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Author:

Guo, Yangyang (Guo, Yangyang.) | Wang, Zhan (Wang, Zhan.) (Scholars:王湛) | Ma, Yu (Ma, Yu.) | Li, Ping (Li, Ping.) | Hu, Ge (Hu, Ge.)

Indexed by:

EI Scopus SCIE

Abstract:

A composite model of the membrane cleaning was proposed for considering the irreversible process (swelling process) and the reversible process (dissolution and deposition processes). This model has been developed by considering the mass variation of the foulants at different stages (swelling, dissolution and deposition). It can be used to predict the instantaneous fouling resistance in the hydraulic cleaning process. The effect of the interaction energy (between foulants and the membrane) on the model parameters (swelling, dissolution and deposition rate constants of foulants) was systematically investigated. The results showed that the model predictions were in good agreement with experimental data (R-2>0.9900). Its corresponding accuracy (sigma = 0.92%) was higher than that of Matzinos's model (sigma = 3.56%) and Wang's model (sigma = 4.39%). Meanwhile, the smaller attractive interaction energy (2.01 x 10(3)kT) results in the larger swelling and dissolution rate constants, and benefits to reach a higher flux recovery rate (90%). In addition, the proposed model also can use to select the optimum cleaning condition for the hydraulic cleaning process.

Keyword:

Fouling resistance Removal rate Composite model Mechanism Hydraulic cleaning

Author Community:

  • [ 1 ] [Guo, Yangyang]Beijing Univ Technol, Dept Chem & Chem Engn, Beijing Key Lab Green Catalysis & Separat, Beijing 100124, Peoples R China
  • [ 2 ] [Wang, Zhan]Beijing Univ Technol, Dept Chem & Chem Engn, Beijing Key Lab Green Catalysis & Separat, Beijing 100124, Peoples R China
  • [ 3 ] [Hu, Ge]Beijing Univ Technol, Dept Chem & Chem Engn, Beijing Key Lab Green Catalysis & Separat, Beijing 100124, Peoples R China
  • [ 4 ] [Ma, Yu]China Climat Ctr Xinjiang Uygur Autonomous Reg Ch, Beijing 830002, Peoples R China
  • [ 5 ] [Li, Ping]Tongji Univ, Sch Environm Sci & Engn, State Key Lab Pollut Control & Resource Reuse, Shanghai 200092, Peoples R China

Reprint Author's Address:

  • 王湛

    [Wang, Zhan]Beijing Univ Technol, Dept Chem & Chem Engn, Beijing Key Lab Green Catalysis & Separat, Beijing 100124, Peoples R China

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Source :

JOURNAL OF MEMBRANE SCIENCE

ISSN: 0376-7388

Year: 2020

Volume: 602

9 . 5 0 0

JCR@2022

ESI Discipline: CHEMISTRY;

ESI HC Threshold:139

Cited Count:

WoS CC Cited Count: 10

SCOPUS Cited Count: 14

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 4

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