Recent advances in ionic liquids-based hybrid processes for CO2 capture and utilization

Lian, Shaohan; Song, Chunfeng; Liu, Qingling; Duan, Erhong; Ren, Hongwei; Kitamura, Yutaka

doi:10.1016/j.jes.2020.06.034

Cited by 158 publications

(64 citation statements)

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“…Several reviews for IL/DES-based hybrid solvents from the aspect of CO 2 solubility, Henry's constant, and viscosity have been published. Babamohammadi [29]. Recently, more IL-based hybrid solvents have been developed combined with property measurements, making it necessary to update the latest research progress.…”

Section: Introductionmentioning

confidence: 99%

Ionic Liquids/Deep Eutectic Solvents-Based Hybrid Solvents for CO2 Capture

Liu

Dai

et al. 2020

Crystals

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The CO2 solubilities (including CO2 Henry’s constants) and viscosities in ionic liquids (ILs)/deep eutectic solvents (DESs)-based hybrid solvents were comprehensively collected and summarized. The literature survey results of CO2 solubility illustrated that the addition of hybrid solvents to ILs/DESs can significantly enhance the CO2 solubility, and some of the ILs-based hybrid solvents are super to DESs-based hybrid solvents. The best hybrid solvents of IL–H2O, IL–organic, IL–amine, DES–H2O, and DES–organic are [DMAPAH][Formate] (2.5:1) + H2O (20 wt %) (4.61 mol/kg, 298 K, 0.1 MPa), [P4444][Pro] + PEG400 (70 wt %) (1.61 mol/kg, 333.15 K, 1.68 MPa), [DMAPAH][Formate] (2.0:1) + MEA (30 wt %) (6.24 mol/kg, 298 K, 0.1 MPa), [TEMA][Cl]-GLY-H2O 1:2:0.11 (0.66 mol/kg, 298 K, 1.74 MPa), and [Ch][Cl]-MEA 1:2 + DBN 1:1 (5.11 mol/kg, 298 K, 0.1 MPa), respectively. All of these best candidates show higher CO2 solubility than their used pure ILs or DESs, evidencing that IL/DES-based hybrid solvents are remarkable for CO2 capture. For the summarized viscosity results, the presence of hybrid solvents in ILs and DESs can decrease their viscosities. The lowest viscosities acquired in this work for IL–H2O, IL–amine, DES–H2O, and DES–organic hybrid solvents are [DEA][Bu] + H2O (98.78 mol%) (0.59 mPa·s, 343.15 K), [BMIM][BF4] + DETA (94.9 mol%) (2.68 mPa·s, 333.15 K), [L-Arg]-GLY 1:6 + H2O (60 wt %) (2.7 mPa·s, 353.15 K), and [MTPP][Br]-LEV-Ac 1:3:0.03 (16.16 mPa·s, 333.15 K) at 0.1 MPa, respectively.

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Section: Introductionmentioning

confidence: 99%

Ionic Liquids/Deep Eutectic Solvents-Based Hybrid Solvents for CO2 Capture

Liu

Dai

et al. 2020

Crystals

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“…Figures 2(A and B) show the CO 2 capture mechanisms in amine-functionalized ILs and the chemical interaction of a phosphonium-based ionic liquid with CO 2 , respectively. 58,88 From a review conducted by Lian et al 89 on ILs, it was shown that the main advantage that an ILs-based process has over an MEA-based process is in the economical aspect. It was shown that up to 24.8 to 30.01% of energy and 29.99% in primary cost can be saved due to the less energy-intensive absorption and desorption process of an ILs-based process.…”

Section: Ionic Liquids (Ils) Groupsmentioning

confidence: 99%

“…32,38,65,66,83,118,[124][125][126] The purpose of these initiatives is to combine the advantages of the different absorbents to enhance their CO 2 capture performance and overcome their limitations. 89,127 As numerous hybrid absorbents are being proposed over the years, this subsection only highlights some of the recent development of different hybrid absorbents. One popular absorbent system developed is the hybrid of alkanolamines and ILs.…”

Section: Hybrid/novel Absorbentmentioning

confidence: 99%

“…83,89,120 In addition, even though certain ILs can achieve high absorption capacity such as amino acid-based ILs, their preparation process is considered to be unfriendly to the environment. 89 It should also be noted that data on the CO 2 capture efficiency and CO 2 absorption rate of ILs are relatively limited and the mechanisms of ILs with carbon capture are still unclear. 89,153 Nevertheless, ILs still present high potential in the CCU sector but for ILs to fit into this criterion, continuous research is required to develop novel ILs that can overcome the above-mentioned limitations.…”

