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author:

Zheng, Lu (Zheng, Lu.) [1] | Zhang, Xinyue (Zhang, Xinyue.) [2] | Li, Qiuke (Li, Qiuke.) [3] | Ma, Yongde (Ma, Yongde.) [4] (Scholars:马永德) | Cai, Zhenping (Cai, Zhenping.) [5] | Cao, Yanning (Cao, Yanning.) [6] (Scholars:曹彦宁) | Huang, Kuan (Huang, Kuan.) [7] (Scholars:黄宽) | Jiang, Lilong (Jiang, Lilong.) [8] (Scholars:江莉龙)

Indexed by:

EI Scopus SCIE

Abstract:

The effective separation of ammonia (NH3) has important implication for the conversion improvement and pollution control during the synthesis of NH3. In the present work, a novel kind of non-chloride deep eutectic solvents (DESs) were constructed from dihydroxybenzoic acids (DHBAs) and ethylene glycol (EG). The DHBA + EG DESs exhibit several weak acidic sites and hydrogen-bond sites, thus were proposed for NH3 separation. We found that the amounts of NH3 absorbed by DHBA + EG DESs are quite impressive, particularly at reduced pressures. The capacities can reach 5.64 and 11.69 mol/kg at 0.1 and 1 bar respectively, when the temperature of 298.2 K is considered. Besides, after five absorption-desorption cycles, the DHBA + EG DESs can preserve the excellent NH3 absorption performance. The DHAB + EG DESs can also selectively absorb NH3 from N2 and H2 in the mixed gas. The NH3 absorption mechanism of DHBA + EG DESs was further deeply illustrated by spectro-scopic techniques and theoretical calculations.

Keyword:

Absorption capacity Chloride free Deep eutectic solvent Gas separation Multiple site

Community:

  • [ 1 ] [Zheng, Lu]Fuzhou Univ, Coll Chem Engn, Natl Engn Res Ctr Chem Fertilizer Catalyst NERC CF, 523 Gongye Rd, Fuzhou 350002, Fujian, Peoples R China
  • [ 2 ] [Zhang, Xinyue]Fuzhou Univ, Coll Chem Engn, Natl Engn Res Ctr Chem Fertilizer Catalyst NERC CF, 523 Gongye Rd, Fuzhou 350002, Fujian, Peoples R China
  • [ 3 ] [Li, Qiuke]Fuzhou Univ, Coll Chem Engn, Natl Engn Res Ctr Chem Fertilizer Catalyst NERC CF, 523 Gongye Rd, Fuzhou 350002, Fujian, Peoples R China
  • [ 4 ] [Ma, Yongde]Fuzhou Univ, Coll Chem Engn, Natl Engn Res Ctr Chem Fertilizer Catalyst NERC CF, 523 Gongye Rd, Fuzhou 350002, Fujian, Peoples R China
  • [ 5 ] [Cai, Zhenping]Fuzhou Univ, Coll Chem Engn, Natl Engn Res Ctr Chem Fertilizer Catalyst NERC CF, 523 Gongye Rd, Fuzhou 350002, Fujian, Peoples R China
  • [ 6 ] [Cao, Yanning]Fuzhou Univ, Coll Chem Engn, Natl Engn Res Ctr Chem Fertilizer Catalyst NERC CF, 523 Gongye Rd, Fuzhou 350002, Fujian, Peoples R China
  • [ 7 ] [Huang, Kuan]Fuzhou Univ, Coll Chem Engn, Natl Engn Res Ctr Chem Fertilizer Catalyst NERC CF, 523 Gongye Rd, Fuzhou 350002, Fujian, Peoples R China
  • [ 8 ] [Jiang, Lilong]Fuzhou Univ, Coll Chem Engn, Natl Engn Res Ctr Chem Fertilizer Catalyst NERC CF, 523 Gongye Rd, Fuzhou 350002, Fujian, Peoples R China
  • [ 9 ] [Cao, Yanning]Qingyuan Innovat Lab, 1 Xueyuan Rd, Quanzhou 362801, Fujian, Peoples R China
  • [ 10 ] [Huang, Kuan]Qingyuan Innovat Lab, 1 Xueyuan Rd, Quanzhou 362801, Fujian, Peoples R China
  • [ 11 ] [Jiang, Lilong]Qingyuan Innovat Lab, 1 Xueyuan Rd, Quanzhou 362801, Fujian, Peoples R China

Reprint 's Address:

  • [Huang, Kuan]Fuzhou Univ, Coll Chem Engn, Natl Engn Res Ctr Chem Fertilizer Catalyst NERC CF, 523 Gongye Rd, Fuzhou 350002, Fujian, Peoples R China;;[Jiang, Lilong]Fuzhou Univ, Coll Chem Engn, Natl Engn Res Ctr Chem Fertilizer Catalyst NERC CF, 523 Gongye Rd, Fuzhou 350002, Fujian, Peoples R China;;[Huang, Kuan]Qingyuan Innovat Lab, 1 Xueyuan Rd, Quanzhou 362801, Fujian, Peoples R China;;[Jiang, Lilong]Qingyuan Innovat Lab, 1 Xueyuan Rd, Quanzhou 362801, Fujian, Peoples R China;;

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Source :

SEPARATION AND PURIFICATION TECHNOLOGY

ISSN: 1383-5866

Year: 2023

Volume: 309

8 . 2

JCR@2023

8 . 2 0 0

JCR@2023

ESI Discipline: CHEMISTRY;

ESI HC Threshold:39

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count: 20

SCOPUS Cited Count: 22

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

Online/Total:138/10019041
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