Removal of bacterial pathogen from wastewater using Al filter with Ag-containing nanocomposite film by in situ dispersion involving polyol process
- Authors
- Seo, Young Ik; Hong, Ki Ho; Kim, Se Hoon; Chang, Duk; Lee, Kyu Hwan; Kim, Young Do
- Issue Date
- Aug-2012
- Publisher
- ELSEVIER
- Keywords
- In situ three-dimensional deposition; Silver nanoparticles; Mesoporous surface; Alkali surface modification; Al(OH)(3); Antimicrobial filtration
- Citation
- JOURNAL OF HAZARDOUS MATERIALS, v.227, pp.469 - 473
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF HAZARDOUS MATERIALS
- Volume
- 227
- Start Page
- 469
- End Page
- 473
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/165016
- DOI
- 10.1016/j.jhazmat.2012.05.026
- ISSN
- 0304-3894
- Abstract
- In this study, a filter with deposited Ag/Al(OH)(3) mesoporous nanocomposite film was fabricated to remove bacterial pathogens from wastewater. Mesoporous Al(OH)(3) film was generated on the Al foam body by alkali surface modification, followed by immersion in a polyol solution for 4 h at an elevated temperature in order to deposit silver nanoparticles (Ag NPs). The Al(OH)(3) porous matrix showed a significant increase in specific surface area due to the large size of the voids between flakes, which reached several tens of nanometers. After in situ three-dimensional deposition of Ag NPs by a polyol process, the Ag NPs were nucleated and grown at the surface of the mesoporous Al(OH)(3) film. The filter with Ag/Al(OH)(3) mesoporous nanocomposite film showed a good bacterial pathogen removal rate within a very short contact time compared to the untreated Al foam filter. Filters with deposited Ag/Al(OH)(3) mesoporous nanocomposite film have great potential for application as antimicrobial filters for tap water purification, wastewater treatment, and other bio-related applications.
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