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Chemical Characterization of Uo2 Fe and Fe Cs Aerosols Generated At High-temperature

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Alrayyes, AH. Ladrière, Jean [UCL] Ronneau, Claude [UCL] Apers, Désiré [UCL]

Aerosols are generated by a laboratory simulator from UO2/alpha-Fe and Fe/CsOH pellets. They have been analysed by Mossbauer spectroscopy and X-ray diffraction. This approach allows the determination of some structural and physico-chemical parameters of iron species which are likely to be formed and liberated by a damaged nuclear reactor. The chemical species emitted by UO2/alpha-Fe pellets into an argon atmosphere are Fe3O4, alpha-Fe, FeO, UFeC2, while the main compound of the oven residue is UFeC2. The aerosols released by Fe/CsOH pellets in a CO atmosphere contain gamma-Fe, alpha-Fe, Fe3C, Fe3O4 and CsFeO2.

Document type Article de périodique (Journal article) – Article de recherche
Publication date 1992
Language Anglais
Journal information "Radiochimica Acta : international journal for chemical aspects of nuclear science and technology" - Vol. 56, no. 1, p. 47-50 (1992)
Peer reviewed yes
Publisher R Oldenbourg Verlag (Munich 80)
issn 0033-8230
Publication status Publié
Affiliation UCL - SC/CHIM - Département de chimie
Keywords NUCLEAR REACTOR ACCIDENT ; FE-U AEROSOLS ; MOSSBAUER SPECTROSCOPY ; CESIUM FERRITE
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Bibliographic reference Alrayyes, AH. ; Ladrière, Jean ; Ronneau, Claude ; Apers, Désiré. Chemical Characterization of Uo2 Fe and Fe Cs Aerosols Generated At High-temperature. In: Radiochimica Acta : international journal for chemical aspects of nuclear science and technology, Vol. 56, no. 1, p. 47-50 (1992)
Permanent URL http://hdl.handle.net/2078.1/50577