Preparation of magnetic chitosan/C@Fe3O4 composite for removal of Cu2+ và Pb2+ ion in aqueous solution

Nguyen Thi Hong Anh

doi:10.51316/jca.2023.052

Authors

Nguyen Thi Hong Anh Faculty of Chemical Engineering, Ho Chi Minh City University of Food Industry Author

DOI:

https://doi.org/10.51316/jca.2023.052

Keywords:

chitosan, heavy metal ion, rice husk, composite, Adsorption

Abstract

In this study, the chitosan/C@Fe₃O₄ composite was applied to remove metal ions Cu²⁺ and Pb²⁺in aqueous solution. The results showed that the adsorption efficiency was over 90% in 120 min with an initial concentration of 50 mg/L Cu²⁺ and Pb²⁺. Various factors affected adsorption processes such as concentration, time and temperature were also conducted. The results showed that the removal efficiency of Cu metal ions was higher than that of Pb²⁺ with the initial concentration of 50 mg/L, the time of 120 min. The removal efficiencies were up to 90.54 and 83.5 % for Cu²⁺ and Pb²⁺, respectively. In addition, kinetic models of the adsorption process were also studied.

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