A sustainable ferromanganese biochar adsorbent for effective levofloxacin removal from aqueous medium

Chemosphere
Yujia XiangLin Luo

Abstract

This present study reported the synthesis and characterization of a low-cost, environment friendly and high efficient biochar, ferromanganese modified biochar (Fe/Mn-BC) for the removal of levofloxacin (LEV) from aqueous medium. Fe/Mn-BC was synthesized through the facile co-precipitation of Fe, Mn with vinasse wastes and then pyrolysis under controlled conditions. The characterization of Fe/MnBC was analyzed by scanning electron microscope (SEM), transmission electron microscope (TEM), X-ray diffraction patterns (XPS), X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR) and Raman. Some influencing factors (e.g., pH, Fe/Mn-BC dosage, initial LEV concentration, ionic strength, contact time and temperature) were comprehensively investigated. The results manifested that the adsorption process of LEV onto Fe/Mn-BC was high pH dependence and the maximum adsorption capacity was achieved at pH 5. Moreover, the adsorption capacity of LEV was increased with increasing ionic strength. To gain a clearer perspective on the adsorption behavior of LEV onto Fe/Mn-BC, the adsorption kinetics and isotherms were also performed, revealing pseudo-second-order and Freundlich model had a better fitting effect. Reusability experim...Continue Reading

Citations

Jun 14, 2020·Environmental Science and Pollution Research International·Sajad Tamjidi, Abolhasan Ameri
Jun 8, 2021·Journal of Environmental Management·Andrea Alejandra Acosta-HerreraFrancisco J Cervantes
Jul 31, 2021·Journal of Hazardous Materials·Nan FangHuicai Cheng

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