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Study of sodium diuranate concentrate refining using H2O2

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Abstract

An alternate route for refining Sodium diuranate concentrate to nuclear grade product following uranium peroxide precipitation using Hydrogen peroxide (H2O2), which eliminates several cumbersome unit operations, hazardous chemicals and multiple waste streams in conventional refining process, is proposed in the reported work. Feasibility of the proposed route has been studied by conducting several experimental trials. The product obtained satisfies all impurity restrictions set by ASTM C788 for uranium nitratel pure solution intended for conversion to UO2 (uranium dioxide) fuel and provides high U recovery (> 99%). A few parametric investigations for the proposed process have also been carried out for process optimization.

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Acknowledgements

The authors acknowledge Bhabha Atomic Research Centre (BARC) for providing financial and support for undertaking this work.

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The funding was provided by Bhabha Atomic Research Centre

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Authors and Affiliations

  1. Chemical Technology Group, BARC, Mumbai, India

    V. S. Amalraj, A. K. Tiwari, Ankur Agrawal, Puneet Tulsyan & A. K. Kalburgi

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  1. V. S. Amalraj
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  2. A. K. Tiwari
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  3. Ankur Agrawal
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  4. Puneet Tulsyan
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  5. A. K. Kalburgi
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Correspondence to V. S. Amalraj.

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Amalraj, V.S., Tiwari, A.K., Agrawal, A. et al. Study of sodium diuranate concentrate refining using H2O2. J Radioanal Nucl Chem 331, 867–876 (2022). https://doi.org/10.1007/s10967-021-08158-0

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  • DOI: https://doi.org/10.1007/s10967-021-08158-0

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