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Investigations on the thermal release of iodine from liquid eutectic lead-bismuth alloy
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Jörg Neuhausen
Published/Copyright:
September 25, 2009
Summary
The release of iodine from liquid eutectic lead-bismuth alloy (LBE) under a flowing Ar/7%H2 atmosphere has been studied in a temperature range from 428 to 1223 K using γ-ray spectroscopy. During short-term experiments, significant amounts of iodine evaporate from liquid LBE at temperatures higher than 800 K. Long-term experiments reveal that the release of iodine at temperatures of relevance to technical applications, such as liquid metal spallation targets or Accelerator Driven Systems (ADS), is below our detection limits for periods up to 7 days. The release rate is determined by the desorption/evaporation process rather than by diffusion within the liquid alloy.
Published Online: 2009-9-25
Published in Print: 2006-5-1
© by Oldenbourg Wissenschaftsverlag, München
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Articles in the same Issue
- Investigations on the thermal release of iodine from liquid eutectic lead-bismuth alloy
- Sorption of Cm(III) onto different Feldspar surfaces: a TRLFS study
- Chemical speciation of heterogeneously reduced Pu in synthetic brines
- Separation of trivalent actinides from lanthanides in an acetate buffer solution using Cyanex 301
- N, N′-dimethyl-N, N′-dibutyl tetradecyl malonamide impregnated magnetic particles for the extraction and separation of radionuclides from nuclear waste streams
- Experimental evidence for the influence of the excitation wavelength on the value of the equilibrium constant as determined by Time-Resolved Emission Spectroscopy (TRES)
- Speciation of technetium and rhenium complexes by in situ XAS-electrochemistry
- Condensation mechanisms of tetravalent technetium in chloride media
- Erratum to the article “Sunflower stem: a novel and economical scavenger for Hg(II) ions from aqueous solutions and its kinetic and thermodynamic investigation” by Ummat Rasul Malik, Syed Moosa Hasany, Muhammad Sadiq Subhani
