Effect of surface area and physical–chemical properties of graphite and graphene-based materials on their adsorption capacity towards metronidazole and trimethoprim antibiotics in aqueous solution

Published on Dec 15, 2020in Chemical Engineering Journal10.652
· DOI :10.1016/J.CEJ.2020.126155
Damarys H. Carrales-Alvarado4
Estimated H-index: 4
(CSIC: Spanish National Research Council),
Inmaculada Rodríguez-Ramos47
Estimated H-index: 47
(CSIC: Spanish National Research Council)
+ 2 AuthorsD.E. Villela-Martínez1
Estimated H-index: 1
(Universidad Autónoma de San Luis Potosí)
Abstract The adsorption of metronidazole (MNZ) and trimethoprim (TMP) antibiotics from water on nanomaterials synthesized from graphene oxide and graphite, was examined thoroughly. The effect of the physicochemical properties and surface area onto the adsorption capacity of the nanomaterials was studied in detail. The nanocarbon materials used were graphene oxide (GO), and GO reduced in inert medium (rGO) or ammonia (N-rGO), and four high surface area graphites (HSAG100, HSAG300, HSAG400, HSAG500). The nanomaterials characterization was performed by transmission and scanning electron microscopy, N2 physisorption, TG-profiles and X-ray diffraction. The increasing order of the nanomaterial adsorption capacity toward MNZ was: HSAG100
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