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Superhigh Adsorption of Cadmium(II) Ions onto Surface Modified Nano Zerovalent Iron Composite (CNS-nZVI): Characterization, Adsorption Kinetics and Isotherm Studies

Prabu Deivasigamani, Department of Chemical Engineering, Sathyabama Institute of Science and Technology, Chennai, India, Senthil Kumar Ponnusamy, Sathish Sundararaman, Suresh A, Department of Chemical Engineering, SSN College of Engineering, Chennai-603110, India, Department of Chemical Engineering, Sathyabama Institute of Science and Technology, Chennai, India, Department of Chemical Engineering, Sathyabama Institute of Science and Technology, Chennai, India
2021 Chemistry & Chemical Technology  

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The efficiency of surface modified nanoscale zerovalent iron (nZVI) composite by cashew nut shell (CNS) was tested for the removal of cadmium ions from the aqueous solutions. 2 g/l CNS-nZVI was efficient for 98% removal. The adsorption capacity was 35.58 mg/g. The Freundlich isotherm (R2 = 0.9769) and the pseudo-second order adsorption kinetics data fitted well. This proved CNS-nZVI has a high removal efficiency for Cd(II) from aqueous solutions.
doi:10.23939/chcht15.04.457 fatcat:3r6eelmvqrd5vjgmgm4gg3s73m
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Prabu Deivasigamani, Department of Chemical Engineering, Sathyabama Institute of Science and Technology, Chennai, India, Senthil Kumar Ponnusamy, Sathish Sundararaman, Suresh A, Department of Chemical Engineering, SSN College of Engineering, Chennai-603110, India, Department of Chemical Engineering, Sathyabama Institute of Science and Technology, Chennai, India, Department of Chemical Engineering, Sathyabama Institute of Science and Technology, Chennai, India. "Superhigh Adsorption of Cadmium(II) Ions onto Surface Modified Nano Zerovalent Iron Composite (CNS-nZVI): Characterization, Adsorption Kinetics and Isotherm Studies." Chemistry & Chemical Technology 15.4 (2021) 457-464