Polyvinylidene Difluoride (PVDF) Hollow Fiber Membrane Incorporated with Antibacterial and Anti-Fouling by Zinc Oxide for Water and Wastewater Treatment

Kamaludin, Roziana; Majid, Lubna Abdul; Othman, Mohd Hafiz Dzarfan; Mansur, Sumarni; Kadir, Siti Hamimah Sheikh Abdul; Wong, Keng Yinn; Khongnakorn, Watsa; Puteh, Mohd Hafiz

doi:10.3390/membranes12020110

Cited by 24 publications

(10 citation statements)

References 43 publications

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“…The pure PVDF membrane presented a large number of small finger-like pores, which are consistent with previous researches (Karimi et al, 2020). The formation of such structure was attributed to the quick precipitation of PVDF at both the inner and the outer walls, which finally resulted in a finger-like structure (Kamaludin et al, 2022). After the addition of LiCl, the finger-like pores turned into sponge-like pores, and the thickness of the dense support layer at the bottom decreased.…”

Section: The Morphologies and Structuressupporting

confidence: 90%

PVDF/MOFs mixed matrix ultrafiltration membrane for efficient water treatment

Cheng

Li²,

Xiao³

et al. 2022

Front. Chem.

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Polyvinylidene fluoride (PVDF), with excellent mechanical strength, thermal stability and chemical corrosion resistance, has become an excellent material for separation membranes fabrication. However, the high hydrophobicity of PVDF membrane surface normally leads a decreased water permeability and serious membrane pollution, which ultimately result in low operational efficiency, short lifespan of membrane, high operation cost and other problems. Metal-organic frameworks (MOFs), have been widely applied for membrane modification due to its large specific surface area, large porosity and adjustable pore size. Currently, numerous MOFs have been synthesized and used to adjust the membrane separation properties. In this study, MIL-53(Al) were blended with PVDF casting solution to prepare ultrafiltration (UF) membrane through a phase separation technique. The optimal separation performance was achieved by varying the concentration of MIL-53(Al). The surface properties and microstructures of the as-prepared membranes with different MIL-53(Al) loading revealed that the incorporation of MIL-53(Al) enhanced the membrane hydrophilicity and increased the porosity and average pore size of the membrane. The optimal membrane decorated with 5 wt% MIL-53(Al) possessed a pure water permeability up to 43.60 L m−2 h−1 bar−1, while maintaining higher rejections towards BSA (82.09%). Meanwhile, the prepared MIL-53(Al)/LiCl@PVDF membranes exhibited an excellent antifouling performance.

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Section: The Morphologies and Structuressupporting

confidence: 90%

PVDF/MOFs mixed matrix ultrafiltration membrane for efficient water treatment

Cheng

Li²,

Xiao³

et al. 2022

Front. Chem.

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“…[69], Salmonella typhimurium [70], and Pseudomonas syringae [71]. Phenolic compounds are found in the fresh garlic bulb [27,28] and fermented garlic [72]. While fresh garlic bulbs and black garlic are mainly used for human consumption, garlic peel waste may be a phenolic source [73].…”

Section: Introductionmentioning

confidence: 99%

Low-Fouling Plate-and-Frame Ultrafiltration for Juice Clarification: Part 1—Membrane Preparation and Characterization

et al. 2023

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Membrane technology provides advantages for separating and purifying food materials, including juice clarification. Ultrafiltration processes for fruit juices aim to remove haze components and maintain the stabilization of the juices. However, the membrane process during the clarification of fruit juices suffers from fouling, which deteriorates the process performance and products. Biofouling usually is found in the applications of the membrane in food processing. In this study, phenolic substances extracted from garlic bulbs are incorporated into a matrix of polymeric membranes to prevent fouling during juice clarification. Hydrophilic cellulose acetate was used as the polymer matrix of the membrane, and dimethylformamide was used as the solvent. The phenolic substances from garlic bulbs were incorporated into polymer solutions with different concentrations of 0%, 1%, 1.25%, and 1.5% w/v. The composite membrane was prepared using the phase inversion method, and the resulting membranes were later characterized. The results show that incorporating those phenolic compounds as the dope solution additive resulted in membranes with higher hydrophilic properties. They also modeled antibacterial properties, as shown by the reduced attachment of Bacillus subtilis of up to 91.5 ± 11.7% and Escherichia coli of up to 94.0 ± 11.9%.

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“…[12] Membrane separation technology has the characteristics of high efficiency, energy saving, environmental protection, and molecular filtration, since filtration process is simple and easy to control. [13] Therefore, it has been widely used in food industry, [14] pharmaceutical industry, [15] petrochemical industry, [16] paper industry, [17] dyeing and finishing industry, [18] water treatment industry, [19] and other fields, [20][21][22] which has produced great economic and social benefits and becomes one of the most important methods in separation science.…”

Section: Introductionmentioning

confidence: 99%

Preparation of Poly(acrylic acid‐co‐acrylamide) Hydrogel‐Modified PVDF Membrane and Its Separation and Antibacterial Properties

Zhang

Kong³

et al. 2023

Macro Chemistry & Physics

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Commercial polyvinylidene fluoride (PVDF) microporous membranes are coated with P(AA‐co‐AM) hydrogel with different proportions of acrylic acid (AA) and acrylamide (AM). Thus, P(AA‐co‐AM)/PVDF membranes with good structure and excellent performance are prepared. The surface morphology and structure of P(AA‐co‐AM)/PVDF membranes are characterized by scanning electron microscopy (SEM) and Fourier transform infrared spectroscopy (FT‐IR). The water contact angle (WCA), underwater oil contact angle (UOCA), pure water flux, separation flux, and separation efficiency of P(AA‐co‐AM)/PVDF membranes are measured. The antibacterial properties of P(AA‐co‐AM)/PVDF membranes are tested, and the prepared membranes have good antibacterial activity against E. coli and S. aureus after chlorination. The prepared P(AA‐co‐AM)/PVDF membranes show good hydrophilicity and underwater oleophobicity, and improved separation performance of mud, oil–water emulsion, metal ions, and organic dyes.

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Polyvinylidene Difluoride (PVDF) Hollow Fiber Membrane Incorporated with Antibacterial and Anti-Fouling by Zinc Oxide for Water and Wastewater Treatment

Cited by 24 publications

References 43 publications

PVDF/MOFs mixed matrix ultrafiltration membrane for efficient water treatment

PVDF/MOFs mixed matrix ultrafiltration membrane for efficient water treatment

Low-Fouling Plate-and-Frame Ultrafiltration for Juice Clarification: Part 1—Membrane Preparation and Characterization

Preparation of Poly(acrylic acid‐co‐acrylamide) Hydrogel‐Modified PVDF Membrane and Its Separation and Antibacterial Properties

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