Kinetics and equilibrium studies of the adsorption of Cu(II) from aqueous solution using Acacia nilotica seed pods on ZnCl2 activation

Kinetics and equilibrium studies of the adsorption of Cu(II) from aqueous solution using Acacia... The present work investigates the removal of Cu(II) from aqueous solution by adsorption on to Acacia nilotica seed pods chemically activated using ZnCl2 (ANZ). Batch mode experiments of Cu(II) ions (ANZC) as a function of pH (2.0–10.0), agitation time (0–120 m), adsorbent dosage (0.2–1.0 g/L), and initial concentration (25–200 mg/L) on the adsorption capacity have been studied at room temperature. Comparative adsorption of Cu(II) by the adsorbent ANZ in the binary system (70–44.44 % ≈ Cu–Ni, 75–42.85 % ≈ Cu–Cr) and ternary system (80–60 % ≈ Cu–Ni–Cr) shows that the uptake of one metal ion was decreased by the presence of other metal ions. Analyses of SEM, XRD, and FTIR were carried out before and after adsorption to explore the number and position of the functional group available for copper binding on to the adsorbent. and the changes in surface morphology and elemental constitution of the adsorbent. The single component equilibrium data were analysed using various adsorption isotherms. Batch adsorption studies have been described by using kinetic equations. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

Kinetics and equilibrium studies of the adsorption of Cu(II) from aqueous solution using Acacia nilotica seed pods on ZnCl2 activation

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Publisher
Springer Netherlands
Copyright
Copyright © 2013 by Springer Science+Business Media Dordrecht
Subject
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
ISSN
0922-6168
eISSN
1568-5675
D.O.I.
10.1007/s11164-013-1276-z
Publisher site
See Article on Publisher Site

References

  • Removal of copper from aqueous solutions by low cost adsorbent-Kolubara lignite
    Milicevic, S; Boljanac, T; Martinovic, S; Vlahovic, M; Milosevic, V; Babic, B
  • Study of low cost biosorbent for biosorption of heavy metals
    Ashraf, M.A.; Mahmood, K.; Wajid, A.
  • Kinetics and isotherms studies for the removal of Ni (II) from aqueous solutions using
    Ghasemi, N.; Ghasemi, M.; Mashhadi, S.; Trraf, M.H.

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