Effect of iron oxide nanoparticles on the performance of polyamide membrane for ground water purification

Al-Hobaib, A. S.; Al-Sheetan, Kh. M.; Mır, L. El

doi:10.1016/j.mssp.2015.08.004

Cited by 32 publications

(19 citation statements)

References 30 publications

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“…with the addition of Fe O up to a final concentration of 1 wt. % due to the hydrophilic nature of the Fe 2 O 3 nanoparticles [52], and this indicates that the hydrophilicity of the PVC membrane improved substantially by the addition of Fe 2 O 3 . The reduction in contact angles was insignificant at lower Fe 2 O 3 loadings and increased gradually as higher loadings were added into the casting solution.…”

Section: Contact Angle Measurementmentioning

confidence: 98%

Fe2O3 nanocomposite PVC membrane with enhanced properties and separation performance

Demirel

Zhang

Papakyriakou

et al. 2017

Journal of Membrane Science

107

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Organic and inorganic mixed matrix membranes are one of the most promising new membrane materials for ultrafiltration (UF) separation applications. In this study, PVC/Fe 2 O 3-mixed UF membranes were fabricated at different nano-Fe 2 O 3 loading levels (0-2 wt. %) using the phase inversion method. Surface chemical compositions, surface and cross-section morphologies and characteristics, hydrophilicity and mechanical strength of the membranes were characterized using several analytical techniques and instruments such as scanning electron microscopy (SEM), atomic force microscopy (AFM), a contact angle goniometer, dynamic mechanical analyzer (DMA) and a nanoindenter. Membrane performance was also tested in terms of water flux, solute rejection, and anti-fouling characteristics. The experimental results demonstrated that the overall membrane structure was remarkably enhanced with the addition of Fe 2 O 3 nanoparticles up to a loading of 1%. This was due to the membrane's more hydrophilic and smoother surface and a more elongated finger-like structure as well as higher porosity and pore size. The nanoindentation experiments indicated that Fe 2 O 3 incorporation greatly enhanced the hardness of the membranes providing a higher pore integrity degree. However, higher Fe 2 O 3 content caused a nanoparticle aggregation resulting in a decline in the performance of the composite membranes. Compared with the pristine PVC membrane, the membrane containing 1% Fe 2 O 3 exhibited better capabilities such as the enhanced water flux (782 L/m 2 h), higher

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Section: Contact Angle Measurementmentioning

confidence: 98%

Fe2O3 nanocomposite PVC membrane with enhanced properties and separation performance

Demirel

Zhang

Papakyriakou

et al. 2017

Journal of Membrane Science

107

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“…Nanocrystalline iron oxides could be a potential nanomaterial in the field of solar energy conversion, electrochromic, optical and magnetic materials . Due to its magnetic properties, it has attracted interest for several applications such as drug delivery, cancer hyperthermia and magnetic resonance imaging enhancement and water treatment . It has also been used in gas sensors detecting ethanol, methane, and isobutane gases .…”

Section: Polyamide Nanocompositesmentioning

confidence: 99%

“…It has also been used in gas sensors detecting ethanol, methane, and isobutane gases . However, there is still an effort to found an easy route to synthesize these magnetic nanoparticles with a small size and high crystallinity allowing their use in technological applications .…”

Section: Polyamide Nanocompositesmentioning

confidence: 99%

Advances in polyamide nanocomposites: A review

2018

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The present review highlights the effect of different types of nanoparticles/nanotubes/nanolayers in polyamide nanocomposite properties. Polyamides belong to an important class of engineering polymers due to their interesting properties, such as temperature stability, good chemical resistance, relatively high tensile strength and stiffness. The availability of different types of nanoparticles and its functionalization, besides the improved knowledge on the integration with the polyamide matrix, has opened possibilities for developing new fields of applications and products. POLYM. COM-POS., 00:000-000, FIG. 12. TEM images of PA6/prisitine multi-walled carbon nanotubes (MWNT) (a) and PA6/amide like-3 MWNT nanocomposites (5 phr) by melt-compounding. Reprinted from [40], Copyright (2014), with permission from Elsevier.

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“…The successful application of these nanocomposite membranes depends on the organic and inorganic components, as well as the chemical interaction between them. Previously various types of INPs such as MgO, TiO 2 , Fe 2 O 3 , and Fe 3 O 4 have been incorporated in the development of nanocomposite membranes [5][6][7][8][9][10][11][12][13][14][15][16][17][18][19][20][21][22][23].…”

Section: Introductionmentioning

confidence: 99%

Block copolymer based novel magnetic mixed matrix membranes-magnetic modulation of water permeation by irreversible structural changes

Upadhyaya

Semsarilar

Quémener

et al. 2018

Journal of Membrane Science

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This contribution focuses on understanding the effect of magnetic field intensity on the performance of novel hydrophilic and hydrophobic mixed matrix membranes (MMMs). The hydrophilic MMMs were made up of polymeric nanoparticles (PNPs) that were synthesized through polymerization-induced selfassembly (PISA) and iron oxide nanoparticles prepared in presence of poly (methacrylic acid)-bpolyquaternized (2-dimethylamino)ethyl methacrylate. The hydrophobic MMMs were prepared by the addition of iron oxide nanoparticles with different surface properties to a linear poly (methacrylic acid)-bpoly (methylmethacrylate) diblock copolymer dissolved in tetrahydrofuran (THF). Three different types of hydrophilic membranes were prepared with polymeric nanoparticles of different morphologies (spherical, vermicular and vesicular). In case of the hydrophobic membranes, six different membranes containing different iron oxide core coated with different stabilizers such as poly (methacrylic acid), quaternized poly(2-dimethylamino)ethyl methacrylate and meso-2,3-dimercaptosuccinic acid were prepared. An external magnetic field with intensity values up to 1.15 T was used for the permeation studies and the results were compared with those obtained in the absence of magnetic field. The collected data indicate an increase in the water flux of up to 16% and 29% under the magnetic field for hydrophobic and hydrophilic membranes, respectively. The STEM analyses suggest that the magnetic nanoparticles move within the membrane structure during the application of the magnetic field. This displacement/rearrangement causes constant changes in the membrane structure (structure of the active layer) and consequently on the membrane permeability. These results suggest that the application of the magnetic field could be used as a pretreatment step to obtain high flux membranes.

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Effect of iron oxide nanoparticles on the performance of polyamide membrane for ground water purification

Cited by 32 publications

References 30 publications

Fe2O3 nanocomposite PVC membrane with enhanced properties and separation performance

Fe2O3 nanocomposite PVC membrane with enhanced properties and separation performance

Advances in polyamide nanocomposites: A review

Block copolymer based novel magnetic mixed matrix membranes-magnetic modulation of water permeation by irreversible structural changes

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