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Development of a urea-adduct process for recovery of n-alkane based diluent from spent PUREX/UREX solvent

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Abstract

Urea-adduct process is commercially used to selectively separate n-alkanes from industrial hydrocarbon mixtures. Authors have explored application of this method for recovery of n-alkane based diluents from spent PUREX/UREX solvent. Traditionally this separation is performed by vacuum distillation, an energy-intensive process. The proposed method is simple and does not involve either exotic chemicals or complex processing steps. Application of urea-adduct process for recovery of diluent from spent solvent is reported here possibly first time in literature. Physical properties such as densities, viscosities and vapour pressure for irradiated organic solutions were also measured and reported.

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Acknowledgments

Authors sincerely acknowledge the valuable support provided by Dr. D. Ponraju and his group during irradiation of the solvent samples.

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Authors and Affiliations

  1. Reprocessing Group, Indira Gandhi Centre for Atomic Research, Kalpakkam, 603102, India

    Shekhar Kumar, Abhishek Singh, Pranay Kumar Sinha, U. Kamachi Mudali & R. Natarajan

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  1. Shekhar Kumar
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  2. Abhishek Singh
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  3. Pranay Kumar Sinha
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  4. U. Kamachi Mudali
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  5. R. Natarajan
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Correspondence to Shekhar Kumar.

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Kumar, S., Singh, A., Sinha, P.K. et al. Development of a urea-adduct process for recovery of n-alkane based diluent from spent PUREX/UREX solvent. J Radioanal Nucl Chem 293, 721–724 (2012). https://doi.org/10.1007/s10967-012-1852-5

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  • DOI: https://doi.org/10.1007/s10967-012-1852-5

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