Characterization of Immobilized Magnetic Fe₃O₄ Nanoparticles on Raoultella Ornithinolytica sp. and Its Application for Azo Dye Removal.

ABSTRACT: A high-performance immobilized bacterial strain coated with magnetic iron oxide nanoparticles was used for Basic Blue 41 azo dye (BB 41 dye) decolorization. To create the coated bacterial strain, Raoultella Ornithinolytica sp. was isolated and identified under the accession number KT213695, then coated with manufactured magnetic iron oxide nanoparticles. SEM and SEM-EDX were used to characterize the coated bacteria and validate its morphological structure formation. The coated Raoultella Ornithinolytica sp. A1 (coated A1) generated a 95.20% decolorization for BB 41 dye at 1600 ppm starting concentration with an optimal dose of coated A1 5 mL/L, pH 8, under static conditions for 24 h at 37 °C. Continuous batch cycles were used, with BB 41 dye (1600 ppm) added every 24 h four times, to achie

SUBMITTER: Bekhit F 

PROVIDER: S-EPMC9708763 | biostudies-literature | 2022 Dec

REPOSITORIES: biostudies-literature