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Removal of radionuclides from low level radioactive liquid waste by precipitation

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Abstract

Results are reported on lab-scale experiments on the removal of134Cs and60Co from liquid radioactive waste originating from Radioisotope Production Laboratory. Low cost and-simple nickel ferro-cyanide precipitation was applied for the separation of radionuclides from low-level radioactive liquid waste. Using the optimal nickel concentration of 0.75M and optimum cyanide concentration of 0.50M about 98% of the134Cs can be removed at an optimum pH of nearly 10. Furthermore, using the same method nearly 60% of60Co has been removed. The nickel ferrocyanide precipitation method could be used for removal of Cs from low level liquid waste.

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References

  1. M. M. Rahman, A. S. Mollah, K. Alam, Aleya Begum, S. Islam, IAEA-TECDOC 228, 1997.

  2. IAEA TRS No. 89, Chemical Treatment of Radioactive Wastes, IAEA, Vienna, 1968.

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  3. IAEA TRS No. 337, Chemical Precipitation Processes for the Treatment of Aquous Radioactive Waste, IAEA, Vienna, 1992.

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Authors and Affiliations

  1. Institute of Nuclear Science and Technology, Atomic Energy Research Establishment, Ganakbari, Savar, Dhaka-1000, GPO Box 3787, Bangladesh

    A. S. Mollah & Aleya Begum

  2. Bangladesh Atomic Energy Commission, Dhaka, Bangladesh

    M. M. Rahman

Authors
  1. A. S. Mollah
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  2. Aleya Begum
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  3. M. M. Rahman
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Mollah, A.S., Begum, A. & Rahman, M.M. Removal of radionuclides from low level radioactive liquid waste by precipitation. J Radioanal Nucl Chem 229, 187–189 (1998). https://doi.org/10.1007/BF02389473

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  • DOI: https://doi.org/10.1007/BF02389473

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