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- Title
Ecosystem protection by effluent bioremediation: silver nanoparticles impregnation in a textile fabrics process.
- Authors
Nelson Durán; Priscyla Marcato; Oswaldo Alves; João Da Silva; Gabriel De Souza; Flávio Rodrigues; Elisa Esposito
- Abstract
Abstract This work studied a bioremediation process of silver nanoparticles with the bacterium Chromobacterium violaceum. These nanoparticles were obtained from several washes of cotton fabrics impregnated with silver nanoparticles produced by the fungus Fusarium oxysporum. The optimized growth of C. violaceum for silver nanoparticles bioremediation was obtained. The effluents of wash process of the cotton fabric were efficiently treated with C. violaceum. This treatment was based on biosorption which was very efficient for the elimination of silver nanoparticles remaining in the wash water. The bacteria after biosorption were morphologically transformed, but the normal morphology after a new culture was completely restored. The process also allowed the recovery of silver material that was leached into the effluent for a reutilization avoiding any effect to the eco-environment.
- Subjects
NANOPARTICLES; COLLOIDAL silver; BIOREMEDIATION; TEXTILES; BIOTIC communities; CHROMOBACTERIUM violaceum; ENVIRONMENTAL protection
- Publication
Journal of Nanoparticle Research, 2010, Vol 12, Issue 1, p285
- ISSN
1388-0764
- Publication type
Article
- DOI
10.1007/s11051-009-9606-1