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author:

Yang, Yu (Yang, Yu.) [1] | Ren, Zhiying (Ren, Zhiying.) [2] (Scholars:任志英) | Lin, Youxi (Lin, Youxi.) [3] (Scholars:林有希) | Li, Linlin (Li, Linlin.) [4] | Pan, Ling (Pan, Ling.) [5] (Scholars:潘伶) | Qin, Hongling (Qin, Hongling.) [6] | Hou, Linxi (Hou, Linxi.) [7] (Scholars:侯琳熙)

Indexed by:

EI Scopus SCIE

Abstract:

Due to the trade-off between purity and flux, the development of high-purity, high-flux oil-water separation materials is still an arduous challenge. Herein, to achieve emulsion separation with high purity and high permeability, fluorinated graphene/poly(vinyl alcohol) aerogel (FGPA) with strong honeycomb was obtained via a facile freeze-drying method, and the separation mechanism was investigated via computational fluid dynamics (CFDs) simulation. The as-prepared FGPA exhibited superhydrophobicity-superoleophobicity and cyclic compression stability. Under the complex pore and superhydrophobicity, FGPA could separate water-in-oil emulsions with droplet sizes several times smaller than their own aperture only under gravity with ultrahigh flux (3255 L m(-2) h(-1)) and ultrahigh purity (99.9%). Also, the separation process as visualized using simulations revealed that the vortex accelerates the demulsification behavior and promotes the gathering of water droplets rebounding on the superhydrophobic surface, so that the water droplets are intercepted. Therefore, FGPA has broad practical application potential in high-flux and high-purity oil-water emulsion separation.

Keyword:

CFD simulation emulsion separation graphene high-flux poly(vinyl alcohol) aerogel vortex separation mechanism

Community:

  • [ 1 ] [Yang, Yu]Fuzhou Univ, Inst Met Rubber & Vibrat Noise, Coll Mech Engn & Automat, Fuzhou 350116, Peoples R China
  • [ 2 ] [Ren, Zhiying]Fuzhou Univ, Inst Met Rubber & Vibrat Noise, Coll Mech Engn & Automat, Fuzhou 350116, Peoples R China
  • [ 3 ] [Lin, Youxi]Fuzhou Univ, Inst Met Rubber & Vibrat Noise, Coll Mech Engn & Automat, Fuzhou 350116, Peoples R China
  • [ 4 ] [Li, Linlin]Fuzhou Univ, Inst Met Rubber & Vibrat Noise, Coll Mech Engn & Automat, Fuzhou 350116, Peoples R China
  • [ 5 ] [Pan, Ling]Fuzhou Univ, Inst Met Rubber & Vibrat Noise, Coll Mech Engn & Automat, Fuzhou 350116, Peoples R China
  • [ 6 ] [Qin, Hongling]Fuzhou Univ, Inst Met Rubber & Vibrat Noise, Coll Mech Engn & Automat, Fuzhou 350116, Peoples R China
  • [ 7 ] [Yang, Yu]Fuzhou Frict & Lubricat Ind Technol Innovat Ctr, Fuzhou, Peoples R China
  • [ 8 ] [Ren, Zhiying]Fuzhou Frict & Lubricat Ind Technol Innovat Ctr, Fuzhou, Peoples R China
  • [ 9 ] [Lin, Youxi]Fuzhou Frict & Lubricat Ind Technol Innovat Ctr, Fuzhou, Peoples R China
  • [ 10 ] [Li, Linlin]Fuzhou Frict & Lubricat Ind Technol Innovat Ctr, Fuzhou, Peoples R China
  • [ 11 ] [Pan, Ling]Fuzhou Frict & Lubricat Ind Technol Innovat Ctr, Fuzhou, Peoples R China
  • [ 12 ] [Qin, Hongling]Fuzhou Frict & Lubricat Ind Technol Innovat Ctr, Fuzhou, Peoples R China
  • [ 13 ] [Hou, Linxi]Fuzhou Univ, Dept Mat Oriented Chem Engn, Coll Chem Engn, Fuzhou 350116, Peoples R China
  • [ 14 ] [Hou, Linxi]Qingyuan Innovat Lab, Quanzhou, Fujian, Peoples R China

Reprint 's Address:

  • 任志英 侯琳熙

    [Ren, Zhiying]Fuzhou Univ, Inst Met Rubber & Vibrat Noise, Coll Mech Engn & Automat, Fuzhou 350116, Peoples R China;;[Hou, Linxi]Fuzhou Univ, Dept Mat Oriented Chem Engn, Coll Chem Engn, Fuzhou 350116, Peoples R China

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Source :

AICHE JOURNAL

ISSN: 0001-1541

Year: 2022

Issue: 6

Volume: 68

3 . 7

JCR@2022

3 . 5 0 0

JCR@2023

ESI Discipline: CHEMISTRY;

ESI HC Threshold:74

JCR Journal Grade:2

CAS Journal Grade:3

Cited Count:

WoS CC Cited Count: 15

SCOPUS Cited Count: 15

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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