Transport of gadolinium in a cement composite

Development of cement based composites suitable for radionuclide immobilization is of great interest for secure containment of nuclear waste. This requires, in particular, detailed knowledge of how radionuclides are transported in such composites. In this paper we investigate the transport of gadoli...

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Main Authors: Medved’ Igor, Kalvoda Ladislav, Vejmelková Eva, Vratislav Stanislav, Černý Robert
Format: Article
Language:English
Published: EDP Sciences 2019-01-01
Series:MATEC Web of Conferences
Online Access:https://www.matec-conferences.org/articles/matecconf/pdf/2019/31/matecconf_cesbp2019_02105.pdf
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author Medved’ Igor
Kalvoda Ladislav
Vejmelková Eva
Vratislav Stanislav
Černý Robert
author_facet Medved’ Igor
Kalvoda Ladislav
Vejmelková Eva
Vratislav Stanislav
Černý Robert
author_sort Medved’ Igor
collection DOAJ
description Development of cement based composites suitable for radionuclide immobilization is of great interest for secure containment of nuclear waste. This requires, in particular, detailed knowledge of how radionuclides are transported in such composites. In this paper we investigate the transport of gadolinium in a dry cement composite. Experimental data are obtained in a non-destructive way by neutron imaging. Their theoretical interpretation is based on a diffusion-advection model in which sorption is included.
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spelling doaj.art-aa5fb718b394403485ae7c2103130a942022-12-21T18:18:43ZengEDP SciencesMATEC Web of Conferences2261-236X2019-01-012820210510.1051/matecconf/201928202105matecconf_cesbp2019_02105Transport of gadolinium in a cement compositeMedved’ IgorKalvoda Ladislav0Vejmelková Eva1Vratislav Stanislav2Černý Robert3Department of Solid State Engineering, Faculty of Nuclear Science and Physical Engineering, Czech Technical UniversityDepartment of Materials Engineering and Chemistry, Faculty of Civil Engineering, Czech Technical UniversityDepartment of Solid State Engineering, Faculty of Nuclear Science and Physical Engineering, Czech Technical UniversityDepartment of Materials Engineering and Chemistry, Faculty of Civil Engineering, Czech Technical UniversityDevelopment of cement based composites suitable for radionuclide immobilization is of great interest for secure containment of nuclear waste. This requires, in particular, detailed knowledge of how radionuclides are transported in such composites. In this paper we investigate the transport of gadolinium in a dry cement composite. Experimental data are obtained in a non-destructive way by neutron imaging. Their theoretical interpretation is based on a diffusion-advection model in which sorption is included.https://www.matec-conferences.org/articles/matecconf/pdf/2019/31/matecconf_cesbp2019_02105.pdf
spellingShingle Medved’ Igor
Kalvoda Ladislav
Vejmelková Eva
Vratislav Stanislav
Černý Robert
Transport of gadolinium in a cement composite
MATEC Web of Conferences
title Transport of gadolinium in a cement composite
title_full Transport of gadolinium in a cement composite
title_fullStr Transport of gadolinium in a cement composite
title_full_unstemmed Transport of gadolinium in a cement composite
title_short Transport of gadolinium in a cement composite
title_sort transport of gadolinium in a cement composite
url https://www.matec-conferences.org/articles/matecconf/pdf/2019/31/matecconf_cesbp2019_02105.pdf
work_keys_str_mv AT medvedigor transportofgadoliniuminacementcomposite
AT kalvodaladislav transportofgadoliniuminacementcomposite
AT vejmelkovaeva transportofgadoliniuminacementcomposite
AT vratislavstanislav transportofgadoliniuminacementcomposite
AT cernyrobert transportofgadoliniuminacementcomposite