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Partitioning of Zr, U and FP between Molten Oxidic and Metallic Corium
Russian Research Center Kurchatov Institute (RRC KI).
A.P. Alexandrov Research Institute of Technology (NITI).ORCID iD: 0000-0001-7816-8442
A.P. Aleksandrov Research Institute of Technology.
3 Institute of Silicate Chemistry of Russian Academy of Science (ISC of RAS), St. Petersburg .
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2004 (English)In: Proceeding of MASCA Seminar, 2004Conference paper (Refereed)
Abstract [en]

Interaction of molten corium and liquid iron/stainless steel has been studied in different tests of theMASCA-1 program. These tests utilized the technology of induction melting in a cold crucible. Themasses of tested corium were approximately 0.5, 2 and 100 kg. Representative quantities of Mo, Ru,SrO, BaO, CeO2 and La2O3 served as fission product simulants.After the suboxidized melt - steel interaction U and Zr have been found in the metallic phase.To quantify the partitioning of Zr, U and fission products an extensive experimental program has beenperformed. The following key parameters have been identified: oxygen potential in the melt (degree ofZr-oxidation), the corium/steel mass ratio and U/Zr ratio. The paper discusses the influence of theseparameters on the partitioning of the main species.

Place, publisher, year, edition, pages
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Energy Engineering
URN: urn:nbn:se:kth:diva-53756OAI: diva2:470846
MASCA Seminar, Aix-en-Provence, France, June 10-11, 2004
QC 20120117Available from: 2011-12-30 Created: 2011-12-30 Last updated: 2012-01-21Bibliographically approved

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