Progress and prospects of electrospun nanofibrous membranes for water filtration: A comprehensive review

Mobarak, Md Hosne; Siddiky, Abu Yousouf; Islam, Md. Aminul; Hossain, Amran; Rimon, Md Israfil Hossain; Oliullah, Md. Shah; Khan, Julhas; Rahman, Mustafizur; Hossain, Nayem; Chowdhury, Mohammad Asaduzzaman

doi:10.1016/j.desal.2023.117285

Cited by 11 publications

(3 citation statements)

References 326 publications

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“…4,12,13 In this regard, polymeric membrane separation technology is considered the most effective method for separating oily wastewater, due to its inexpensiveness, high separation efficiency, and convenience of use. 14,15 Several polymeric membranes, including polyvinylidene fluoride (PVDF), polyacrylonitrile (PAN), polyurethane (PUR), polysulfone (PSU), and polytetrafluoroethylene (PTFE), have been developed for this purpose. 14,16 Among these, PVDF-based nanofibrous membranes play a crucial role, providing a strong and stable foundation for the membrane's structure and performance.…”

Section: Introductionmentioning

confidence: 99%

“…14,15 Several polymeric membranes, including polyvinylidene fluoride (PVDF), polyacrylonitrile (PAN), polyurethane (PUR), polysulfone (PSU), and polytetrafluoroethylene (PTFE), have been developed for this purpose. 14,16 Among these, PVDF-based nanofibrous membranes play a crucial role, providing a strong and stable foundation for the membrane's structure and performance. 4,12,17 PVDF is chosen for its remarkable chemical resistance, mechanical strength, and thermal stability, making it an ideal material for membrane applications.…”

Section: Introductionmentioning

confidence: 99%

“…To address the environmental pollution caused by oily wastewater, various technologies have been developed. Traditional methods such as gravity separation, electro-flocculation, bioremediation, demulsification, air flotation, adsorption, coagulation and flocculation, coalescence, centrifugation, and oil skimming have been used. , However, these approaches have limitations such as low separation efficiency (SE ff ), high costs of operation and maintenance, and the production of secondary pollutants, especially when treating different immiscible oil/water emulsions. ,, In this regard, polymeric membrane separation technology is considered the most effective method for separating oily wastewater, due to its inexpensiveness, high separation efficiency, and convenience of use. , Several polymeric membranes, including polyvinylidene fluoride (PVDF), polyacrylonitrile (PAN), polyurethane (PUR), polysulfone (PSU), and polytetrafluoroethylene (PTFE), have been developed for this purpose. , Among these, PVDF-based nanofibrous membranes play a crucial role, providing a strong and stable foundation for the membrane’s structure and performance. ,, PVDF is chosen for its remarkable chemical resistance, mechanical strength, and thermal stability, making it an ideal material for membrane applications. , The fabrication of PVDF nanofibrous membranes typically involves electrospinning (e-spinning), a technique that uses high voltage to create nanoscale fibers from a polymer solution. , This technique offers numerous advantages in the fabrication of PVDF nanofibrous membranes. It facilitates the creation of ultrafine fibers with a large surface area and enables precise control over morphology and pore structure of the fibers, enabling customization of pore size, porosity, and interconnectivity. , Additionally, the uniform distribution of fibers enhances the membranes’ mechanical strength and stability, providing opportunities for further enhancements in performance through modifications. ,, Despite the advantages of polymeric nanofibrous membrane separation technology, traditional membranes with single wettability face significant challenges in effectively separating complex oil–water emulsions. , Most superwetting membranes with singular wettability are only effective to separate specific oil or water mixtures .…”

Section: Introductionmentioning

confidence: 99%

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Buoyancy-Assisted Fabrication of Liquid Diode: Janus Nanofibrous Membrane for Efficient Wastewater Treatment

