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Cited 18 time in webofscience Cited 21 time in scopus
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Comprehensive Electrokinetic-Assisted Separation of Oil Emulsion with Ultrahigh Flux SCIE SCOPUS

Title
Comprehensive Electrokinetic-Assisted Separation of Oil Emulsion with Ultrahigh Flux
Authors
Kwon, Hyukjin J.Lee, MinsooHong, Seong KyungPark, ChanCho, Seong J.Lim, Geunbae
Date Issued
2021-10
Publisher
American Chemical Society
Abstract
Many industries have a significant but largely unmet need for efficient and high-flux emulsion separation, particularly for nanoemulsions. Conventional separation membranes rely on size-based separation mainly utilizing a sieving mechanism plus a wetting phenomenon, resulting in a dramatic trade-off between separation efficiency and separation flux. Herein we address this challenge by adapting electrokinetics to membrane-based separation, using a charge-based mechanism capable of separating even nanoemulsions with a demonstrated separation efficiency of >99% and ultrahigh flux up to 40 000 L/H.m(2). Our device arrests nano-oil droplets, allowing them to coalesce into larger droplets which are then able to be filtered by coarser membranes. This hybrid technology makes electrokinetic-assisted filtration scalable and commercially viable and allows for a better understanding of the multiphysics underlying dynamic separation.
URI
https://oasis.postech.ac.kr/handle/2014.oak/110904
DOI
10.1021/acsnano.1c03329
ISSN
1936-0851
Article Type
Article
Citation
ACS Nano, vol. 15, no. 10, page. 15815 - 15823, 2021-10
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임근배LIM, GEUN BAE
Dept of Mechanical Enginrg
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