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Osman A, Ziyada AK, Khan AM, Rajab F. Alkylimidazolium-based ionic liquids with tailored anions and cations for CO 2 capture. RSC Adv 2024; 14:3985-3995. [PMID: 38288148 PMCID: PMC10823357 DOI: 10.1039/d3ra08335g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Accepted: 01/22/2024] [Indexed: 01/31/2024] Open
Abstract
A systematic investigation was conducted in the present study to determine how various cations and anions affected the solubility of CO2. To investigate the influence of different cations and anions on the solubility of CO2, twelve ILs were synthesized, characterized, and utilized. These ILs comprised five distinct anions (dioctylsulfosuccinate [DOSS], triflouromethanesulfonate [TFMS], dodecylsulfate [DDS], 3-sulfobezoate [SBA], and benzene sulfonate [BS]), and four distinct cations (1-butyl-3-propanenitrile imidazolium [C2CN Bim], 1-hexyl-3-propanenitrile imidazolium [C2CN Him], 1-octyl-3-propanenitrile imidazolium [C2CN Oim], and 1-decyl-3-propanenitrile imidazolium [C2CN Dim]). The synthesized ILs were characterized using NMR and elemental analysis. Their moisture and halide contents were determined. The gravimetric method (MSB) was employed to determine the solubility of CO2 at various pressures (20, 15, 10, 5, and 1 bar). In addition, the effects of temperature on the solubility of CO2 were investigated. The constant of Henry's law (kH) was also calculated, along with thermodynamic properties including standard enthalpy (H0), entropy (S0), and Gibbs free energy (G0).
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Affiliation(s)
- Abdelbagi Osman
- Department of Chemical Engineering, College of Engineering, Najran University P.O. Box 1988 Najran 11001 Saudi Arabia
| | - Abobakr K Ziyada
- Department of General Studies, Jubail Industrial College PO Box 10099 Jubail Industrial City 31961 Saudi Arabia
| | - Abdul Majeed Khan
- Department of General Studies, Jubail Industrial College PO Box 10099 Jubail Industrial City 31961 Saudi Arabia
| | - Fahd Rajab
- Department of Chemical Engineering, College of Engineering, Najran University P.O. Box 1988 Najran 11001 Saudi Arabia
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Ji H, Yan G, Zou P, Wang H, Li M, Feng Y, Qu X, Geng D, Shi J, Zhang X. Synthesis of Vinylene-Linked Thiopyrylium-, Pyrylium-, and Pyridinium-Based Covalent Organic Frameworks by Acid-Catalyzed Aldol Condensation. Chemistry 2023; 29:e202202787. [PMID: 36196504 DOI: 10.1002/chem.202202787] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Indexed: 11/12/2022]
Abstract
The development of new vinylene-linked covalent organic frameworks (COFs) with special ionic structure and high stability is challenging. Herein, we report a facile, general method for constructing ionic vinylene-linked thiopyrylium-based COFs from 2,4,6-trimethylpyrylium tetrafluoroborate and other common reagents by means of acid-catalyzed Aldol condensation. Besides, pyrylium-, and pyridinium-based COFs also can be prepared from the same monomer under slightly different reaction conditions. The COFs exhibited uniform nanofibrous morphologies with excellent crystallinities, special ionic structures, well-defined nanochannels, and high specific surface areas.
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Affiliation(s)
- Haifeng Ji
- Hebei Key Laboratory of Functional Polymers, Department of Polymer Materials and Engineering, School of Chemical Engineering and Technology, Hebei University of Technology, 8 Guangrong Street, Tianjin, 300130, P. R. China
| | - Gaojie Yan
- Hebei Key Laboratory of Functional Polymers, Department of Polymer Materials and Engineering, School of Chemical Engineering and Technology, Hebei University of Technology, 8 Guangrong Street, Tianjin, 300130, P. R. China
| | - Peng Zou
- Downhole Technology Service Company, Bohai Drilling Engineering Company Limited, CNPC, Dagang, Tianjin, 300283, P. R. China
| | - Han Wang
- Hebei Key Laboratory of Functional Polymers, Department of Polymer Materials and Engineering, School of Chemical Engineering and Technology, Hebei University of Technology, 8 Guangrong Street, Tianjin, 300130, P. R. China
| | - Mengke Li
- Hebei Key Laboratory of Functional Polymers, Department of Polymer Materials and Engineering, School of Chemical Engineering and Technology, Hebei University of Technology, 8 Guangrong Street, Tianjin, 300130, P. R. China
| | - Yi Feng
- Hebei Key Laboratory of Functional Polymers, Department of Polymer Materials and Engineering, School of Chemical Engineering and Technology, Hebei University of Technology, 8 Guangrong Street, Tianjin, 300130, P. R. China
| | - Xiongwei Qu
- Hebei Key Laboratory of Functional Polymers, Department of Polymer Materials and Engineering, School of Chemical Engineering and Technology, Hebei University of Technology, 8 Guangrong Street, Tianjin, 300130, P. R. China
| | - Dongling Geng
- College of Science, Civil Aviation University of China, Tianjin, 300300, P. R. China
| | - Jingjing Shi
- School of Science, Nantong University, Nantong, 226019, Jiangsu Province, P. R. China
| | - Xiaojie Zhang
