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Chlorination reaction kinetics of CsI under cladding hull waste treatment condition: a TGA study

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Abstract

The reaction between cesium iodide (CsI) and chlorine gas was quantitatively investigated using a thermo-gravimetric analysis system. A comparison between calculated and experimental results on the chlorine molar flow rate revealed that the reaction lies within the gas phase diffusion limited region under the condition of this work. Using the experimental data, the second-order nucleation and growth model was identified as the best geometry function to describe the morphological changes of CsI during the chlorination reaction. Combining the gas phase diffusion equation and geometry function, a reaction rate equation was proposed for the reaction between CsI and Cl2.

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Acknowledgments

This work was sponsored by the Nuclear R&D program of the Korean Ministry of Science, ICT & Future Planning (No. 2012M2A8A5025700).

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Authors and Affiliations

  1. Nuclear Fuel Cycle Process Development Division, Korea Atomic Energy Research Institute, 989-111 Daedeok-daero, Yuseong-gu, Daejeon, 305-353, Republic of Korea

    Min Ku Jeon, Yong Taek Choi, Chang Hwa Lee, Deok Yoon Kang, Kweon Ho Kang, Hwan Seo Park & Do-Hee Ahn

  2. Department of Quantum Energy Chemical Engineering, University of Science and Technology, 217 Gajeong-ro, Yuseong-gu, Daejeon, 305-353, Republic of Korea

    Min Ku Jeon, Hwan Seo Park & Do-Hee Ahn

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  1. Min Ku Jeon
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  2. Yong Taek Choi
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  3. Chang Hwa Lee
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  4. Deok Yoon Kang
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  5. Kweon Ho Kang
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  6. Hwan Seo Park
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  7. Do-Hee Ahn
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Correspondence to Min Ku Jeon.

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Jeon, M.K., Choi, Y.T., Lee, C.H. et al. Chlorination reaction kinetics of CsI under cladding hull waste treatment condition: a TGA study. J Radioanal Nucl Chem 307, 333–339 (2016). https://doi.org/10.1007/s10967-015-4096-3

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  • DOI: https://doi.org/10.1007/s10967-015-4096-3

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