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An overview about the extraction of heavy metals and other critical pollutants from contaminated water via hydrophobic deep eutectic solvents

Water pollution is a critical and problematic issue that threatens the sustainability of human civilization. Wastewater streams include a variety of major contaminants that must be eliminated prior to being discharged into the environment. A class of neoteric solvents called hydrophobic deep eutecti...

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Main Authors: Wazeer, Irfan, Hizaddin, Hanee Farzana, Hashim, Mohd A., Hadj-Kali, Mohamed K.
Format: Article
Published: Elsevier Science Ltd 2022
Subjects:
TP Chemical technology
Online Access:http://eprints.um.edu.my/40714/
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spelling my.um.eprints.407142023-11-14T04:55:59Z http://eprints.um.edu.my/40714/ An overview about the extraction of heavy metals and other critical pollutants from contaminated water via hydrophobic deep eutectic solvents Wazeer, Irfan Hizaddin, Hanee Farzana Hashim, Mohd A. Hadj-Kali, Mohamed K. TP Chemical technology Water pollution is a critical and problematic issue that threatens the sustainability of human civilization. Wastewater streams include a variety of major contaminants that must be eliminated prior to being discharged into the environment. A class of neoteric solvents called hydrophobic deep eutectic solvents (HDESs) has recently attracted much interest in the academic and industrial communities. Because of their remarkable characteristics, which include their low vapor pressure, a broad liquid range, minimal water miscibility, low flammability, and high solvation ability; HDESs are prospective substitutes for organic solvents currently used in industry. In this review, recent results on the removal of toxic/heavy metals, phenolic pollutants and polycyclic aromatic hy-drocarbons from an aqueous environment using HDESs are presented. The effects of various parameters on extraction performance, such as the nature of hydrogen bond donor or acceptor, the molar ratio of HDES con-stituents, the mass ratio of HDES to water, and the initial concentration of contaminants are discussed. Various obstacles and possible improvements in the treatment processes are also addressed. These findings can serve as a basis for future research to develop effective HDES-based processes to treat contaminated water and thereby address a growing global environmental challenge. Elsevier Science Ltd 2022-12 Article PeerReviewed Wazeer, Irfan and Hizaddin, Hanee Farzana and Hashim, Mohd A. and Hadj-Kali, Mohamed K. (2022) An overview about the extraction of heavy metals and other critical pollutants from contaminated water via hydrophobic deep eutectic solvents. Journal of Environmental Chemical Engineering, 10 (6). ISSN 2213-2929, DOI https://doi.org/10.1016/j.jece.2022.108574 <https://doi.org/10.1016/j.jece.2022.108574>. 10.1016/j.jece.2022.108574
institution Universiti Malaya
building UM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaya
content_source UM Research Repository
url_provider http://eprints.um.edu.my/
topic TP Chemical technology
spellingShingle TP Chemical technology
Wazeer, Irfan
Hizaddin, Hanee Farzana
Hashim, Mohd A.
Hadj-Kali, Mohamed K.
An overview about the extraction of heavy metals and other critical pollutants from contaminated water via hydrophobic deep eutectic solvents
description Water pollution is a critical and problematic issue that threatens the sustainability of human civilization. Wastewater streams include a variety of major contaminants that must be eliminated prior to being discharged into the environment. A class of neoteric solvents called hydrophobic deep eutectic solvents (HDESs) has recently attracted much interest in the academic and industrial communities. Because of their remarkable characteristics, which include their low vapor pressure, a broad liquid range, minimal water miscibility, low flammability, and high solvation ability; HDESs are prospective substitutes for organic solvents currently used in industry. In this review, recent results on the removal of toxic/heavy metals, phenolic pollutants and polycyclic aromatic hy-drocarbons from an aqueous environment using HDESs are presented. The effects of various parameters on extraction performance, such as the nature of hydrogen bond donor or acceptor, the molar ratio of HDES con-stituents, the mass ratio of HDES to water, and the initial concentration of contaminants are discussed. Various obstacles and possible improvements in the treatment processes are also addressed. These findings can serve as a basis for future research to develop effective HDES-based processes to treat contaminated water and thereby address a growing global environmental challenge.
format Article
author Wazeer, Irfan
Hizaddin, Hanee Farzana
Hashim, Mohd A.
Hadj-Kali, Mohamed K.
author_facet Wazeer, Irfan
Hizaddin, Hanee Farzana
Hashim, Mohd A.
Hadj-Kali, Mohamed K.
author_sort Wazeer, Irfan
title An overview about the extraction of heavy metals and other critical pollutants from contaminated water via hydrophobic deep eutectic solvents
title_short An overview about the extraction of heavy metals and other critical pollutants from contaminated water via hydrophobic deep eutectic solvents
title_full An overview about the extraction of heavy metals and other critical pollutants from contaminated water via hydrophobic deep eutectic solvents
title_fullStr An overview about the extraction of heavy metals and other critical pollutants from contaminated water via hydrophobic deep eutectic solvents
title_full_unstemmed An overview about the extraction of heavy metals and other critical pollutants from contaminated water via hydrophobic deep eutectic solvents
title_sort overview about the extraction of heavy metals and other critical pollutants from contaminated water via hydrophobic deep eutectic solvents
publisher Elsevier Science Ltd
publishDate 2022
url http://eprints.um.edu.my/40714/
_version_ 1783876708573642752
score 13.211869

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