Ahmed,

Sharma,

Purkayastha

2024

ACS Appl. Mater. Interfaces

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The pressing need for effective methods to separate oil and water in oily wastewater has spurred the development of innovative solutions. This work presents the creation and evaluation of a Janus nanofibrous membrane, also known as the Liquid Diode, developed using electrospinning (e-spinning) and buoyancyassisted hydrothermal techniques. The membrane features a unique structure: one side is composed of PVDF nanofibers embedded with a GO/TiO 2 composite, exhibiting in-air superhydrophobic and superoleophilic properties, while the reverse side consists of PVDF nanofibers with a ZnO nanorod array, demonstrating in-air superhydrophilic and underwater (UW) superoleophobic properties. This distinct asymmetric wettability enables the membrane to effectively separate both water-in-oil (w-in-o) and oil-in-water (o-in-w) emulsions, achieving an impressive liquid flux and separation efficiency (SE ff ). The in-air superhydrophobic side of the Janus nanofibrous membrane achieves a maximum oil flux (F o ) of 3506 ± 250 L m −2 h −1 , while the in-air superhydrophilic side achieves a maximum water flux (F w ) of 1837 ± 150 L m −2 h −1 , with SE ff exceeding 98% for both sides. Furthermore, the Janus nanofibrous membrane maintained reliable mechanical stability after 10 cycles of sandpaper abrasion test and demonstrated excellent chemical stability when subjected to acidic, alkaline, cold water and hot water conditions for 24 h. These properties, combined with its ability in breaking down of organic contaminants (98% ± 2% in 210 min) and pharmaceutical contaminants (97% ± 2% in 210 min) under visible light, highlight its photocatalytic potential. Additionally, the membrane's antifouling and antibacterial properties suggest long-term and sustainable use in wastewater treatment applications. The synergistic combination of these superior properties positions the Janus nanofibrous membrane as a promising solution for addressing complex challenges in wastewater treatment and environmental remediation.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Buoyancy-Assisted Fabrication of Liquid Diode: Janus Nanofibrous Membrane for Efficient Wastewater Treatment

Ahmed,

Sharma,

Purkayastha

2024

ACS Appl. Mater. Interfaces

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Electrospun nanofibers‐based thin film microextraction for enrichment of phthalate esters in biodegradable plastics

Su,

Wang,

et al. 2024

J of Separation Science

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In this work, a novel electrospun nanofiber (PAN/TpBD; 2,4,6‐triformylphloroglucinol [Tp] and benzidine [BD]; polyacrylonitrile [PAN]) was fabricated via a facile electrospinning method and utilized as adsorbent in thin film microextraction (TFME) of phthalate esters (PAEs) (dimethyl phthalate, diethyl phthalate, diallyl phthalate, dibutyl phthalate, and dioctyl phthalate) in biodegradable plastics. The prepared PAN/TpBD combines the strong stability of nanofibers with increased exposure sites for covalent organic frameworks and enhanced interactions with the target, thus improving the enrichment effect on the target. The extraction efficiency of PAN/TpBD reached above 80%. Based on PAN/TpBD, a TFME‐high‐performance liquid chromatography method was established, and the experimental parameters were optimized. Under the optimal extraction conditions, the PAEs of this method varied linearly in the range of 10–10 000 µg/L with low detection limits (0.69–2.72 µg/L). The intra‐day and inter‐day relative standard deviation values of the PAEs were less than 8.04% and 8.73%, respectively. The adsorbent can achieve more than 80% recovery of the five targets after six times reuse. The developed method was successfully applied for the determination of trace PAEs in biodegradable plastics with recoveries ranging from 80.1% to 113.4% and relative standard deviations were less than 9.45%. The as‐synthesized PAN/TpBD adsorbent exhibited great potential in PAE analysis.

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Electrospinning nanomaterials: a powerful strategy for wastewater treatment applications

Han,

Hou,

et al. 2024

Rev Environ Sci Biotechnol

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Progress and prospects of electrospun nanofibrous membranes for water filtration: A comprehensive review

Cited by 11 publications

References 326 publications

Buoyancy-Assisted Fabrication of Liquid Diode: Janus Nanofibrous Membrane for Efficient Wastewater Treatment

Buoyancy-Assisted Fabrication of Liquid Diode: Janus Nanofibrous Membrane for Efficient Wastewater Treatment

Electrospun nanofibers‐based thin film microextraction for enrichment of phthalate esters in biodegradable plastics

Electrospinning nanomaterials: a powerful strategy for wastewater treatment applications

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