Concentration control of volatile organic compounds by ionic liquid absorption and desorption

Xiaobin Ma; Minyan Wu; Shuo Liu; Jinxing Huang; Bin Sun; Ying Zhou; Qiulian Zhu; Hanfeng Lu

doi:10.1016/j.cjche.2018.12.019

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Concentration control of volatile organic compounds by ionic liquid absorption and desorption

Separation Science and Engineering | Updated：2026-01-06

- Concentration control of volatile organic compounds by ionic liquid absorption and desorption
- Chinese Journal of Chemical Engineering Vol. 27, Issue 10, Pages: 2383-2389(2019)
- Affiliations：
  
  1. Institute of Catalytic Reaction Engineering, College of Chemical Engineering, Zhejiang University of Technology,Hangzhou,China,310014
  2. Hangzhou Runxin Technology Co. Ltd.,Hangzhou,China,310014
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2018.12.019
  CLC：
- Published：2019
- Accepted：
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Xiaobin Ma, Minyan Wu, Shuo Liu, Jinxing Huang, Bin Sun, Ying Zhou, Qiulian Zhu, Hanfeng Lu. Concentration control of volatile organic compounds by ionic liquid absorption and desorption[J]. Chinese Journal of Chemical Engineering, 2019, 27(10): 2383-2389.
DOI：

Xiaobin Ma, Minyan Wu, Shuo Liu, Jinxing Huang, Bin Sun, Ying Zhou, Qiulian Zhu, Hanfeng Lu. Concentration control of volatile organic compounds by ionic liquid absorption and desorption[J]. Chinese Journal of Chemical Engineering, 2019, 27(10): 2383-2389. DOI： 10.1016/j.cjche.2018.12.019.

摘要

Abstract

Volatile organic compounds (VOCs) are difficult to be eliminated safely and effectively because of their large concentration fluctuations. Thus

maintaining a stable concentration of VOCs is a significant study. In this research

Tween-80

[Emim

]

[Emim

]

and[Hnmp

]

HSO

were applied to absorb and desorb simulated VOCs. The ionic liquid[Emim

]

demonstrated the best performance and was thus selected for further experiments. As the ionic liquid acted as a buffer

the toluene concentration with a fluctuation of 2000-20000 mg·m

-3

was stabilized at 6000-12000 mg·m

-3

. Heating distillation (90℃) was highly efficient to recover[Emim

]

from toluene. The regenerated[Emim

]

could retain its initial absorption capacity even after multiple cycles. Moreover

[Emim

]

had the same buffer function on various aromatic hydrocarbons.

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