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Author:

Sun, D. (Sun, D..) | Gu, B.-X. (Gu, B.-X..) | Huo, H.-Q. (Huo, H.-Q..) | Wang, H. (Wang, H..) | Ji, Y.-L. (Ji, Y.-L..) | Gao, C.-J. (Gao, C.-J..)

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EI Scopus SCIE

Abstract:

The separation and removal of nutrient salts from wastewater can realize environmental remediation, and resource recycling and utilization. Electrodialysis (ED) membrane separation technology can offer an effective and low-energy consumption alternative but requires selective separation of nutrient salts with rapid anions permeation rate. We fabricated selective anion exchange membranes (PA-ATG) with the polyamide (PA) surface modification of commercial ATG anion exchange membrane by interfacial polymerization (IP) method. The dense PA thin-film layer with high hydrophilicity and electronegativity facilitates nitrate/phosphate anions selectively permeating through the PA-ATG membrane. The PA-ATG membrane exhibited a NO3− anion permeation rate of 1.1 mol m−2 h−1 and good NO3−/HxPO4(3−x)- permselectivity of 2.02, which is ∼2.0 times higher than that of the pristine ATG membrane. Owing to the rigid aromatic crosslinking structure, and electrostatic and hydrogen-bonding multiple interfacial interaction, the as-prepared membrane PA-ATG showed good stable and efficient separation performance during ED process for the nutrient wastewater treatment. © 2024 Elsevier B.V.

Keyword:

Electrodialysis Selective anion exchange membrane Surface modification Nutrient salt separation Interfacial polymerization

Author Community:

  • [ 1 ] [Sun D.]College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, 310014, China
  • [ 2 ] [Gu B.-X.]College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, 310014, China
  • [ 3 ] [Gu B.-X.]Beijing Key Laboratory for Green Catalysis and Separation, Department of Chemical Engineering, Beijing University of Technology, Beijing, 100124, China
  • [ 4 ] [Huo H.-Q.]College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, 310014, China
  • [ 5 ] [Huo H.-Q.]Beijing Key Laboratory for Green Catalysis and Separation, Department of Chemical Engineering, Beijing University of Technology, Beijing, 100124, China
  • [ 6 ] [Wang H.]College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, 310014, China
  • [ 7 ] [Ji Y.-L.]College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, 310014, China
  • [ 8 ] [Gao C.-J.]College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, 310014, China

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Source :

Journal of Membrane Science

ISSN: 0376-7388

Year: 2025

Volume: 717

9 . 5 0 0

JCR@2022

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 9

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