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author:

Liu, F. (Liu, F..) [1] | Chen, W. (Chen, W..) [2] | Mi, J. (Mi, J..) [3] | Zhang, J.-Y. (Zhang, J.-Y..) [4] | Kan, X. (Kan, X..) [5] | Zhong, F.-Y. (Zhong, F.-Y..) [6] | Huang, K. (Huang, K..) [7] | Zheng, A.-M. (Zheng, A.-M..) [8] | Jiang, L. (Jiang, L..) [9]

Indexed by:

Scopus

Abstract:

Deep eutectic solvents (DESs) are a class of promising media for gas separation. In order to examine the potential application of DESs for natural gas upgrading, the solubilities of H 2 S, CO 2 , and CH 4 in choline chloride (ChCl) plus urea mixtures were measured in this work. The solubility data were correlated with Henry's law equation to calculate the thermodynamic properties of gas absorption processes, such as Henry's constants and enthalpy changes. Grand-canonical Monte Carlo simulations and quantum chemistry calculations were also performed to examine the mechanism of gas absorption processes. It is found that the absorption of H 2 S in ChCl + urea mixtures is governed by the hydrogen-bond interaction between Cl of ChCl and H of H 2 S, whereas the absorption of CO 2 and CH 4 in ChCl+urea mixtures is governed by the free volume of solvents. Based on the different behavior of gas absorption, high H 2 S/CO 2 , H 2 S/CH 4 , and CO 2 /CH 4 selectivities can be achieved by adjusting the ratio of ChCl/urea in mixtures. © 2019 American Institute of Chemical Engineers

Keyword:

deep eutectic solvents; natural gas upgrading; selective gas absorption; theoretical calculation; thermodynamic analysis

Community:

  • [ 1 ] [Liu, F.]National Engineering Research Center for Chemical Fertilizer Catalyst (NERC-CFC), School of Chemical Engineering, Fuzhou University, Fuzhou, Fujian, China
  • [ 2 ] [Chen, W.]State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, National Center for Magnetic Resonance in Wuhan, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan, Hubei, China
  • [ 3 ] [Mi, J.]National Engineering Research Center for Chemical Fertilizer Catalyst (NERC-CFC), School of Chemical Engineering, Fuzhou University, Fuzhou, Fujian, China
  • [ 4 ] [Zhang, J.-Y.]Key Laboratory of Poyang Lake Environment and Resource Utilization of Ministry of Education, School of Resources Environmental and Chemical Engineering, Nanchang University, Nanchang, Jiangxi, China
  • [ 5 ] [Kan, X.]National Engineering Research Center for Chemical Fertilizer Catalyst (NERC-CFC), School of Chemical Engineering, Fuzhou University, Fuzhou, Fujian, China
  • [ 6 ] [Zhong, F.-Y.]Key Laboratory of Poyang Lake Environment and Resource Utilization of Ministry of Education, School of Resources Environmental and Chemical Engineering, Nanchang University, Nanchang, Jiangxi, China
  • [ 7 ] [Huang, K.]Key Laboratory of Poyang Lake Environment and Resource Utilization of Ministry of Education, School of Resources Environmental and Chemical Engineering, Nanchang University, Nanchang, Jiangxi, China
  • [ 8 ] [Zheng, A.-M.]State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, National Center for Magnetic Resonance in Wuhan, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan, Hubei, China
  • [ 9 ] [Jiang, L.]National Engineering Research Center for Chemical Fertilizer Catalyst (NERC-CFC), School of Chemical Engineering, Fuzhou University, Fuzhou, Fujian, China

Reprint 's Address:

  • [Huang, K.]Key Laboratory of Poyang Lake Environment and Resource Utilization of Ministry of Education, School of Resources Environmental and Chemical Engineering, Nanchang UniversityChina

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Source :

AIChE Journal

ISSN: 0001-1541

Year: 2019

Issue: 5

Volume: 65

3 . 5 1 9

JCR@2019

3 . 5 0 0

JCR@2023

ESI HC Threshold:184

JCR Journal Grade:2

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 147

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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