Kinetic and Equilibrium Studies of Chromium Sorption Using Ultrasonically Modified Wood Sawdust by Alumina
2024
Velinov, Nena | Radović Vučić, Miljana | Mitrović, Jelena | Petrović, Milica | Najdanović, Slobodan | Bojić, Danijela | Bojić, Aleksandar
An oak tree sawdust was modified by a simple ultrasonically assisted synthesis method with alumina. Wood-alumina sorbent was used for chromium (VI) ions removal from water. The kinetics and equilibrium study of sorption process was studied in detail. The sorption mechanism was best described by Langmuir isotherm followed pseudo-second order kinetics and the maximal sorption capacity was 104.2 mg/g. The application of obtained sorbent presents very fast sorption with high removal efficiency of chromium.
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Editeur University of Belgrade, Technical faculty in Bor (Serbia)
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