abstract

The separation of carbon dioxide (CO

) is of great importance for environment protection and gas resource purification. The ionic liquids (ILs)-based gas separation membrane provides a new chance for efficient CO

separation

while high permeability and selectivity of membranes is a great challenge. In this study

the influence of two protic ILs with different anion ([TMGH

]

[Im

]

and [TMGH

]

[PhO

]

) on the CO

separation performance of the prepared ILs/Pebax blended membranes were systematically investigated at different temperature. The results showed the CO

permeability exhibits the rising trend for ILs/Pebax blended membranes with the increment of IL content. Especially

the [TMGH

]

[Im

]

with low viscosity and high CO

absorption capacity leads to the blended membranes showing better CO

permeability and ideal CO

selectivity than that of membranes with [TMGH

]

[PhO

]

at high IL content. Besides

with operating temperature increasing

the gas permeability of 20% (mass) [TMGH

]

[Im

]

/Pebax blended membrane increases due to the decreasing viscosity of IL and the rising chain mobility of polymer. Inversely

the gas selectivity shows decreasing trend because CO

absorption capacity obviously decreased at higher temperature.

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The effect of protic ionic liquids incorporation on CO2 separation performance of Pebax-based membranes

The effect of protic ionic liquids incorporation on CO2 separation performance of Pebax-based membranes

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摘要

Abstract

关键词

Keywords

references

The effect of protic ionic liquids incorporation on CO₂ separation performance of Pebax-based membranes

The effect of protic ionic liquids incorporation on CO₂ separation performance of Pebax-based membranes