C. Julio O. Prieto-GarcíaM. Sc. Daimel Castillo-GonzálezM. Sc. Joan Rodríguez-DíazLic. Julio A. Lestayo-GonzálezLic. Yennier Cruz-BermúdezLic. Ángel Mollineda-Trujillo2026-03-222026-03-222012http://www.redalyc.org/pdf/4435/443543725011.pdfhttps://andeanlibrary.org/handle/123456789/64221This paper is concerned with the kinetics of uranyl ion adsorption by the amorphous silicon dioxide. The analytical data were approached from following kinetics models: First-order kinetic model, Pseudosecond order kinetic model, Elovich kinetic model, intraparticle model, Bangham model and liquid films diffusion model. The Second-order kinetic model was shown to be the best fit for the description of uranyl adsorption. Keywords: adsorption, kinetics, uranyl ions, silicon dioxide.esUranylKineticsKinetic energyDiffusionAdsorptionChemistrySiliconIonPhysical chemistryMaterials sciencearticle