Assessment of anti-bacterial adhesion and anti-biofouling potential of plasma-mediated poly(sulfobetaine methacrylate) coatings of feed spacer

Jabłońska, Magdalena; Menzel, Matthias; Hirsch, Ulrike; Heilmann, Andreas

doi:10.1016/j.desal.2020.114664

Desalination

2020

DOI: 10.1016/j.desal.2020.114664

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Assessment of anti-bacterial adhesion and anti-biofouling potential of plasma-mediated poly(sulfobetaine methacrylate) coatings of feed spacer

Magdalena Jabłońska

Matthias Menzel

Ulrike Hirsch

et al.

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Cited by 9 publications

References 64 publications

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Hydrophilic modification of feed spacer and its impacts on antifouling performance of reverse osmosis membrane

Tan,

Foo,

Lau

et al. 2024

Asia-Pacific J Chem Eng

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Feed spacers improve mixing and mass transfer in membrane modules. However, they also lead to foulant deposition in the vicinity of the spacer surface. In this paper, two hydrophilic monomers, namely, acrylic acid (AA) and 2‐hydroxyethyl methacrylate (HEMA), are respectively coated on the surface of a commercial feed spacer via a plasma‐enhanced chemical vapor deposition (PECVD) method. The resulting modified spacers are then evaluated alongside with a reverse osmosis (RO) membrane for its solute rejection, water permeability, and antifouling properties. Results show that the surface hydrophilicity of feed spacers has been enhanced upon the AA and HEMA deposition. During filtration test, the HEMA‐modified spacer demonstrates higher flux recovery rate (94.17%) and salt rejection (95.78%) for the RO membrane. In contrast, the membrane with the unmodified spacer only shows 89.44% and 92.46%, respectively. Additionally, the membrane with the HEMA‐modified spacer has a thinner fouling layer (200 nm) compared to the unmodified spacer (700 nm). The HEMA‐coated spacer outperforms all the tested spacers, demonstrating that feed spacer modification with a hydrophilic monomer via the PECVD method can effectively reduce membrane fouling.

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Hydrophilic modification of feed spacer and its impacts on antifouling performance of reverse osmosis membrane

Tan,

Foo,

Lau

et al. 2024

Asia-Pacific J Chem Eng

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Preparation and properties of antibacterial styrene-acrylic emulsion containing thiazole structure and its application as coating

Zhou

Liu

Xiong³

et al. 2022

J Coat Technol Res

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The evolution of feed spacer role in membrane applications for desalination and water treatment: A critical review and future perspective

et al. 2023

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Assessment of anti-bacterial adhesion and anti-biofouling potential of plasma-mediated poly(sulfobetaine methacrylate) coatings of feed spacer

Cited by 9 publications

References 64 publications

Hydrophilic modification of feed spacer and its impacts on antifouling performance of reverse osmosis membrane

Hydrophilic modification of feed spacer and its impacts on antifouling performance of reverse osmosis membrane

Preparation and properties of antibacterial styrene-acrylic emulsion containing thiazole structure and its application as coating

The evolution of feed spacer role in membrane applications for desalination and water treatment: A critical review and future perspective

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