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

被引：0

作者：

Jiayin Zhang ^{[1
]}

Lu Zheng ^{[1
]}

Siqi Fang ^{[1
]}

Hongwei Zhang ^{[1
]}

Zhenping Cai ^{[1
]}

Kuan Huang ^{[1
,2
]}

Lilong Jiang ^{[1
,2
]}

机构：

[1] National Engineering Research Center of Chemical Fertilizer Catalyst(NERC-CFC), College of Chemical Engineering, Fuzhou University

[2] Qingyuan Innovation Laboratory

来源：

ChineseJournalofChemicalEngineering | 2024年 / 67卷 / 03期

基金：

中国国家自然科学基金;

关键词：

D O I：

暂无

中图分类号：

TQ113.2 [合成氨工业];

学科分类号：

0817 ;

摘要：

The efficient separation and collection of ammonia(NH3) during NH3synthesis 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 NH3separation performance of EtOHACl+PhOH DESs was analyzed completely.It is figured out that the NH3absorption rates in EtOHACl+PhOH DESs are very fast.The NH3absorption capacities are very high and reach up to 5.52and 10.74 mol·kg-1at 11.2 and 100.4 kPa under 298.2 K,respectively.In addition,the EtOHACl+PhOH DESs present highly selective absorption of NH3over N2and H2and good regenerative properties after seven cycles of absorption/desorption.The intrinsic separation mechanism of NH3by EtOHACl+PhOH DESs was further revealed by spectroscopic analysis and quantum chemistry calculations.

引用

页码：97 / 105

页数：9

共 42 条

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