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An attempt to select thermodynamic data and to evaluate the solubility of radioelements with uncertainty under HLW disposal conditions

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Published/Copyright: July 1, 2014
Radiochimica Acta
From the journal Radiochimica Acta Volume 102 Issue 11

Abstract

An attempt was made to select thermodynamic data with uncertainties and to evaluate the solubility of radioelements with uncertainties considering the uncertainties of the thermodynamic data and variation in groundwater chemistry. The thermodynamic data were selected by reviewing the JAEA-TDB released in 2012 from the viewpoint of consistency of the data selection process, the conservativeness of the solubility evaluation and testing up-to-date data. A Monte Carlo-based probabilistic solubility calculation code, PA-SOL, was used for the uncertainty analysis of the solubility. The uncertainty analysis for the solubility of 13 elements showed large uncertainties for Nb, Tc and U. The variations in pH, pe and total carbonate concentration assumed in this study induce significant uncertainties to the evaluated solubility. The reactions whose log K0 with uncertainties induce significant uncertainties to the evaluated solubilities were identified.

Keywords: Solubility; Thermodynamic data; High-level radioactive waste; Uncertainty; Groundwater chemistry; Database
Received: 2014-1-13
Accepted: 2014-5-23
Published Online: 2014-7-1
Published in Print: 2014-11-28

©2014 Walter de Gruyter Berlin/Boston

Articles in the same Issue

  1. Frontmatter
  2. editorial
  3. In Memoriam
  4. X-ray absorption spectroscopy investigations on radioactive matter using MARS beamline at SOLEIL synchrotron
  5. HPLC Method for Determination of Th, U and Pu in Irradiated (Th,Pu)O2 using Mandelic Acid as an Eluent
  6. Plutonium sorption and precipitation in the presence of goethite at 25 and 80 ○C
  7. An attempt to select thermodynamic data and to evaluate the solubility of radioelements with uncertainty under HLW disposal conditions
  8. Insights into the extraction behavior of U(VI) in Aliquat-336 based ionic liquids
  9. Simultaneous solid phase extraction of cobalt, strontium and cesium from liquid radioactive waste using microcrystalline naphthalene
  10. Production and use of 13N labeled N2O5 to determine gas–aerosol interaction kinetics
  11. Development of [62Zn/62Cu]-DOTA-rituximab as a possible novel in vivo PET generator for anti-CD20 antigen imaging
  12. Selective mono-radioiodination and characterization of a Cell-Penetrating Peptide: L-Tyr-Maurocalcine
https://doi.org/10.1515/ract-2014-2248
Keywords for this article
Solubility; Thermodynamic data; High-level radioactive waste; Uncertainty; Groundwater chemistry; Database

Articles in the same Issue

  1. Frontmatter
  2. editorial
  3. In Memoriam
  4. X-ray absorption spectroscopy investigations on radioactive matter using MARS beamline at SOLEIL synchrotron
  5. HPLC Method for Determination of Th, U and Pu in Irradiated (Th,Pu)O2 using Mandelic Acid as an Eluent
  6. Plutonium sorption and precipitation in the presence of goethite at 25 and 80 ○C
  7. An attempt to select thermodynamic data and to evaluate the solubility of radioelements with uncertainty under HLW disposal conditions
  8. Insights into the extraction behavior of U(VI) in Aliquat-336 based ionic liquids
  9. Simultaneous solid phase extraction of cobalt, strontium and cesium from liquid radioactive waste using microcrystalline naphthalene
  10. Production and use of 13N labeled N2O5 to determine gas–aerosol interaction kinetics
  11. Development of [62Zn/62Cu]-DOTA-rituximab as a possible novel in vivo PET generator for anti-CD20 antigen imaging
  12. Selective mono-radioiodination and characterization of a Cell-Penetrating Peptide: L-Tyr-Maurocalcine
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