Modification of polyvinylidene fluoride membrane by silver nanoparticles-graphene oxide hybrid nanosheet for effective membrane biofouling mitigation

Yu, Yang; Yang, Yi; Yu, Ling; Koh, Kok Yuen; Chen, Jiaping

doi:10.1016/j.chemosphere.2020.129187

Cited by 42 publications

(14 citation statements)

References 59 publications

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“…Furthermore, the SGO-2 and SGO-3 membranes show a smooth surface with fewer particles spreading, meaning that the addition of SGO nanofiller did not crack membrane surface at this concentration. On further increase in concentration, particles start aggregating on membrane surface at intervals which reflect incomplete particles dispersion within polymeric material and low anti-biofouling behavior [31]. Figure 5a,b shows the morphological features of SGO with particles sizes determined.…”

Section: Resultsmentioning

confidence: 99%

Fabrication and Characterization of Sulfonated Graphene Oxide-Doped Polymeric Membranes with Improved Anti-Biofouling Behavior

et al. 2021

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In this study, cellulose acetate (CA) was blended with sulfonated graphene oxide (SGO) nanomaterials to endow a nanocomposite membrane for wastewater treatment with improved hydrophilicity and anti-biofouling behavior. The phase inversion method was employed for membrane fabrication using tetrahydrofuran (THF) as the solvent. The characteristics of CA-SGO-doped membranes were investigated through thermal analysis, contact angle, SEM, FTIR, and anti-biofouling property. Results indicated that anti-biofouling property and hydrophilicity of CA-SGO nanocomposite membranes were enhanced with addition of hydrophilic SGO nanomaterials in comparison to pristine CA membrane. FTIR analysis confirmed the successful decoration of SGO groups on CA membrane surface while revealing its morphological properties through SEM analysis. Thermal analysis performed using DSC confirmed the increase in thermal stability of CA-SGO membranes with addition of SGO content than pure CA membrane.

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Section: Resultsmentioning

confidence: 99%

Fabrication and Characterization of Sulfonated Graphene Oxide-Doped Polymeric Membranes with Improved Anti-Biofouling Behavior

et al. 2021

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“…The development and application of Ag-based nanocomposites is also a research trend since nanocomposites perform even better than pure Ag NPs. Researchers have proposed many Ag-based nanocomposites for membrane surface functionalization to improve membrane performances (Rusen et al, 2014;Ilyas et al, 2019;Yu et al, 2021). Gunawan et al (2011) coated Ag NPs on PEG-grafted multiwalled carbon nanotubes (MWNTs) to obtain Ag/MWNT nanocomposites.…”

Section: Silver and Silver-based Npsmentioning

confidence: 99%

“…During the compaction study, the number of attached live E. coli on membrane surface was decreased by > 94.7% after filtration test due to increased hydrophilicity and smoother membrane surface. More recently, PEG functionalized GO-Ag nanocomposites were developed and used to enhance the hydrophilicity, permeability, and antifouling resistance of PVDF membrane (Ilyas et al, 2019;Yu et al, 2021). Besides, the effects of inorganic Ag-based nanocomposites on antifouling and antibacterial behaviors of membranes were explored.…”

Section: Silver and Silver-based Npsmentioning

confidence: 99%

Perspectives on Surface Functionalization of Polymeric Membranes with Metal and Metal-Oxide Nanoparticles for Water/Wastewater Treatment

Chen¹,

Huang²,

Zhang³

2022

J ENVIRON INFORM LET

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Membrane filtration technology has been extensively applied in water/wastewater treatment to help address the issue of water shortage, in which polymeric membranes are most commonly used. However, the hydrophobic nature of polymeric membranes would contribute to membrane damage caused by accumulation of organic/inorganic fouling during filtration processes. The strategy of membrane surface functionalization with nanoparticles (NPs) has been investigated and utilized to effectively improve membrane performance. Herein, recent research efforts on surface functionalization of polymeric membranes with a variety of NPs for water/wastewater treatment were concisely reviewed, focusing on metal and metal-oxide NPs. Methods for the immobilization of NPs on membrane surface and their influences on membrane properties and performances were overviewed. Results and contributions achieved in the improvement of membrane performances through surface functionalization with NPs were summarized, and emphasis was given to membrane hydrophilicity, stability, as well as antifouling and antibacterial property. Furthermore, perspectives on the current challenges and future research needs in the development and application of surface functionalized polymeric membranes were discussed.

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“…In the presence of polymers capable of binding iodine (iodophores) to functional groups containing oxygen, complexes form by a donor-acceptor mechanism. In pivilinylpyrrolidone-iodine (PVP + iodine), iodophor is polyvinyl-2pyrrolidone (PVP) [11]. So, we expected that the modification of the PAN membranes with complex PVP-I3 would contribute to their hydrophilization, respectively, to reduce the tendency of the membranes to contamination and change their bactericidal characteristics.…”

Section: Obtaining Pan Membranes Modified By Pvp-i3 Complexmentioning

confidence: 99%

Preparation of Polyacrylonitrile Membranes With Antibacterial Properties

Vakuliuk

Furtat

Потворова

et al. 2021

WPT STN

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We describe the method of formation of polyacrylonitrile membranes with antibacterial properties by addition into the casting solution casting of antibacterial polymeric compounds: polyhexamethyleneguanidine chloride, oligourethanesemicarbazide with terminal cationic pyridinium chloride groups, and the polyvinylpyrrolidone-iodine complex. We investigated the effect of the addition of antibacterial compounds to the casting solution casting on the physicochemical, transport and antibacterial properties of the obtained membranes. We show that increasing the concentration of the bactericidal additives in the casting solution to 3% (wt.) leads to a change in the investigated physicochemical characteristics, water flux and membrane rejection, of polyethyleneglycol and low molecular weight electrolyte type 2-1 (CaCl2). We found that membranes prepared from the casting solution with 3% (wt.) of antimicrobial substances are characterized by high antibacterial activity.

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Modification of polyvinylidene fluoride membrane by silver nanoparticles-graphene oxide hybrid nanosheet for effective membrane biofouling mitigation

Cited by 42 publications

References 59 publications

Fabrication and Characterization of Sulfonated Graphene Oxide-Doped Polymeric Membranes with Improved Anti-Biofouling Behavior

Fabrication and Characterization of Sulfonated Graphene Oxide-Doped Polymeric Membranes with Improved Anti-Biofouling Behavior

Perspectives on Surface Functionalization of Polymeric Membranes with Metal and Metal-Oxide Nanoparticles for Water/Wastewater Treatment

Preparation of Polyacrylonitrile Membranes With Antibacterial Properties

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