Deep Eutectic Solvents: Physicochemical Properties and Gas Separation Applications
Open accessAbstract
Sustainable technologies applied to energy-related applications should develop a pivotal role in the next decades. In particular, carbon dioxide capture from flue gases emitted by fossil-fueled power plants should play a pivotal role in controlling and reducing the greenhouse effect. Therefore, the development of new materials for carbon capture purposes has merged as central research line, for which many alternatives have been proposed. Ionic liquids (ILs) have emerged as one of the most promising choices for carbon capture, but in spite of their promising properties, some serious drawbacks have also appeared. Deep eutectic solvents (DESs) have recently been considered as alternatives to ILs that maintain most of their relevant properties, such as task-specific character, and at the same time avoid some of their problems, mainly from economic and environmental viewpoints. DES production from low-cost and natural sources, together with their almost null toxicity and total biodegradability, makes these solvents a suitable platform for developing gas separation agents within the green chemistry framework. Therefore, because of the promising characteristics of DESs as CO2 absorbents and in general as gas separating agents, the state of the art on physicochemical properties of DESs in relationship to their influence on gas separation mechanisms and on the studies of gas solubility in DESs are discussed. The objective of this review work is to analyze the current knowledge on gas separation using DESs, comparing the capturing abilities and properties of DESs with those of ILs, inferring the weaknesses and strengths of DESs, and proposing future research directions on this subject.
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NADES have been suggested as alternatives to traditional volatile organic solvents in chemical processes such as carbon dioxide capture, biodiesel production, lignocellulose processing, electrolytes, biocatalysis, electrochemical detection, biodegradable reaction media, super absorbents, and soil washing.
“Therefore, in recent years they have been suggested as an alternative to traditional volatile organic solvents in chemical processes and applications such as: solvents for carbon dioxide capture (García et al. 2015;Mulia et al. 2016b), solvents for biodiesel production and processing lignocellulose (Tang et al. 2017;Taslim et al. 2016), as electrolytes (Gomez, Spisso, and Silva 2017), in biocataly”
From The perspectives of natural deep eutectic solvents in agri-food sector (2020) · cites this paper as García et al. 2015
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- Authors
- García, G., Aparicio, S., Ullah, R., & Atilhan, M.
- Affiliations
- University of Burgos , , ,
- Qatar University (QA)
- ORCID
- Atilhan, Mert
- Venue
- Energy & Fuels
- Publisher
- American Chemical Society (ACS)
- Published
- 2015-02-26
- Volume
- 29
- Issue
- 4
- Pages
- 2616-2644
- ISSN
- 0887-0624 (ISSN-L)
- 1520-5029
- OpenAlex
- W2329989147
- Cited by
- 1,112
- References
- 9
- Citations by year
- 2026: 86 · 2025: 110 · 2024: 125 · 2023: 126 · 2022: 118 · 2021: 148 · 2020: 132 · 2019: 99 · 2018: 63 · 2017: 71 · 2016: 22 · 2015: 12
- FWCI
- 18.91
- Type
- journal article
- Language
- en
- Open access
- hybrid
- doi.org
- Locations
- Energy & Fuels (publishedVersion, other-oa)
- Qatar University QSpace (Qatar University) (submittedVersion)
- Funders
- Junta de Castilla y León (BU324U14)
- Ministerio de Economía y Competitividad (CTQ2013-40476-R)
- Qatar National Research Fund (NPRP-6-330-2-140)
- Topics
- Physical Sciences › Chemical Engineering › Catalysis › Ionic liquids properties and applications
- Physical Sciences › Engineering › Mechanical Engineering › Carbon Dioxide Capture Technologies
- Physical Sciences › Engineering › Biomedical Engineering › Phase Equilibria and Thermodynamics
- Keywords
- deep eutectic solvents, CO2 capture, gas separation, ionic liquids, physicochemical properties, gas solubility, flue gas, CO2 absorbents, green solvents, greenhouse gas emissions reduction
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