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Constructing electro-Fenton PVDF membrane with Fe/Cu doped CNTs using lignin as green dispersant for efficient dye removal efficiency and sustainable antifouling and self-cleaning performance.

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Title: Constructing electro-Fenton PVDF membrane with Fe/Cu doped CNTs using lignin as green dispersant for efficient dye removal efficiency and sustainable antifouling and self-cleaning performance.
Authors: Zhao, Luwen1 (AUTHOR), Zhu, Boxuan1 (AUTHOR), Lv, Li1 (AUTHOR), Zhu, Yuan1 (AUTHOR), Zhao, Gege1 (AUTHOR), Du, Tianqi1 (AUTHOR), Zhang, Miao1 (AUTHOR), Li, Chengcheng1 (AUTHOR), Cai, Zaisheng1 (AUTHOR), Zhao, Yaping1,2 (AUTHOR) zhaoyping@dhu.edu.cn
Source: Separation & Purification Technology. Apr2026, Vol. 388, pN.PAG-N.PAG. 1p.
Subjects: Wastewater treatment, Membrane separation, Liquid membranes, Dispersing agents, Composite membranes (Chemistry), Color removal (Sewage purification), Carbon nanotubes
Abstract: The membrane with exceptional selectivity, permeability, and stability shows excellent potential for wastewater treatment. However, their practical implementation faces persistent challenges of membrane fouling and low separation efficiency. Hence, we developed a lignin-dispersed Fe/Cu@CNTs/PVDF(PVDF@L-CFC) electrically conductive composite membrane fabricated via a facile method to address these problems. The conductive PVDF@L-CFC membranes exhibited a high water flux of 189.2 L·m−2·h−1 and a favorable separation efficiency (>90 %) for Methylene Blue (MB). Moreover, the membrane demonstrated outstanding antifouling performance under an applied electric field, maintaining 95.1 % of its normalized flux after five consecutive filtration cycles following MB treatment. With its integrated advantages of electrocatalytic activity, efficient separation, and strong fouling resistance, the PVDF@L-CFC membrane shows great promise for the purification of textile printing and dyeing wastewater. [Display omitted] • The Fe/Cu@CNTs enhances the separation performance and self-cleaning capability of membranes. • Lignin enhances membrane hydrophilicity, porosity, and disperses Fe/Cu@CNTs for improved electrocatalysis. • PVDF@L-CFC shows notable antifouling and self-cleaning capabilities, retaining 0.951 flux over 5 cycles. [ABSTRACT FROM AUTHOR]
Copyright of Separation & Purification Technology is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 191662081
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Label: Title
  Group: Ti
  Data: Constructing electro-Fenton PVDF membrane with Fe/Cu doped CNTs using lignin as green dispersant for efficient dye removal efficiency and sustainable antifouling and self-cleaning performance.
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  Label: Authors
  Group: Au
  Data: <searchLink fieldCode="AR" term="%22Zhao%2C+Luwen%22">Zhao, Luwen</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhu%2C+Boxuan%22">Zhu, Boxuan</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lv%2C+Li%22">Lv, Li</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhu%2C+Yuan%22">Zhu, Yuan</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhao%2C+Gege%22">Zhao, Gege</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Du%2C+Tianqi%22">Du, Tianqi</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhang%2C+Miao%22">Zhang, Miao</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Chengcheng%22">Li, Chengcheng</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Cai%2C+Zaisheng%22">Cai, Zaisheng</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhao%2C+Yaping%22">Zhao, Yaping</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> zhaoyping@dhu.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Separation+%26+Purification+Technology%22">Separation & Purification Technology</searchLink>. Apr2026, Vol. 388, pN.PAG-N.PAG. 1p.
– Name: Subject
  Label: Subjects
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Wastewater+treatment%22">Wastewater treatment</searchLink><br /><searchLink fieldCode="DE" term="%22Membrane+separation%22">Membrane separation</searchLink><br /><searchLink fieldCode="DE" term="%22Liquid+membranes%22">Liquid membranes</searchLink><br /><searchLink fieldCode="DE" term="%22Dispersing+agents%22">Dispersing agents</searchLink><br /><searchLink fieldCode="DE" term="%22Composite+membranes+%28Chemistry%29%22">Composite membranes (Chemistry)</searchLink><br /><searchLink fieldCode="DE" term="%22Color+removal+%28Sewage+purification%29%22">Color removal (Sewage purification)</searchLink><br /><searchLink fieldCode="DE" term="%22Carbon+nanotubes%22">Carbon nanotubes</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The membrane with exceptional selectivity, permeability, and stability shows excellent potential for wastewater treatment. However, their practical implementation faces persistent challenges of membrane fouling and low separation efficiency. Hence, we developed a lignin-dispersed Fe/Cu@CNTs/PVDF(PVDF@L-CFC) electrically conductive composite membrane fabricated via a facile method to address these problems. The conductive PVDF@L-CFC membranes exhibited a high water flux of 189.2 L·m−2·h−1 and a favorable separation efficiency (>90 %) for Methylene Blue (MB). Moreover, the membrane demonstrated outstanding antifouling performance under an applied electric field, maintaining 95.1 % of its normalized flux after five consecutive filtration cycles following MB treatment. With its integrated advantages of electrocatalytic activity, efficient separation, and strong fouling resistance, the PVDF@L-CFC membrane shows great promise for the purification of textile printing and dyeing wastewater. [Display omitted] • The Fe/Cu@CNTs enhances the separation performance and self-cleaning capability of membranes. • Lignin enhances membrane hydrophilicity, porosity, and disperses Fe/Cu@CNTs for improved electrocatalysis. • PVDF@L-CFC shows notable antifouling and self-cleaning capabilities, retaining 0.951 flux over 5 cycles. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Separation & Purification Technology is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1016/j.seppur.2026.136782
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 1
        StartPage: N.PAG
    Subjects:
      – SubjectFull: Wastewater treatment
        Type: general
      – SubjectFull: Membrane separation
        Type: general
      – SubjectFull: Liquid membranes
        Type: general
      – SubjectFull: Dispersing agents
        Type: general
      – SubjectFull: Composite membranes (Chemistry)
        Type: general
      – SubjectFull: Color removal (Sewage purification)
        Type: general
      – SubjectFull: Carbon nanotubes
        Type: general
    Titles:
      – TitleFull: Constructing electro-Fenton PVDF membrane with Fe/Cu doped CNTs using lignin as green dispersant for efficient dye removal efficiency and sustainable antifouling and self-cleaning performance.
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            NameFull: Zhao, Luwen
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            NameFull: Zhu, Boxuan
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            NameFull: Lv, Li
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            NameFull: Zhao, Gege
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            – D: 22
              M: 04
              Text: Apr2026
              Type: published
              Y: 2026
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              Value: 388
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