Preparation and characterization of PVDF–SiO2 composite hollow fiber UF membrane by sol–gel method

Yu, Liyun; Xu, Zheng; Shen, Hongmei; Yang, Hu

doi:10.1016/j.memsci.2009.03.054

Cited by 510 publications

(176 citation statements)

References 41 publications

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“…Filter-incorporation method is widely used in industrial applications due to its low cost and easier to use. On comparison of metal cations properties they observed that Al 3+ and Mg 2+ based GO membranes possessed more properties as compared to Cu 2+ and Cr 3+ based GO membranes [198][199][200][201][202][203][204][205].…”

Section: Role Of Graphene Oxide In Polymer Nano-composite Membranesmentioning

confidence: 99%

A Comprehensive Review on Polymeric Nano-Composite Membranes for Water Treatment

Zahid¹,

Rashid²,

Akram³

et al. 2018

J Membr Sci Technol

184

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During last few decades, membrane technology has emerged as an efficient technique over conventional methods due to its high removal capacity, ease in operation and cost effectiveness for wastewater treatment and production of clean water. Membrane based separations are commonly based on polymeric membranes because of their higher flexibility, easily pore forming mechanism, low cost and smaller space for installation as compared to inorganic membranes. Commonly employed membrane fabrication phase inversion method has been shortly reviewed in this article. Major limitation of membrane based separations is fouling and polymeric membranes being hydrophobic in nature are more prone to fouling. Fouling is a deposition of various colloidal particles, macromolecules (polysaccharides, proteins), salts etc. on membrane surface and within pores thus impedes membrane performance, reduces flux and results in high cost. Modification of polymeric membranes due to its tailoring ability with nanomaterials such as metal based and carbon based results in polymeric nano-composite membranes with high antifouling characteristics. Nanomaterials impart high selectivity, permeability, hydrophilicity, thermal stability, mechanical strength, and antibacterial properties to polymeric membranes via blending, coating etc. modification methods. Characterization techniques has also discussed in later section for studying morphological properties and performance of polymer nano-composite membranes. Graphical Abstract

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Section: Role Of Graphene Oxide In Polymer Nano-composite Membranesmentioning

confidence: 99%

A Comprehensive Review on Polymeric Nano-Composite Membranes for Water Treatment

Zahid¹,

Rashid²,

Akram³

et al. 2018

J Membr Sci Technol

184

View full text Add to dashboard Cite

show abstract

“…Compared to having just a positively or negatively charged membrane surface, the addition of a zwitterionic charged material, one composed of neutral molecules that have a positive and a negative electrical charge, has been shown to confer better anti-fouling properties [173]. Inorganic nanoparticles (such as SiO 2 [174,175], Al 2 O 3 [176,177], clay [178,179], ZrO 2 [180][181][182], TiO 2 [183,184], and ZnO [185,186]) also have been used to improve polymeric composite membranes, conferring improvements in the mechanical properties, thermal stability, hydrophilicity, permeation, and antifouling performance of membranes [165].…”

Section: Membrane Materials and Surface Morphologymentioning

confidence: 99%

The Performance and Fouling Control of Submerged Hollow Fiber (HF) Systems: A Review

et al. 2017

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Abstract:The submerged membrane filtration concept is well-established for low-pressure microfiltration (MF) and ultrafiltration (UF) applications in the water industry, and has become a mainstream technology for surface-water treatment, pretreatment prior to reverse osmosis (RO), and membrane bioreactors (MBRs). Compared to submerged flat sheet (FS) membranes, submerged hollow fiber (HF) membranes are more common due to their advantages of higher packing density, the ability to induce movement by mechanisms such as bubbling, and the feasibility of backwashing. In view of the importance of submerged HF processes, this review aims to provide a comprehensive landscape of the current state-of-the-art systems, to serve as a guide for further improvements in submerged HF membranes and their applications. The topics covered include recent developments in submerged hollow fiber membrane systems, the challenges and developments in fouling-control methods, and treatment protocols for membrane permeability recovery. The highlighted research opportunities include optimizing the various means to manipulate the hydrodynamics for fouling mitigation, developing online monitoring devices, and extending the submerged HF concept beyond filtration.

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“…Addition of selected hydrophilic particles in the membrane matrix increases the polymer hydrophilicity and enhances the water permeability while mitigating the membrane fouling [9,10]. Many types of nanomaterials have been tested as membrane fillers for this purpose in the last years, including titania (TiO 2 ) [9,10], zirconia (ZrO 2 ) [11], silica (SiO 2 ) [12], zinc oxide (ZnO) [13], alumina (Al 2 O 3 ) [14], silver (Ag) [15] and carbon nanotubes [16].…”

Section: G R a P H I C A L Abstract Abstract A R T I C mentioning

confidence: 99%

Enhanced ultrafiltration PES membranes doped with mesostructured functionalized silica particles

et al. 2015

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Preparation and characterization of PVDF–SiO2 composite hollow fiber UF membrane by sol–gel method

Cited by 510 publications

References 41 publications

A Comprehensive Review on Polymeric Nano-Composite Membranes for Water Treatment

A Comprehensive Review on Polymeric Nano-Composite Membranes for Water Treatment

The Performance and Fouling Control of Submerged Hollow Fiber (HF) Systems: A Review

Enhanced ultrafiltration PES membranes doped with mesostructured functionalized silica particles

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