Quantitative evaluation of fouling resistance of PVDF/PMMA-g-PEO polymer blend membranes for membrane bioreactor

Minehara, Hiroki; Dan, Kouichi; Ito, Yohito; Takabatake, Hiroo; Henmi, Masahiro

doi:10.1016/j.memsci.2014.04.039

Cited by 48 publications

(18 citation statements)

References 33 publications

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“…Hence, the most important requirements for membranes in separation applications are high permeability, high selectivity, and minimized fouling and concentration polarization. As regards to PVDF, various strategies have been put forwarded to modify the membrane surfaces [1], such as coating by hydrophilic polyvinyl alcohol [9] and chitosan [10], surface initiated graft polymerization [2,[11][12][13][14] and blending hydrophilic polymers with PVDF [15][16][17]. by incorporation of Fe 3 O 4 nanoparticles [20].…”

Section: Introductionmentioning

confidence: 99%

“…The PVDF part of the copolymers provides miscibility of the copolymers with PVDF which eliminates the problem of incompatibility. PVDF and a free-radically synthesized amphiphilic polymer having a methacrylate backbone and hydrophilic poly(ethylene oxide) side chains (PVDF/PMMA-g-PEO) exhibited substantially reduced flux decline during filtration of a protein solution relative to a neat PVDF membranes having similar pore structure [15,17]. Venault et al reported the preparation of PVDF/ polystyrene-b-poly(ethylene glycol)methacrylate (PS-b-PEGMA) bicontinuous membranes by vapour-induced phase inversion for the improvement of hemocompatibilty of the membranes [26].…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Stimuli responsive and low fouling ultrafiltration membranes from blends of polyvinylidene fluoride and designed library of amphiphilic poly(methyl methacrylate) containing copolymers

Bera

Kumar

Parui

et al. 2015

Journal of Membrane Science

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Stimuli responsive and low fouling ultrafiltration membranes from blends of polyvinylidene fluoride and designed library of amphiphilic poly(methyl methacrylate) containing copolymers

Bera

Kumar

Parui

et al. 2015

Journal of Membrane Science

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“…Lin et al 27 reported the formation of a nanoporous network in PVDF-HFP/PMMA (poly(vinylidene uoride co-hexapropene))/poly (methyl methacrylate) by the leaching mechanism. In another study, Minehara et al 28 reported the fabrication of PVDF and PVDF/PMMA-g-PEO membranes by the non-solvent induced phase separation (NIPS) method and studied the fouling resistance of the membranes. In a recent study, we have demonstrated a unique technique for designing membranes by selectively etching out one of the phases from binary blends.…”

Section: Introductionmentioning

confidence: 99%

Unique nanoporous antibacterial membranes derived through crystallization induced phase separation in PVDF/PMMA blends

2015

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In this study, a unique method was adopted to design porous membranes through crystallization induced phase separation in PVDF/PMMA (poly(vinylidene fluoride)/poly(methyl methacrylate)) blends. By etching out PMMA, which segregates either in the interlamellar and/or in the interspherulitic regions of the blends, nanoporous hierarchical structures can be derived. Different nanoparticles like titanium dioxide (TiO 2 ), silver nanoparticle (Ag) decorated carbon nanotubes (Ag-CNTs), TiO 2 decorated CNTs (TiO 2 -CNTs), Ag decorated TiO 2 (Ag-TiO 2 ) and Ag-TiO 2 decorated CNTs (Ag@TiO 2 -CNTs) were synthesized and melt mixed with 80/20 PVDF/PMMA blends to render antibacterial activity to the membranes.Scanning electron microscopy (SEM) was used to study the crystalline morphology of the membranes. A significant improvement in the trans-membrane flux was obtained in the blends with Ag@TiO 2 decorated CNTs as compared to the membranes derived from the neat blends, which can be attributed to the interconnected pores in these membranes. Both qualitative and quantitative studies of antifouling and antibacterial activity (using E. coli as a model bacterium) were performed using the standard plate count method. SEM micrographs clearly showed that the antifouling activity of the membranes was improved with addition of Ag@TiO 2 -CNTs. In the quantitative standard plate count method, the bacterial colony significantly decreased with the addition of Ag@TiO 2 -CNTs as against neat blends. This study opens a new avenue in the fabrication of polymer blend based membranes for water filtration.

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“…polymer blend membranes were evaluated for fouling resistance in an MBR application (Minehara et al, 2014).…”

Section: Mbr Configurationmentioning

confidence: 99%

Membrane Processes

Pellegrin

Sadler

Greiner

et al. 2015

Water Environment Research

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This review, for literature published in 2014, contains information related to membrane processes for municipal and industrial applications. This review is a subsection of the Treatment Systems section of the annual Water Environment Federation literature review and covers the following topics: pretreatment, membrane bioreactor (MBR) configuration, design, nutrient removal, operation, industrial treatment, fixed film and anaerobic membrane systems, reuse, microconstituents removal, membrane technology advances, membrane fouling, and modeling. Other sub-sections of the Treatment Systems section that might relate to this literature review include: Biological Fixed-Film Systems, Activated Sludge and Other Aerobic Suspended Culture Processes, Anaerobic Processes, Water Reclamation and Reuse. The following sections might also have related information on membrane processes: Industrial Wastes, Hazardous Wastes, and Fate and Effects of Pollutants.

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Quantitative evaluation of fouling resistance of PVDF/PMMA-g-PEO polymer blend membranes for membrane bioreactor

Cited by 48 publications

References 33 publications

Stimuli responsive and low fouling ultrafiltration membranes from blends of polyvinylidene fluoride and designed library of amphiphilic poly(methyl methacrylate) containing copolymers

Stimuli responsive and low fouling ultrafiltration membranes from blends of polyvinylidene fluoride and designed library of amphiphilic poly(methyl methacrylate) containing copolymers

Unique nanoporous antibacterial membranes derived through crystallization induced phase separation in PVDF/PMMA blends

Membrane Processes

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