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author:

Zheng, Lu (Zheng, Lu.) [1] | Ju, Saisai (Ju, Saisai.) [2] | Fang, Siqi (Fang, Siqi.) [3] | Zhang, Hongwei (Zhang, Hongwei.) [4] (Scholars:张宏伟) | Cai, Zhenping (Cai, Zhenping.) [5] (Scholars:蔡镇平) | Huang, Kuan (Huang, Kuan.) [6] (Scholars:黄宽) | Jiang, Lilong (Jiang, Lilong.) [7] (Scholars:江莉龙)

Abstract:

Efficient recognition and selective capture of NH3 is not only beneficial for increasing the productivity of the synthetic NH3 industry but also for reducing air pollution. For this purpose, a group of deep eutectic solvents (DESs) consisting of glycolic acid (GA) and phenol (PhOH) with low viscosities and multiple active sites was rationally designed in this work. Experimental results show that the GA + PhOH DESs display extremely fast NH3 absorption rates (within 51 s for equilibrium) and high NH3 solubility. At 313.2 K, the NH3 absorption capacities of GA + PhOH (1:1) reach 6.75 mol/kg (at 10.7 kPa) and 14.72 mol/kg (at 201.0 kPa). The NH3 solubility of GA + PhOH DESs at low pressures were minimally changed after more than 100 days of air exposure. In addition, the NH3 solubility of GA + PhOH DESs remain highly stable in 10 consecutive absorption-desorption cycles. More importantly, NH3 can be selectively captured by GA + PhOH DESs from NH3/CO2/N-2 and NH3/N-2/H-2 mixtures. H-1-NMR, Fourier transform infrared and theoretical calculations were performed to reveal the intrinsic mechanism for the efficient recognition of NH3 by GA + PhOH DESs.

Keyword:

deep eutectic solvent low viscosity multiple active site NH3 recognition selective capture

Community:

  • [ 1 ] [Zheng, Lu]Fuzhou Univ, Coll Chem Engn, Natl Engn Res Ctr Chem Fertilizer Catalyst NERC CF, Fuzhou, Fujian, Peoples R China
  • [ 2 ] [Ju, Saisai]Fuzhou Univ, Coll Chem Engn, Natl Engn Res Ctr Chem Fertilizer Catalyst NERC CF, Fuzhou, Fujian, Peoples R China
  • [ 3 ] [Fang, Siqi]Fuzhou Univ, Coll Chem Engn, Natl Engn Res Ctr Chem Fertilizer Catalyst NERC CF, Fuzhou, Fujian, Peoples R China
  • [ 4 ] [Zhang, Hongwei]Fuzhou Univ, Coll Chem Engn, Natl Engn Res Ctr Chem Fertilizer Catalyst NERC CF, Fuzhou, Fujian, Peoples R China
  • [ 5 ] [Cai, Zhenping]Fuzhou Univ, Coll Chem Engn, Natl Engn Res Ctr Chem Fertilizer Catalyst NERC CF, Fuzhou, Fujian, Peoples R China
  • [ 6 ] [Huang, Kuan]Fuzhou Univ, Coll Chem Engn, Natl Engn Res Ctr Chem Fertilizer Catalyst NERC CF, Fuzhou, Fujian, Peoples R China
  • [ 7 ] [Jiang, Lilong]Fuzhou Univ, Coll Chem Engn, Natl Engn Res Ctr Chem Fertilizer Catalyst NERC CF, Fuzhou, Fujian, Peoples R China
  • [ 8 ] [Huang, Kuan]Qingyuan Innovat Lab, Quanzhou, Fujian, Peoples R China
  • [ 9 ] [Jiang, Lilong]Qingyuan Innovat Lab, Quanzhou, Fujian, Peoples R China

Reprint 's Address:

  • 黄宽 江莉龙

    [Huang, Kuan]Fuzhou Univ, Coll Chem Engn, Natl Engn Res Ctr Chem Fertilizer Catalyst NERC CF, Fuzhou, Fujian, Peoples R China;;[Jiang, Lilong]Fuzhou Univ, Coll Chem Engn, Natl Engn Res Ctr Chem Fertilizer Catalyst NERC CF, Fuzhou, Fujian, Peoples R China;;[Huang, Kuan]Qingyuan Innovat Lab, Quanzhou, Fujian, Peoples R China;;[Jiang, Lilong]Qingyuan Innovat Lab, Quanzhou, Fujian, Peoples R China

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Source :

SMART MOLECULES

ISSN: 2751-4587

Year: 2025

Issue: 1

Volume: 3

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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