Green synthesis of Fe nanoparticles using eucalyptus leaf extracts for treatment of eutrophic wastewater
Date
2013
Authors
Wang, T.
Jin, X.
Chen, Z.
Mallavarapu, M.
Naidu, R.
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Journal article
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Science of the Total Environment, 2013; 466-467:210-213
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Abstract
Iron nanoparticles were firstly synthesized through a one-step room-temperature biosynthetic route using eucalyptus leaf extracts (EL-Fe NPs). Scanning electron microscopy (SEM) and X-ray energy-dispersive spec- trometer (EDS) confirmed the successful synthesis of the spheroidal iron nanoparticles. Furthermore, X-ray diffraction (XRD) and Fourier Transform Infrared spectrometer (FTIR) indicated that some polyphenols are bound to the surfaces of EL-Fe NPs as a capping/stabilizing agent. Reactivity of EL-Fe NPs was evaluated for the treatment of swine wastewater and results indicated that 71.7% of total N and 84.5% of COD were removed, respectively. This demonstrated the tremendous potential of EL-Fe NPs for in situ remediation of eutrophic wastewater.
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Copyright 2013 Elsevier