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Thermochemical Oxidation of Components of Extraction Solutions and Threshold Conditions of Thermal Explosion: 4. Kinetics of Reaction of TBP Solutions in Dodecane with Nitric Acid

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Abstract

The reaction of 30% solutions of TBP in dodecane with HNO3 at the initial concentration of the acid of 1.4 M was studied in the temperature range 75-150°C. The kinetic parameters of acid consumption, gas evolution, and accumulation of liquid-phase products were determined. The effect of γ-preirradiation on the kinetics of oxidation processes was studied. From the kinetic data the threshold temperature conditions for transformation of oxidation processes into the thermal explosion were estimated and the presumable mechanism of initiation and development of oxidation reactions was discussed.

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Authors and Affiliations

  1. Frumkin Institute of Electrochemistry, Russian Academy of Sciences, Moscow, Russia

    E. V. Belova, G. F. Egorov, E. R. Nazin & G. P. Tkhorzhnitskii

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  1. E. V. Belova
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  2. G. F. Egorov
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  3. E. R. Nazin
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  4. G. P. Tkhorzhnitskii
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Belova, E.V., Egorov, G.F., Nazin, E.R. et al. Thermochemical Oxidation of Components of Extraction Solutions and Threshold Conditions of Thermal Explosion: 4. Kinetics of Reaction of TBP Solutions in Dodecane with Nitric Acid. Radiochemistry 43, 79–83 (2001). https://doi.org/10.1023/A:1012882307907

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  • DOI: https://doi.org/10.1023/A:1012882307907

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