Journal
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
Volume 11, Issue 5, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.jece.2023.110561
Keywords
Electrospinning; Filtration performance; Nano-spiderwebs
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In order to tackle environmental pollution and emerging infectious diseases, it is crucial to develop highly efficient filters that can simultaneously remove air pollutants and pathogenic microorganisms. Traditional fibrous filter materials are not effective in capturing fine particles due to their wide fibers and large pores. This study utilized electrospinning to combine nano-spiderwebs with an ordered nanofiber membrane, creating an air-filtration material with a multi-stage pore structure that efficiently filters to deliver breathable air. The prepared composite nanofiber membrane demonstrated a filtration efficiency of over 98% for particulate matter smaller than 0.3 μm with a pressure drop of less than 100 Pa. The combination of nano-spiderweb/ordered structure effectively enhanced the filtration efficiency for fine particles. Additionally, the composite nanofiber membrane exhibited excellent bacterial filtration efficiency (>95%), showcasing its significant potential for air-filtration applications.
To address environmental pollution and emerging infectious diseases, highly efficient filters capable of simultaneously removing air pollutants and pathogenic microorganisms must be developed. Traditional fibrous filter materials are incapable of effectively capturing fine particles owing to their wide fibres and large pores. In this study, we used electrospinning to combine nano-spiderwebs with an ordered nanofibre membrane and construct an air-filtration material with a multi-stage pore structure that filters efficiently to deliver breathable air. The prepared composite nanofibre membrane exhibited a filtration efficiency of > 98% for particulate matter < 0.3 & mu;m in size with a pressure drop of < 100 Pa. The nano-spiderweb/ordered structure combination effectively improved the fine-particle filtration efficiency. In addition, the composite nanofibre membrane exhibited excellent bacterial filtration efficiency (>95%), highlighting its considerable potential for use in air-filtration applications.
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