Novel diethanolamine based deep eutectic mixtures for carbon dioxide (CO2) capture: synthesis and characterisation

Murshid, Ghulam and Mjalli, Farouq Sabri and Naser, Jamil and Al-Zakwani, Suaad and Hayyan, Adeeb (2019) Novel diethanolamine based deep eutectic mixtures for carbon dioxide (CO2) capture: synthesis and characterisation. Physics and Chemistry of Liquids, 57 (4). pp. 473-490. ISSN 0031-9104, DOI

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In this work, diethanolamine was successfully used as a hydrogen bond donor to prepare three different deep eutectic solvents (DESs) using three quaternary ammonium salts at different molar ratios. Important physical properties of the prepared DESs including melting point, glass transition, crystallisation temperature, density, refractive index and viscosity were measured in temperature ranging from (298.15 to 358.15 K). Moreover, in order to explore the changes in chemical structures of the DESs, FTIR analysis was performed. The developed DESs have melting points lower than 293.15 K, and of significantly low density (close to water) and comparable viscosity. The effect of temperature and molar ratio on physical properties were also discussed. Empirical models were used to correlate the density, refractive index and viscosity data of the DESs as a function of temperature and molar ratio. A quantitative analysis, also called as ANOVA analysis, was conducted to investigate the significance of the experimental physical properties data. The new DESs prepared in this work have a potential to be used in numerous applications including CO 2 capture. © 2018, © 2018 Informa UK Limited, trading as Taylor & Francis Group.

Item Type: Article
Funders: Sultan Qaboos University
Uncontrolled Keywords: Properties; ionic liquids; carbon dioxide; diethanolamine; deep eutectic solvents
Subjects: T Technology > TP Chemical technology
Divisions: Deputy Vice Chancellor (Research & Innovation) Office > Nanotechnology & Catalysis Research Centre
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 03 Mar 2020 01:51
Last Modified: 03 Mar 2020 01:51

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