Phosphate Ion Removal from Synthetic and Real Wastewater Using MnFe2O4Nanoparticles: A Reusable Adsorbent

Widodo Brontowiyono, Indrajit Patra, Shaymaa Abed Hussein, Alimuddin, Ahmed B. Mahdi, Samar Emad Izzat, Dhuha Mohsin Al-Dhalemi, Ahmed Kareem Obaid Aldulaim, Rosario Mireya Romero Parra, Luis Andres Barboza Arenas, Yasser Fakri Mustafa

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The purpose of this study was to eliminate phosphate (P) from wastewater using MnFe2O4nanoparticles. BET, TGA/ DTG, FTIR, SEM, TEM, VSM, XRD and EDX/Map analyses were used to determine the MnFe2O4surface properties. The specific surface area of the adsorbent was 196.56 m2/g and VSM analysis showed that the adsorbent has a ferromagnetic property. The maximum P sorption efficiency using MnFe2O4(98.52%) was achieved at pH 6, temperature of 55 °C, P concentration of 10 mg/L, time of 60 min, and sorbent dosage of 2.5 g/L, which is a significant value. Also, the thermodynamic study indicated that the P sorption process is spontaneous and endothermic. Moreover, the utmost sorption capacity of P using MnFe2O4was 39.48 mg/g. Besides, MnFe2O4can be used for up to 6 reuse cycles with high sorption efficiency (>91%). Also, MnFe2O4was able to remove phosphate, COD, and BOD5 from municipal wastewater with considerable removal efficiencies of 82.7%, 75.8%, and 77.3%, respectively.

Idioma originalInglés estadounidense
Páginas (desde-hasta)681-693
PublicaciónActa Chimica Slovenica
EstadoIndizado - 2022

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