Browsing by Author "Koksal, Elif"

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    Rapid Removal of Congo Red From Aqueous Solutions Using Ba2mg(bo3< Investigations Into Kinetics, Thermodynamics and Isotherms
    (Taylor & Francis Ltd, 2025) Bayram, Okan; Moral, Emel; Koksal, Elif; Pekgozlu, Ilhan; Gode, Fethiye; Pehlivan, Erol
    The current study investigates the removal of the toxic Congo red (CR) dye from wastewater using Ba2Mg(BO3)(2). The novel adsorbent with the formula Ba2Mg(BO3)(2) was prepared using a solution combustion process. Several characterisation techniques were used, including FT-IR, SEM-EDX, and XRD. The powder XRD technique was used to analyse the phase of the prepared adsorbent. Five factors were analysed in the experiments: contact time, pH, initial concentration, adsorbent dose, and temperature. The findings indicated that these factors had an impact on the adsorption capacity. The Langmuir, Freundlich, Dubinin&Radushkevich, and Temkin&Pyzhev isotherms models were used to assess the results from experiments on adsorption isotherms. According to the experimental findings, the Langmuir model fits with a maximal adsorption capacity of 1666.667 mg/g for CR. Physical adsorption and electrostatic interaction are thought to be the removal mechanisms based on fitting to pseudo-second-order kinetics model. The adsorption of Ba2Mg(BO3)(2) for CR is physisorption. CR was found to have favourable specific adsorption enthalpy and entropy on Ba2Mg(BO3)(2). With its high adsorption capacity and rapid synthesizability, Ba2Mg(BO3)(2) can be recommended for use in CR removal.