RT Conference Proceedings T1 Mechanochemical Fabrication of Magnetic Graphene Oxide: A Sustainable Sorbent for Environmental Remediation A1 Vereda-Alonso, Elisa Isabel A1 López-Guerrero, María del Mar A1 Montoro-Leal Pablo, A1 Morales-Benítez Irene, K1 Oxígeno - Fabricación AB Graphene oxide (GO) is a nanomaterial with outstanding physicochemical properties and is widely employed across a broad range oftechnological applications. Traditionally, GO is synthesized via wet chemical methods, which typically involve harsh reaction conditionsand the use of strong oxidizing agents, raising environmental and safety concerns. In recent years, mechanochemical synthesis hasemerged as a rapid, solvent-free, and environmentally sustainable alternative for the preparation of advanced materials.In this study, an optimized protocol for the mechanochemical synthesis of GO directly from graphite was developed. The resultingmaterials were thoroughly characterized using transmission electron microscopy (TEM), scanning electron microscopy (SEM), X-rayphotoelectron spectroscopy (XPS), elemental analysis, and nitrogen adsorption–desorption isotherms. Graphene oxide synthesizedby dry mechanochemical methods (d-GO) and by conventional wet synthesis (w-GO) were both functionalized with magneticnanoparticles (MNPs) to obtain magnetic graphene oxide-based sorbents (d-M@GO and w-M@GO, respectively).The adsorption performance of the materials was evaluated using selected inorganic and organic pollutants. The resultsdemonstrated superior adsorption efficiency for d-M@GO compared to its wet-synthesized counterpart, highlighting the potential ofmechanochemical methods for the fabrication of efficient sorbents.To the best of our knowledge, this is the first reported study in which graphene oxide is synthesized by mechanochemistry usingonly atmospheric oxygen, and subsequently applied to produce magnetic graphene oxide (M@GO) for use in magnetic solid-phaseextraction (MSPE). This work contributes to the advancement of greener synthetic strategies and underscores the applicability of drysynthesis in environmental remediation technologies. PB Instituto para la Investigación Científica e Ingenieria (ISER) YR 2025 FD 2025-10-16 LK https://hdl.handle.net/10630/45358 UL https://hdl.handle.net/10630/45358 LA eng NO Texto previo enviado para la publicación en el libro de Proceeding de la comunicación presentada en la Conferencia Internacional del Instituto para la Investigación Científica e Ingenieria (ISER) celebrado durante los días 15 y 16 de octubre de 2025, en Copenague (Dinamarca) NO FQM-117-G-FEDER NO PID2021-126795OB DS RIUMA. Repositorio Institucional de la Universidad de Málaga RD 2 mar 2026