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Simulation of radiation induced dissolution of spent nuclear fuel using the steady-state approach. A comparison to experimental data
KTH, School of Chemical Science and Engineering (CHE), Chemistry, Nuclear Chemistry.
Studsvik Nuclear AB, Nyköping.
KTH, School of Chemical Science and Engineering (CHE), Chemistry, Nuclear Chemistry.
KTH, School of Chemical Science and Engineering (CHE), Chemistry, Nuclear Chemistry.ORCID iD: 0000-0003-0663-0751
2008 (English)In: Journal of Nuclear Materials, ISSN 0022-3115, E-ISSN 1873-4820, Vol. 374, no 1-2, 286-289 p.Article in journal (Refereed) 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.

Place, publisher, year, edition, pages
2008. Vol. 374, no 1-2, 286-289 p.
Keyword [en]
Computer simulation; Dissolution; Radiation; Deoxygenated water; Dissolution rates; Fuel fragments; Steady-state model; Nuclear fuels
National Category
Inorganic Chemistry
Identifiers
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: diva2:335453
Note
QC 20100811Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2010-08-11Bibliographically approved
In thesis
1. The Steady-state Approach: A Model Describing the Dynamics of Spent Nuclear Fuel Dissolution in Groundwater
Open this publication in new window or tab >>The Steady-state Approach: A Model Describing the Dynamics of Spent Nuclear Fuel Dissolution in Groundwater
2007 (English)Doctoral thesis, comprehensive summary (Other scientific)
Place, publisher, year, edition, pages
Stockholm: KTH Royal Institute of Technology, 2007. v, 42 p.
Series
TRITA-CHE-Report, ISSN 1654-1081 ; 2007:20
National Category
Inorganic Chemistry
Identifiers
urn:nbn:se:kth:diva-4336 (URN)978-91-7178-631-9 (ISBN)
Public defence
2007-04-27, K1, KTH, Teknikringen 56, Stockholm, 10:00 (English)
Opponent
Supervisors
Note

Qc 20170222

Available from: 2007-04-17 Created: 2007-04-17 Last updated: 2017-02-22Bibliographically approved

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Jonsson, Mats

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