Efficient and reversible separation of NH<sub>3</sub> by deep eutectic solvents with multiple active sites and low viscosities

Jiayin Zhang; Lu Zheng; Siqi Fang; Hongwei Zhang; Zhenping Cai; Kuan Huang; Lilong Jiang

doi:10.1016/j.cjche.2023.10.012

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Efficient and reversible separation of NH₃ by deep eutectic solvents with multiple active sites and low viscosities

Updated：2026-01-06

- Efficient and reversible separation of NH₃ by deep eutectic solvents with multiple active sites and low viscosities
- Efficient and reversible separation of NH₃ by deep eutectic solvents with multiple active sites and low viscosities
- 中国化学工程学报（英文版） 2024年67卷第3期页码：97-105
- Affiliations：
  
  1. National Engineering Research Center of Chemical Fertilizer Catalyst (NERC-CFC), College of Chemical Engineering, Fuzhou University,Fuzhou,China,350002
  2. Qingyuan Innovation Laboratory,Quanzhou,China,362801
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2023.10.012
  中图分类号：
- 纸质出版：2024
- Accepted：
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Jiayin Zhang, Lu Zheng, Siqi Fang, 等. Efficient and reversible separation of NH₃ by deep eutectic solvents with multiple active sites and low viscosities[J]. 中国化学工程学报（英文版）, 2024,67(3):97-105. DOI: 10.1016/j.cjche.2023.10.012.

by deep eutectic solvents with multiple active sites and low viscosities[J]. 中国化学工程学报, 2024, 67(3): 97-105.
Jiayin Zhang, Lu Zheng, Siqi Fang, 等. Efficient and reversible separation of NH₃ by deep eutectic solvents with multiple active sites and low viscosities[J]. 中国化学工程学报（英文版）, 2024,67(3):97-105. DOI: 10.1016/j.cjche.2023.10.012. DOI：

by deep eutectic solvents with multiple active sites and low viscosities[J]. 中国化学工程学报, 2024, 67(3): 97-105. DOI： 10.1016/j.cjche.2023.10.012.

摘要

Abstract

The efficient separation and collection of ammonia (NH

) during NH

synthesis process is essential to improve the economic efficiency and protect the environment. In this work

ethanolammonium hydrochloride (EtOHACl) and phenol (PhOH) were used to prepare a novel class of deep eutectic solvents (DESs) with multiple active sites and low viscosities. The NH

separation performance of EtOHACl + PhOH DESs was analyzed completely. It is figured out that the NH

absorption rates in EtOHACl + PhOH DESs are very fast. The NH

absorption capacities are very high and reach up to 5.52 and 10.74 mol·kg

-1

at 11.2 and 100.4 kPa under 298.2 K

respectively. In addition

the EtOHACl + PhOH DESs present highly selective absorption of NH

over N

and H

and good regenerative properties after seven cycles of absorption/desorption. The intrinsic separation mechanism of NH

by EtOHACl + PhOH DESs was further revealed by spectroscopic analysis and quantum chemistry calculations.

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Efficient and reversible separation of NH3 by deep eutectic solvents with multiple active sites and low viscosities

Efficient and reversible separation of NH3 by deep eutectic solvents with multiple active sites and low viscosities

DOI：10.1016/j.cjche.2023.10.012

摘要

Abstract

关键词

Keywords

references

Efficient and reversible separation of NH₃ by deep eutectic solvents with multiple active sites and low viscosities

Efficient and reversible separation of NH₃ by deep eutectic solvents with multiple active sites and low viscosities