- Hebei Key Laboratory of Functional Polymers, Department of Polymer Materials and Engineering, School of Chemical Engineering and Technology, Hebei University of Technology, 8 Guangrong Street, Tianjin, 300130, P. R. China
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Fu Y, Suo X, Yang Z, Dai S, Jiang DE. Computational Insights into Malononitrile-Based Carbanions for CO 2 Capture. J Phys Chem B 2022; 126:6979-6984. [PMID: 36047943 DOI: 10.1021/acs.jpcb.2c03082] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Although anionic N and O sites have been widely used in chemisorption of CO2, carbanions are much less explored for CO2 capture. Here we employ ab initio calculations and quantum mechanical/molecular mechanical (QM/MM) molecular dynamics (MD) simulations to examine the interaction between CO2 and the malononitrile carbanion, [CH(CN)2]-. We have explored the potential energy surface of CO2 binding by scanning the C-C distance between CO2 and the central C site of the carbanion. We find that CO2 prefers to bind to the nitrile group physically rather than to form a C-C bond via the carboxylation reaction at the sp2 C site. Moreover, the two -CN groups can attract two CO2 molecules at equal strength. The presence of an alkali metal ion enhances both physical and chemical interactions of CO2 with the malononitrile carbanion. QM/MM MD simulations further confirm the preference of physical interaction in the condensed ionic liquid phase with a phosphonium cation. Our findings suggest that ionic liquids based on the malononitrile carbanion may have a high CO2 solubility for carbon capture.
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Affiliation(s)
- Yuqing Fu
- Department of Chemistry, University of California, Riverside, Riverside, California 92521, United States
| | - Xian Suo
- Department of Chemistry, Joint Institute for Advanced Materials, The University of Tennessee, Knoxville, Tennessee 37996, United States
| | - Zhenzhen Yang
- Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States
| | - Sheng Dai
- Department of Chemistry, Joint Institute for Advanced Materials, The University of Tennessee, Knoxville, Tennessee 37996, United States.,Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States
| | - De-En Jiang
- Department of Chemical and Biomolecular Engineering, Vanderbilt University, Nashville, Tennessee 37235, United States
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9
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Al‐Barghouti KS, Scurto AM. Thermal Conductivity of the Ionic Liquid [
HMIm
][
Tf
2
N
] with Compressed Carbon Dioxide. AIChE J 2022. [DOI: 10.1002/aic.17635] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Karim S. Al‐Barghouti
- Department of Chemical & Petroleum Engineering University of Kansas Lawrence Kansas USA
- Center for Environmentally Beneficial Catalysis University of Kansas Lawrence Kansas USA
| | - Aaron M. Scurto
- Department of Chemical & Petroleum Engineering University of Kansas Lawrence Kansas USA
- Center for Environmentally Beneficial Catalysis University of Kansas Lawrence Kansas USA
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Qian S, Liu X, Turner CH, Bara JE. Synthesis and properties of symmetric glycerol-derived 1,2,3-triethers and 1,3-diether-2-ketones for CO2 absorption. Chem Eng Sci 2022. [DOI: 10.1016/j.ces.2021.117150] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Liu X, Bara JE, Turner CH. Understanding Gas Solubility of Pure Component and Binary Mixtures within Multivalent Ionic Liquids from Molecular Simulations. J Phys Chem B 2021; 125:8165-8174. [PMID: 34260241 DOI: 10.1021/acs.jpcb.1c04212] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Understanding the molecular-level solubility of CO2 and its mixtures is essential to the progress of gas-treating technologies. Herein, we use grand canonical Monte Carlo simulations to study the single-component gas absorption of SO2, N2, CH4, and H2 and binary mixtures of CO2/SO2, CO2/N2, CO2/CH4, and CO2/H2 of varying mole fractions within multivalent ionic liquids (ILs). Our results highlight the importance of the free volume effect and the anion effect when interpreting the absorption behavior of these mixtures, similar to the behavior of CO2 found in our previous study (Phys. Chem. Chem. Phys. 2020, 22, 20618-20633). The deviation of gas solubility between the pure component absorption versus the binary absorption, as well as the solubility selectivity, highlights the importance of the relative affinity of gas species within a mixture to the different anions. The absorption selectivity within a specific IL system can be predicted based on the relative gas affinity to the anion.
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Affiliation(s)
- Xiaoyang Liu
- Department of Chemical and Biological Engineering, The University of Alabama, Tuscaloosa, Alabama 35487, United States
| | - Jason E Bara
- Department of Chemical and Biological Engineering, The University of Alabama, Tuscaloosa, Alabama 35487, United States
| | - C Heath Turner
- Department of Chemical and Biological Engineering, The University of Alabama, Tuscaloosa, Alabama 35487, United States
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