A critical review on the use of nanoparticles in liquid–liquid extraction

Amani, Pouria, Amani, Mohammad, Ahmadi, Goodarz, Mahian, Omid and Wongwises, Somchai (2018) A critical review on the use of nanoparticles in liquid–liquid extraction. Chemical Engineering Science, 183 148-176. doi:10.1016/j.ces.2018.03.001

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Author Amani, Pouria
Amani, Mohammad
Ahmadi, Goodarz
Mahian, Omid
Wongwises, Somchai
Title A critical review on the use of nanoparticles in liquid–liquid extraction
Journal name Chemical Engineering Science   Check publisher's open access policy
ISSN 0009-2509
Publication date 2018-06-29
Year available 2018
Sub-type Critical review of research, literature review, critical commentary
DOI 10.1016/j.ces.2018.03.001
Open Access Status File (Author Post-print)
Volume 183
Start page 148
End page 176
Total pages 29
Place of publication Oxford, United Kingdom
Publisher Pergamon Press
Language eng
Subject 1600 Chemistry
1500 Chemical Engineering
2209 Industrial and Manufacturing Engineering
Abstract Recently, the use of nanoparticles in extraction columns has gained increasing attention due to their potential to enhance mass transfer processes. Most of the reported work, however, has been concerned with mass transfer enhancement in gas–liquid systems in the presence of nanoparticles, while limited studies of liquid–liquid systems have been reported. Liquid–liquid extraction is an extensively employed separation method that has taken on a substantial role in engineering and industrial applications for recovery processes. Therefore, the aim of this review article is to provide an overview of the state-of-the-art from the available literature on the effect of nanoparticles on the hydrodynamic behavior and mass transfer performance of liquid–liquid systems. Attention is also given to providing an understanding of the mechanisms responsible for the improvements in mass transfer with the use of nanoparticles. In the majority of studies, the presence of nanoparticles was found to be beneficial and to lead to improved mass transfer, although a few investigations reported a detrimental impact of nanoparticles. The literature does not clearly describe the conditions under which the addition of nanoparticles would be unfavorable. Moreover, the addition of nanoparticles always introduces potential drawbacks, such as sedimentation, accumulation, or clogging inside extraction columns, as well as the need to separate the nanoparticles at the outlets. These drawbacks have not been considered in the literature, limiting the practical employment of nanoparticles in this industry.
Keyword Dispersed phase holdup
Droplet behavior
Liquid–liquid extraction
Mass transfer
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Critical review of research, literature review, critical commentary
Collections: School of Chemical Engineering Publications
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Created: Thu, 22 Mar 2018, 23:21:59 EST