A Highly Efficient Graphene-Based Material for the Removal of Cationic Dyes from Aqueous Solutions.

ABSTRACT: Graphene materials and their derivatives have shown promising capabilities in removing anionic and cationic dyes from wastewater. The present study aims at the synthesis of graphene-based material with a high specific surface area and evaluates its use as an adsorbent for removing toluidine blue and methyl violet from aqueous solutions. The physicochemical characterization of the adsorbent before and after dye adsorption is made by XRD, Raman spectroscopy, SEM, TEM, nitrogen physisorption, TG-DTA, and XPS. The influence of the solution's pH, contact time, dye concentration, and temperature on the adsorption efficiency is investigated. The adsorbent demonstrated high adsorption capacity towards toluidine blue (265.2 mg.g^-1) and methyl violet (200.4 mg.g^-1) dyes from wa

SUBMITTER: Vassileva P 

PROVIDER: S-EPMC11857711 | biostudies-literature | 2025 Feb

REPOSITORIES: biostudies-literature