Journal of Polymers and the Environment

, Volume 26, Issue 9, pp 3590–3602 | Cite as

Synthesis of Chitosan@activated Carbon Beads with Abundant Amino Groups for Capture of Cu(II) and Cd(II) from Aqueous Solutions

  • Khalid Z. ElwakeelEmail author
  • Mobarak H. Aly
  • Mohamed A. El-Howety
  • Ezzat El-Fadaly
  • Ali Al-Said
Original Paper


In this study, chitosan and bio-based activated carbon obtained from sugarcane bagasse biowaste were used for the synthesis of efficient sorbent for Cu(II) and Cd(II) ion via precipitation method. The prepared material was enriched with amino groups through grafting tetraethylenepentamine and tested for heavy metal remediation from water samples. The influence of pH was investigated showing optimum sorption at pH 6 for Cu(II) and Cd(II). Sorption tests, explained by means of the most common sorption models, evidenced that the best performances were reached pointing out the promising application of the prepared sorbent for water purification treatments: Uptake kinetics are relatively fast: the equilibrium was reached within 140 min; and the kinetic profiles were preferentially fitted by the pseudo-second order rate equation. Sorption isotherms are fitted by Langmuir equation. The sorbent showed high metal ion sorption capacity with negligible influence of ion strength. The maximum sorption capacities reached 3.44 and 2.38 mmol g− 1 for Cu(II) and Cd(II), respectively at 298 K. Thermodynamic parameters were evaluated through variation of temperature. The sorption is unfavorable at elevated temperatures. Metal ions were successfully desorbed using 1 M HNO3 solution.


Heavy metal Chitosan Activated carbon Composite Sorption properties 

Supplementary material

10924_2018_1243_MOESM1_ESM.docx (290 kb)
Supplementary material 1 (DOCX 291 KB)


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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  • Khalid Z. Elwakeel
    • 1
    • 2
    Email author
  • Mobarak H. Aly
    • 3
  • Mohamed A. El-Howety
    • 3
  • Ezzat El-Fadaly
    • 3
  • Ali Al-Said
    • 3
  1. 1.Chemistry Department, Faculty of ScienceUniversity of JeddahJeddahSaudi Arabia
  2. 2.Environmental Science Department, Faculty of SciencePort-Said UniversityPort-SaidEgypt
  3. 3.Environmental studies and Research InstituteUniversity of Sadat CitySadat CityEgypt

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