Development of Filter Media by Electrospinning for Air Filtration of Nanoparticles from PET Bottles
Open accessAbstract
Air pollution and solid pollution are considered global problems, and endanger human health mainly due to the emission of fine particulate matter released into the atmosphere and improper disposal of post-consumer plastic bottles. Therefore, it is urgent to develop filter media to effectively protect the public. The properties of plastics make them potential candidates for nanofiber mat formers due to their attractive structural and mechanical characteristics. This work aims to produce and evaluate novel PET electrospun fibers dispensed with the use of support materials to be used as filter media to remove nanoparticles from the air. The electrospinning process was carried out by changing the concentration of the polymer solution, the needle diameter, and the electrospinning processing time at two rotation speeds. The average diameters of the micro- and nanofibers of the filter media produced ranged from 3.25 μm to 0.65 μm and it was possible to conclude that, as the size of the fibers decreased, the mechanical strength increased from 3.2 to 4.5 MPa. In filtration tests, a collection efficiency of up to 99% with low-pressure drops (19.4 Pa) was obtained for nanoparticles, demonstrating high quality factor filter media, which could be applicable in gas filtration.
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With increase of the proportion of waste polymer, the fiber diameter of electrospinning increases.
“With the increase of the proportion of waste polymer, the fiber diameter of electrospinning will also increase (Bonfim et al. 2021).”
From Conversion of waste plastics into value-added carbon materials (2023) · cites this paper as Bonfim et al. 2021
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- Authors
- Bonfim, D. P. F., Cruz, F. G. S., Guerra, V. G., & Aguiar, M. L.
- Affiliations
- Universidade Federal de São Carlos (BR)
- Corresponding author
- Aguiar, Mônica L.
- Venue
- Membranes
- Publisher
- MDPI AG
- Published
- 2021-04-19
- Volume
- 11
- Issue
- 4
- Pages
- 293
- ISSN
- 2077-0375 (ISSN-L)
- PMC
- PMC8073527
- OpenAlex
- W3156259167
- Cited by
- 60
- References
- 49
- Citations by year
- 2026: 9 · 2025: 13 · 2024: 15 · 2023: 9 · 2022: 12 · 2021: 2
- FWCI
- 2.79
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Licence
- Locations
- Membranes (publishedVersion, cc-by)
- PubMed Central (publishedVersion, cc-by)
- PubMed (publishedVersion)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
- Funders
- Coordenação de Aperfeiçoamento de Pessoal de Nível Superior – Brasil (CAPES) (001)
- São Paulo Research Foundation (FAPESP) (2016/20500-6)
- Topics
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Aerosol Filtration and Electrostatic Precipitation
- Physical Sciences › Materials Science › Biomaterials › Electrospun Nanofibers in Biomedical Applications
- Physical Sciences › Environmental Science › Water Science and Technology › Membrane Separation Technologies
- Keywords
- electrospinning, polyethylene terephthalate, nanofibers, filter media, air filtration, nanoparticle removal, fiber diameter, mechanical strength, collection efficiency, pressure drop, gas filtration
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