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Title Synthesis and Characterization of Boehmite Particles Obtained from Recycling: Water Disinfection Application
ID_Doc 16368
Authors Horsth, DFL; Primo, JD; Balaba, N; Correa, JS; Zanette, CM; Silva, DK; Bittencourt, C; Anaissi, FJ
Title Synthesis and Characterization of Boehmite Particles Obtained from Recycling: Water Disinfection Application
Year 2022
Published Nanomaterials, 12, 16
Abstract We report on the synthesis of boehmite aluminum oxide hydroxide particles with lamellar structure (gamma-AlO(OH)) obtained from the recycling of metallic can seals, with the addition of silver nanoparticles (Ag-NPs) reduced by Aloe Vera extract. X-ray diffractometry (XRD) confirmed the gamma-phase, and scanning electron microscopy (SEM) showed the presence of Ag-NPs on the boehmite particle surface, confirming the efficiency of the synthesis to obtain the composite material. The samples were used to treat lake water, according to the Standard Methods for the Examination of Water and Wastewater. The results indicated that the elimination of total coliforms and Escherichia coli occurred, with excellent efficiency for the Ag-boehmite sample. The tests show the possibility of reuse (5x) of the sample, as it maintained the efficiency of disinfection for E. coli. The preparation, use, and reuse of boehmite obtained from metallic waste is a case of a circular economy, focused on sustainability and green chemistry.
PDF https://www.mdpi.com/2079-4991/12/16/2771/pdf?version=1660551118
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