Section: Potential Co 2 Capture Absorbents For Co 2 Utilization After...mentioning

confidence: 99%

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Review of carbon capture absorbents for CO₂utilization

2022

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Carbon capture technologies have been recognized as a potential alternative to alleviate global warming. Carbon capture and storage (CCS) is preferred over carbon conversion and utilization (CCU) due to its lower operating costs and higher CO2 reduction capability. Nevertheless, CO2 utilization has the potential to be more economical if value‐added products are produced. This highlights the importance of assessing CO2 utilization routes and alternatives in carbon management. This review paper aims to evaluate the carbon utilization potential of major CO2‐capturing absorbents including amine, hydroxide, ionic liquid, amino acids and carbonate absorbents. All absorbents show potential application for CO2 utilization except for ionic liquids (ILs) due to their unclear CO2 capture mechanisms. Absorbents that require a desorption process for CO2 utilization include MEA, MDEA, K2CO3 and Na2CO3 due to their high absorption capacity. Industries have utilized the desorbed CO2 as chemical feedstocks, enhanced oil recovery (EOR) and mineral carbonation. For hydroxide absorbents and CaCO3, desorption of CO2 is unnecessary as the absorbed CO2 can be directly utilized to produce construction materials. Apart from that, the incorporation of advanced technologies and business models introduced by the fourth industrial revolution are plausible considerations to accelerate the development of carbon capture technologies. © 2022 Society of Chemical Industry and John Wiley & Sons, Ltd.

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“…Several CCU techniques have been introduced such as cryogenic separation, adsorption, absorption, biofixation, membrane separation, etc. [ 10 , 11 ]. The CCU system is useful not only in controlling GHG effects and global warming but also in generating instinctive financial means.…”

Section: Introductionmentioning

confidence: 99%

Sustainable Membrane-Based Wastewater Reclamation Employing CO2 to Impede an Ionic Precipitation and Consequent Scale Progression onto the Membrane Surfaces

Shahid

Choi

2021

Membranes

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CO2 capture and utilization (CCU) is a promising approach in controlling the global discharge of greenhouse gases (GHG). This study details the experimental investigation of CO2 utilization in membrane-based water treatment systems for lowering the potential of ionic precipitation on membrane surface and subsequent scale development. The CO2 utilization in feed water reduces the water pH that enables the dissociation of salts in their respective ions, which leave the system as a concentrate. This study compares the efficiency of CO2 and other antifouling agents (CA-1, CA-2, and CA-3) for fouling control in four different membrane-based wastewater reclamation operations. These systems include Schemes 1, 2, 3, and 4, which were operated with CA-1, CA-2, CA-3, and CO2 as antiscalants, respectively. The flux profile and percent salt rejection achieved in Scheme 4 confirmed the higher efficiency of CO2 utilization compared with other antifouling agents. This proficient role of CO2 in fouling inhibition is further endorsed by the surface analysis of used membranes. The SEM, EDS, and XRD examination confirmed the higher suitability of CO2 utilization in controlling scale deposition compared with other antiscalants. The cost estimation also supported the CO2 utilization for environmental friendly and safe operation.

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Recent advances in ionic liquids-based hybrid processes for CO2 capture and utilization

Cited by 158 publications

References 158 publications

Ionic Liquids/Deep Eutectic Solvents-Based Hybrid Solvents for CO2 Capture

Ionic Liquids/Deep Eutectic Solvents-Based Hybrid Solvents for CO2 Capture

Review of carbon capture absorbents for CO₂utilization

Sustainable Membrane-Based Wastewater Reclamation Employing CO2 to Impede an Ionic Precipitation and Consequent Scale Progression onto the Membrane Surfaces

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Recent advances in ionic liquids-based hybrid processes for CO2 capture and utilization

Cited by 158 publications

References 158 publications

Ionic Liquids/Deep Eutectic Solvents-Based Hybrid Solvents for CO2 Capture

Ionic Liquids/Deep Eutectic Solvents-Based Hybrid Solvents for CO2 Capture

Review of carbon capture absorbents for CO2utilization

Sustainable Membrane-Based Wastewater Reclamation Employing CO2 to Impede an Ionic Precipitation and Consequent Scale Progression onto the Membrane Surfaces

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Review of carbon capture absorbents for CO₂utilization