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- Title
TiO 2 -Coated Meltblown Nonwoven Fabrics Prepared via Atomic Layer Deposition for the Inactivation of E. coli as a Model Photocatalytic Drinking Water Treatment System.
- Authors
Aragon, Alexander G.; Cárdenas Sánchez, Jaime A.; Zimeri, Carlos; Shim, Eunkyoung; Fang, Xiaomeng; Young, Kyana R. L.
- Abstract
The controlled manufacturing of semiconductor photocatalysts is crucial to their development for drinking water treatment. In this study, TiO2-coated meltblown nonwoven fabrics prepared via Atomic Layer Deposition (ALD) are applied for the inactivation of Escherichia coli (E. coli). It is observed that in the presence of an ultraviolet light-emitting diode (UV-LED) light source (255 nm), 1.35 log E. coli inactivation is achieved. However, exposure to catalyst-coated fabrics in addition to the light source resulted in >4 log E. coli inactivation, suggesting a much higher rate of hydroxyl radical formation on the surface, leading to cell death.
- Subjects
ATOMIC layer deposition; DRINKING water; WATER purification; NONWOVEN textiles; TITANIUM dioxide; SEMICONDUCTOR manufacturing
- Publication
Environments (2076-3298), 2024, Vol 11, Issue 5, p92
- ISSN
2076-3298
- Publication type
Article
- DOI
10.3390/environments11050092