Recent trends in water purification using electrospun nanofibrous membranes

Uddin, Zia; Ahmad, Faheem; Ullan, T.; Nawab, Yasir; Ahmad, Sheraz; Azam, Farooq; Rasheed, Abher; Zafar, Muhammad Sohail

doi:10.1007/s13762-021-03603-9

Cited by 38 publications

(19 citation statements)

References 97 publications

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“…Physically, the surface area and pore volume of nanofibers are key parameters determining the fiber adsorption capacity and, therefore, water treatment performance. This mechanism was confirmed by many researchers, such as Agrawal et al [102] and Uddin et al [103]. Many recent reviews were published on the removing of hazardous pollutants (i.e., both organic and inorganic materials) from water/wastewater using nanofibers such as Chen et al [104], Cui et al [35], Ibrahim et al [105], Jahan and Zhang [106], Marinho et al [107], Sakib et al [80], Sjahro et al [108], and El-Aswar et al [109].…”

Section: Nanofibers For Water/wastewater Treatmentsupporting

confidence: 66%

Sustainable Applications of Nanofibers in Agriculture and Water Treatment: A Review

et al. 2022

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Natural fibers are an important source for producing polymers, which are highly applicable in their nanoform and could be used in very broad fields such as filtration for water/wastewater treatment, biomedicine, food packaging, harvesting, and storage of energy due to their high specific surface area. These natural nanofibers could be mainly produced through plants, animals, and minerals, as well as produced from agricultural wastes. For strengthening these natural fibers, they may reinforce with some substances such as nanomaterials. Natural or biofiber-reinforced bio-composites and nano–bio-composites are considered better than conventional composites. The sustainable application of nanofibers in agricultural sectors is a promising approach and may involve plant protection and its growth through encapsulating many bio-active molecules or agrochemicals (i.e., pesticides, phytohormones, and fertilizers) for smart delivery at the targeted sites. The food industry and processing also are very important applicable fields of nanofibers, particularly food packaging, which may include using nanofibers for active–intelligent food packaging, and food freshness indicators. The removal of pollutants from soil, water, and air is an urgent field for nanofibers due to their high efficiency. Many new approaches or applicable agro-fields for nanofibers are expected in the future, such as using nanofibers as the indicators for CO and NH3. The role of nanofibers in the global fighting against COVID-19 may represent a crucial solution, particularly in producing face masks.

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Section: Nanofibers For Water/wastewater Treatmentsupporting

confidence: 66%

Sustainable Applications of Nanofibers in Agriculture and Water Treatment: A Review

et al. 2022

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“…Electrospun membranes are a versatile module for wastewater purification and can easily be fine‐tuned for specialized filtration applications, such as affinity separation. [ 36 ] Since the paint dispersions possess a negative zeta potential, they can be attracted by a positively charged affinity membrane. The positive charges on the membrane surfaces are provided by a copolymer containing 50 mol% quaternary amine groups as possible adsorption sites for particles.…”

Section: Resultsmentioning

confidence: 99%

Filtration of Paint‐Contaminated Water by Electrospun Membranes

Müller

Greiner

2022

Macro Materials & Eng

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Micro-and nanosized plastics as persistent anthropogenic pollutants have attracted more and more attention in recent years. A source of nanoparticles is, for example, water-borne dispersion paint, which consists of a variety of different materials with potential adverse effects on living systems. Therefore, a rising challenge becomes apparent to investigate remediation strategies for environmental media. This problem is addressed by utilizing electrospun membranes for filtration applications because of their outstanding properties, such as their high surface-to-volume ratio and ease of functionalization. The electrospun membranes are able to successfully filter different paint components, such as titanium dioxide and polyacrylate nanoparticles, as well as dispersed polymers and calcium carbonate microparticles. Besides the known size-exclusion mechanism, the membranes featured extraordinary properties, such as effective separation of components smaller than the pore size of the electrospun membranes. This property occurs due to the fiber surface functionalization and enables not only filtration of nanosized or dissolved mater at high filtration efficiencies up to 100% but also at a very low operating pressure. This combination of filter material properties cannot be achieved by conventional nanofiltration membranes and thus, demonstrates the high potential of electrospun membranes for the application in filtration for future environmental pollutants.

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“…52,53 Furthermore, stabilization of nanoparticles is known to occur due to capping agents (protein species) released by the cell wall. Uddin et al 54 reported extracellular biosynthesis of ZrO 2 nanoparticles by using potassium hexauorozirconate (K 2 ZrF 6 ) as a precursor and the fungus Humicola sp. The characterization results revealed the presence of protein on the surface of quasi-spherical NPs.…”

Section: Reviewmentioning

confidence: 99%