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Simulation of radiation induced dissolution of spent nuclear fuel using the steady-state approach. A comparison to experimental data
KTH, Skolan för kemivetenskap (CHE), Kemi, Kärnkemi.
Studsvik Nuclear AB, Nyköping.
KTH, Skolan för kemivetenskap (CHE), Kemi, Kärnkemi.
KTH, Skolan för kemivetenskap (CHE), Kemi, Kärnkemi.ORCID-id: 0000-0003-0663-0751
2008 (engelsk)Inngår i: Journal of Nuclear Materials, ISSN 0022-3115, E-ISSN 1873-4820, Vol. 374, nr 1-2, s. 286-289Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Using the recently developed steady-state model for simulation of radiation induced dissolution of spent nuclear fuel in water we have estimated the rate of dissolution for relatively fresh fuel to 1.64 x 10(-9) Mol m(-2) s(-1). A series of experiments have been performed on fuel fragments in deoxygenated water containing 10 mM HCO3-. The dissolution rates obtained from these experiments range from 2.6 x 10(-10) to 1.6 x 10-9 Mol m(-2) s(-1). The leaching time in the experiments is 40 days or less and during this time the amount of released uranium increases linearly with time which indicates that the system has reached steady-state. The excellent agreement between the estimated dissolution rate and the dissolution rates obtained from the spent nuclear fuel leaching experiments indicates that the steady-state approach can indeed be used to predict the rate of spent nuclear fuel dissolution.

sted, utgiver, år, opplag, sider
2008. Vol. 374, nr 1-2, s. 286-289
Emneord [en]
Computer simulation; Dissolution; Radiation; Deoxygenated water; Dissolution rates; Fuel fragments; Steady-state model; Nuclear fuels
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-17409DOI: 10.1016/j.jnucmat.2007.08.009ISI: 000254413900034Scopus ID: 2-s2.0-38749151829OAI: oai:DiVA.org:kth-17409DiVA, id: diva2:335453
Merknad
QC 20100811Tilgjengelig fra: 2010-08-05 Laget: 2010-08-05 Sist oppdatert: 2017-12-12bibliografisk kontrollert
Inngår i avhandling
1. The Steady-state Approach: A Model Describing the Dynamics of Spent Nuclear Fuel Dissolution in Groundwater
Åpne denne publikasjonen i ny fane eller vindu >>The Steady-state Approach: A Model Describing the Dynamics of Spent Nuclear Fuel Dissolution in Groundwater
2007 (engelsk)Doktoravhandling, med artikler (Annet vitenskapelig)
sted, utgiver, år, opplag, sider
Stockholm: KTH Royal Institute of Technology, 2007. s. v, 42
Serie
TRITA-CHE-Report, ISSN 1654-1081 ; 2007:20
HSV kategori
Identifikatorer
urn:nbn:se:kth:diva-4336 (URN)978-91-7178-631-9 (ISBN)
Disputas
2007-04-27, K1, KTH, Teknikringen 56, Stockholm, 10:00 (engelsk)
Opponent
Veileder
Merknad

Qc 20170222

Tilgjengelig fra: 2007-04-17 Laget: 2007-04-17 Sist oppdatert: 2017-02-22bibliografisk kontrollert

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