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Mechanically stable superhydrophobic nanostructured aluminum mesh with reduced water surface friction
, Article Nanotechnology ; Volume 32, Issue 19 , 2021 ; 09574484 (ISSN) ; Afzali, N ; Taghvaei, N ; Moosavi, A ; Sharif University of Technology
IOP Publishing Ltd
2021
Abstract
Superhydrophobic surfaces demonstrate significant characteristics which make them suitable for a wide variety of applications. In this study, we propose a facile, one-step, and cost-effective anodizing scheme using aluminum nitrate/stearic acid mixture solution to create a superhydrophobic surface on an aluminum mesh. The surface outperforms the surface anodized by the widely used oxalic acid solution in terms of superhydrophobicity and water-surface friction behavior. The proposed surface reduced the friction by 11% on average respective to the surface prepared by oxalic acid. The durability of the introduced superhydrophobic surface has also been investigated. The proposed surface retained...
Chemistry, abundance, detection and treatment of per- and polyfluoroalkyl substances in water: a review
, Article Environmental Chemistry Letters ; 2021 ; 16103653 (ISSN) ; Zolghadr, E ; Ahmadalipour, S ; Taghvaei, N ; Akbari Afkhami, F ; Nejati, S ; Elliott, M. A ; Sharif University of Technology
Springer Science and Business Media Deutschland GmbH
2021
Abstract
Per- and polyfluoroalkyl substances (PFAS) encompass a wide range of compounds containing carbon–fluorine bonds. Due the strength of this bond and the high electronegativity of fluorine atoms, PFAS display stability, wettability and other characteristics that are unique for industrial applications and products. However, PFAS induce adverse effects on the environment and human health. Here we review the chemistry, synthesis, properties, analysis, occurrence in water, filtration, removal and oxydation of PFAS. We highlight emerging hybrid treatments to remove PFAS from water. © 2021, The Author(s), under exclusive licence to Springer Nature Switzerland AG
Chemistry, abundance, detection and treatment of per- and polyfluoroalkyl substances in water: a review
, Article Environmental Chemistry Letters ; Volume 20, Issue 1 , 2022 , Pages 661-679 ; 16103653 (ISSN) ; Zolghadr, E ; Ahmadalipour, S ; Taghvaei, N ; Akbari Afkhami, F ; Nejati, S ; Elliott, M. A ; Sharif University of Technology
Springer Science and Business Media Deutschland GmbH
2022
Abstract
Per- and polyfluoroalkyl substances (PFAS) encompass a wide range of compounds containing carbon–fluorine bonds. Due the strength of this bond and the high electronegativity of fluorine atoms, PFAS display stability, wettability and other characteristics that are unique for industrial applications and products. However, PFAS induce adverse effects on the environment and human health. Here we review the chemistry, synthesis, properties, analysis, occurrence in water, filtration, removal and oxydation of PFAS. We highlight emerging hybrid treatments to remove PFAS from water. © 2021, The Author(s), under exclusive licence to Springer Nature Switzerland AG