Synthesis of cross-linked sulfonated poly(ether ether ketone) and its use for Pb2+ and 137Cs removal from aqueous solution

  • Abdul G. Al LafiEmail author
  • Jamal Al Abdullah
  • Reem Hasan
  • Yusr Amin
  • Tasneem Alnama


Sulfonated ion irradiated (H+ and He2+) PEEK films were synthesized with a range of cross-linking density and a variety of sulfonation degrees. Batch adsorption experiments were carried out at an initial pH of 6.0 ± 0.2, initial concentrations of Pb2+ and 137Cs ions of 10.0 mg L−1 and 5500 Bq L−1, respectively. The maximum adsorption capacity was 60 mg g−1 for Pb2+, and the distribution coefficient reached 6200 cm3 g−1 for 137Cs. The results indicated that sulfonation could be used to recycle low cross-linked PEEK and prepare efficient adsorbents to remove toxic Pb2+ and 137Cs from polluted aqueous solutions.


Ion irradiation Sulfonation Sorption Radionuclide Wastewater 



The authors thank Prof. James N. Hay and Prof. David J. Parker for allowing the use of irradiation facility. Thanks are also due to Prof. I. Othman; the Director General of the Atomic Energy Commission of Syria for his support.

Compliance with ethical standards

Conflicts of interest

All authors declare that they have no conflict of interest.


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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2018

Authors and Affiliations

  1. 1.Department of ChemistryAtomic Energy CommissionDamascusSyrian Arab Republic
  2. 2.Department of Protection and SafetyAtomic Energy CommissionDamascusSyrian Arab Republic

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