Separation of <i>m</i>-cresol from aromatic hydrocarbon and alkane using ionic liquids <i>via</i> hydrogen bond interaction

Qian Liu; Xianglan Zhang; Wei Li

doi:10.1016/j.cjche.2018.11.009

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Separation of m-cresol from aromatic hydrocarbon and alkane using ionic liquids via hydrogen bond interaction

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

- Separation of m-cresol from aromatic hydrocarbon and alkane using ionic liquids via hydrogen bond interaction
- Separation of m-cresol from aromatic hydrocarbon and alkane using ionic liquids via hydrogen bond interaction
- 中国化学工程学报（英文版） 2019年27卷第11期页码：2675-2686
- Affiliations：
  
  1. School of Chemical and Environmental Engineering, China University of Mining and Technology,Beijing,China,100083
  2. School of Chemical Engineering, Beijing Institute of Petro-Chemical Technology,Beijing,China,102600
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2018.11.009
  中图分类号：
- 纸质出版：2019
- Accepted：
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Qian Liu, Xianglan Zhang, Wei Li. Separation of m-cresol from aromatic hydrocarbon and alkane using ionic liquids via hydrogen bond interaction[J]. 中国化学工程学报（英文版）, 2019,27(11):2675-2686. DOI: 10.1016/j.cjche.2018.11.009.

-cresol from aromatic hydrocarbon and alkane using ionic liquids
Qian Liu, Xianglan Zhang, Wei Li. Separation of m-cresol from aromatic hydrocarbon and alkane using ionic liquids via hydrogen bond interaction[J]. 中国化学工程学报（英文版）, 2019,27(11):2675-2686. DOI: 10.1016/j.cjche.2018.11.009. DOI：

-cresol from aromatic hydrocarbon and alkane using ionic liquids DOI： 10.1016/j.cjche.2018.11.009.

摘要

Abstract

Low temperature coal tar contained a large amount of phenols

aromatic hydrocarbons and alkanes; the separation of phenols from coal tar has a great significance to the deep processing of coal tar. In this work

the separation of

-cresol from cumene and

-heptane by liquid-liquid extraction using ionic liquids (ILs) as extractants was studied. The suitable ILs were screened by conductor-like screening model for real solvents (COSMO-RS) model and the liquid-liquid phase equilibrium (LLE) experiments were to verify the accuracy of the screening results. The extraction conditions such as extraction time

extraction temperature and mass ratio of ILs to model oils were evaluated. An internal mechanism of the

-cresol extract by ILs was revealed by COSMO-RS calculation and FT-IR. The results showed that the selected ILs can extract

-cresol effectively from cumene and

-heptane

1-ethyl-3-methylimidazolium acetate (emimCH

COO) was the best extraction solvent. A hydrogen bond between anion of ILs and phenolic hydroxyl groups was observed. M-cresol in model oils could be extracted with extraction efficiencies up to 98.85% at an

emimCH

COO:model oils mass ratio of 0.5 and 298.15 K

emimCH

COO could be regenerated and reused for 4 cycles without obvious decreases in extraction efficiency and extractant mass.

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Separation of m-cresol from aromatic hydrocarbon and alkane using ionic liquids via hydrogen bond interaction

Separation of m-cresol from aromatic hydrocarbon and alkane using ionic liquids via hydrogen bond interaction

DOI：10.1016/j.cjche.2018.11.009

摘要

Abstract

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