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Use of Sr2Mg(BO3)2 in Congo red removal from aqueous solutions: Synthesis, adsorption, isotherm, kinetic study

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dc.creator GÖDE, Fethiye
dc.creator Pekgözlü, İlhan
dc.creator Bayram, Okan
dc.creator Moral, Emel
dc.date 2023-01-01T00:00:00Z
dc.date.accessioned 2024-08-26T12:08:34Z
dc.date.available 2024-08-26T12:08:34Z
dc.identifier 148a3c00-ab54-4113-9e59-c2fe9a3b9392
dc.identifier 10.1080/01932691.2023.2278497
dc.identifier https://avesis.sdu.edu.tr/publication/details/148a3c00-ab54-4113-9e59-c2fe9a3b9392/oai
dc.identifier.uri http://acikerisim.sdu.edu.tr/xmlui/handle/123456789/98782
dc.description Sr2Mg(BO3)2 was prepared by a solution combustion method at 900 °C for 6 hour in air. The prepared adsorbent was characterized by X-Ray Diffraction (XRD). The XRD pattern of Sr2Mg(BO3)2 is in agreement with the ICDD File No: 01-076-9795. The particle morphology of the adsorbent was investigated by scanning electron microscope (SEM). The average size of particles is about 3–10 µm. The Congo red dye was removed from aqueous solution using Sr2Mg(BO3)2. The effect of time, initial concentration, pH, temperature and dosage on adsorption were investigated. The Freundlich model fitted according to equilibrium data and maximum adsorption capacity is 886.952 mg/g. According to theories of pseudo-second-order kinetics, the removal procedure involves chemical adsorption. According to the thermodynamic data, negative ΔG values indicated that adsorption of Sr2Mg(BO3)2 occurred spontaneously and negative ΔH values, the adsorption process was exothermic. Sr2Mg(BO3)2 is a useable material for Congo red dye removal.
dc.language eng
dc.rights info:eu-repo/semantics/closedAccess
dc.title Use of Sr2Mg(BO3)2 in Congo red removal from aqueous solutions: Synthesis, adsorption, isotherm, kinetic study
dc.type info:eu-repo/semantics/article


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