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Exfoliated LDH nanosheets for membrane-based wastewater treatment: surface engineering and performance.

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Title: Exfoliated LDH nanosheets for membrane-based wastewater treatment: surface engineering and performance.
Authors: Nor Azman, Muhammad 'Adli1 (AUTHOR), Goh, Pei Sean1 (AUTHOR) peisean@petroleum.utm.my, Lin, Yi1,2 (AUTHOR) linyi@lsu.edu.cn, Ismail, Ahmad Fauzi1 (AUTHOR), Jamaluddin, Khairulnadzmi1 (AUTHOR), Ismail, Norafiqah1,3 (AUTHOR), Suzaimi, Nur Diyana1,4 (AUTHOR), Mohamad Fahmi, Adam Haziq5 (AUTHOR)
Source: Journal of Industrial & Engineering Chemistry. Mar2026, Vol. 155, p89-109. 21p.
Subjects: Exfoliation (Materials science), Layered double hydroxides, Surfaces (Technology), Polymeric membranes, Aqueous polymeric coatings, Water purification, Membrane filtration in water purification, Composite membranes (Chemistry)
Abstract: [Display omitted] Exfoliated layered double hydroxide (LDH) nanosheets are increasingly recognized as surface-active nanomaterials capable of enhancing membrane-based wastewater treatment. Owing to their large surface area, tunable surface charge, and strong interfacial affinity, LDH-integrated membranes exhibit improved ion permeability, selectivity, and greater resistance to fouling. This review examines nanoscale exfoliation and the characteristics of LDH surfaces on membrane interactions and performance are examined in thin-film nanocomposites (TFNs), mixed matrix membranes (MMMs) and supported LDH membranes. Exfoliation techniques—chemical, mechanical, thermal and electrochemical—are compared concerning their effects on nanosheet morphology, dispersion stability, and surface charge. Particular attention is given to radiation-assisted exfoliation, which offers a scalable, environmentally benign route for producing well-dispersed LDH suspensions. Furthermore, interfacial strategies such as polymeric coatings and layer-by-layer (LbL) assembly are discussed for their role in minimizing nanosheet aggregation and improving compatibility with polymers. The review also addresses current challenges, including nanosheet stability and the seamless integration into membrane fabrication processes. Emerging pathways that connect laboratory-scale findings with industrial implementation are discussed. From a materials engineering and sustainability perspective, exfoliated LDH nanosheets are presented as promising nanomaterials for developing next-generation membranes targeted at efficient water purification and environmental protection. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Industrial & Engineering Chemistry 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: 191448276
AccessLevel: 6
PubType: Periodical
PubTypeId: serialPeriodical
PreciseRelevancyScore: 0
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  Data: Exfoliated LDH nanosheets for membrane-based wastewater treatment: surface engineering and performance.
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  Data: <searchLink fieldCode="AR" term="%22Nor+Azman%2C+Muhammad+'Adli%22">Nor Azman, Muhammad 'Adli</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Goh%2C+Pei+Sean%22">Goh, Pei Sean</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> peisean@petroleum.utm.my</i><br /><searchLink fieldCode="AR" term="%22Lin%2C+Yi%22">Lin, Yi</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> linyi@lsu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Ismail%2C+Ahmad+Fauzi%22">Ismail, Ahmad Fauzi</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Jamaluddin%2C+Khairulnadzmi%22">Jamaluddin, Khairulnadzmi</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ismail%2C+Norafiqah%22">Ismail, Norafiqah</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Suzaimi%2C+Nur+Diyana%22">Suzaimi, Nur Diyana</searchLink><relatesTo>1,4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Mohamad+Fahmi%2C+Adam+Haziq%22">Mohamad Fahmi, Adam Haziq</searchLink><relatesTo>5</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Industrial+%26+Engineering+Chemistry%22">Journal of Industrial & Engineering Chemistry</searchLink>. Mar2026, Vol. 155, p89-109. 21p.
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  Data: <searchLink fieldCode="DE" term="%22Exfoliation+%28Materials+science%29%22">Exfoliation (Materials science)</searchLink><br /><searchLink fieldCode="DE" term="%22Layered+double+hydroxides%22">Layered double hydroxides</searchLink><br /><searchLink fieldCode="DE" term="%22Surfaces+%28Technology%29%22">Surfaces (Technology)</searchLink><br /><searchLink fieldCode="DE" term="%22Polymeric+membranes%22">Polymeric membranes</searchLink><br /><searchLink fieldCode="DE" term="%22Aqueous+polymeric+coatings%22">Aqueous polymeric coatings</searchLink><br /><searchLink fieldCode="DE" term="%22Water+purification%22">Water purification</searchLink><br /><searchLink fieldCode="DE" term="%22Membrane+filtration+in+water+purification%22">Membrane filtration in water purification</searchLink><br /><searchLink fieldCode="DE" term="%22Composite+membranes+%28Chemistry%29%22">Composite membranes (Chemistry)</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: [Display omitted] Exfoliated layered double hydroxide (LDH) nanosheets are increasingly recognized as surface-active nanomaterials capable of enhancing membrane-based wastewater treatment. Owing to their large surface area, tunable surface charge, and strong interfacial affinity, LDH-integrated membranes exhibit improved ion permeability, selectivity, and greater resistance to fouling. This review examines nanoscale exfoliation and the characteristics of LDH surfaces on membrane interactions and performance are examined in thin-film nanocomposites (TFNs), mixed matrix membranes (MMMs) and supported LDH membranes. Exfoliation techniques—chemical, mechanical, thermal and electrochemical—are compared concerning their effects on nanosheet morphology, dispersion stability, and surface charge. Particular attention is given to radiation-assisted exfoliation, which offers a scalable, environmentally benign route for producing well-dispersed LDH suspensions. Furthermore, interfacial strategies such as polymeric coatings and layer-by-layer (LbL) assembly are discussed for their role in minimizing nanosheet aggregation and improving compatibility with polymers. The review also addresses current challenges, including nanosheet stability and the seamless integration into membrane fabrication processes. Emerging pathways that connect laboratory-scale findings with industrial implementation are discussed. From a materials engineering and sustainability perspective, exfoliated LDH nanosheets are presented as promising nanomaterials for developing next-generation membranes targeted at efficient water purification and environmental protection. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Industrial & Engineering Chemistry 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:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1016/j.jiec.2025.07.057
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 21
        StartPage: 89
    Subjects:
      – SubjectFull: Exfoliation (Materials science)
        Type: general
      – SubjectFull: Layered double hydroxides
        Type: general
      – SubjectFull: Surfaces (Technology)
        Type: general
      – SubjectFull: Polymeric membranes
        Type: general
      – SubjectFull: Aqueous polymeric coatings
        Type: general
      – SubjectFull: Water purification
        Type: general
      – SubjectFull: Membrane filtration in water purification
        Type: general
      – SubjectFull: Composite membranes (Chemistry)
        Type: general
    Titles:
      – TitleFull: Exfoliated LDH nanosheets for membrane-based wastewater treatment: surface engineering and performance.
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            NameFull: Nor Azman, Muhammad 'Adli
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            NameFull: Goh, Pei Sean
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            NameFull: Lin, Yi
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            NameFull: Ismail, Ahmad Fauzi
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            NameFull: Jamaluddin, Khairulnadzmi
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            NameFull: Ismail, Norafiqah
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            NameFull: Suzaimi, Nur Diyana
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            NameFull: Mohamad Fahmi, Adam Haziq
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            – D: 25
              M: 03
              Text: Mar2026
              Type: published
              Y: 2026
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