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Investigation of novel composites to be used as backfill materials in radioactive waste disposal facilities

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Abstract

The current work aims at the preparation and characterization of novel composite materials of acrylic acid/charcoal/montmorillonite (MMT) (PAACM and AMC). They are characterized using SEM, EDX, and TGA. The work handled the removal of cesium and strontium ions, as a model radioactive waste, their concentrations were determined using ICP. The experimental results showed that PAACM composite has a sorption capacity of 11.49 mg/g for Cs+ and 10.99 mg/g for Sr2+, but for AMC, the composite has a sorption capacity of 21.59 mg/g Cs+ and 26.68 mg/g for Sr2+. High thermal stability even at 700 °C the net weight loss is 1% for both composites.

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Acknowledgements

The authors express their gratitude and appreciation to ENRRA for supporting and financing this work.

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Authors and Affiliations

  1. Egyptian Nuclear and Radiological Regulatory Authority, P.O. Box 7551, Nasr City, Cairo, Egypt

    N. A. Abdel Reheim, M. Abdel Geleel, E. R. Atta & Amaal Tawfik

  2. Chemistry Department, Faculty of Science, Ain Shams University, Cairo, Egypt

    Ashraf. A. Mohammed

  3. Girls College for Art, Science and Education, Ain Shams University, Cairo, Egypt

    Emtithal A. Elsawy

Authors
  1. N. A. Abdel Reheim
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  2. M. Abdel Geleel
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  3. Ashraf. A. Mohammed
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  4. E. R. Atta
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  5. Emtithal A. Elsawy
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  6. Amaal Tawfik
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Correspondence to N. A. Abdel Reheim.

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Reheim, N.A.A., Geleel, M.A., Mohammed, A.A. et al. Investigation of novel composites to be used as backfill materials in radioactive waste disposal facilities. J Radioanal Nucl Chem 322, 455–465 (2019). https://doi.org/10.1007/s10967-019-06809-x

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  • DOI: https://doi.org/10.1007/s10967-019-06809-x

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