SCK CEN R&D on the interaction between nuclear waste glass and clay near- and far- field materials

Pierre Van Iseghem; Karel Lemmens; Elie Valcke; Marc Aertsens

doi:10.1002/9780470538371.ch11

SCK CEN R&D on the interaction between nuclear waste glass and clay near- and far- field materials

Pierre Van Iseghem, Karel Lemmens, Elie Valcke, Marc Aertsens

Research output › peer-review

Abstract

A large R&D programme has been performed in Belgium to evaluate the chemical durability of candidate high-level waste glasses in clay environments. This paper discusses the methodology followed and the main results obtained over the past years. The methodology involves laboratory test set-ups focusing on the interaction with solid clay, modelling, and tests in the underground research laboratory in clay. The results discussed include dissolution rates, mobile radionuclide concentrations in the interacting solutions, analytical modelling and results from an in situ test. The results show that HLW glass will act as a substantial barrier in such an environment. The paper also discusses the main dissolution processes involved and the remaining uncertainties.

Original language	English
Title of host publication	Environmental Issues and Waste Management Technologies in the Materials and Nuclear Industries XII - A Collection of Papers Presented at the 2008 Materials Science and Technology Conf., MS and T'08
Place of Publication	Hoboken (NJ), United States
Publisher	American Ceramic Society
Pages	103-114
Number of pages	12
ISBN (Print)	9780470408483
DOIs	https://doi.org/10.1002/9780470538371.ch11
State	Published - 13 Jul 2009
Event	2008 Materials Science and Technology Conference, MS and T'08 - Pittsburgh, PA Duration: 5 Oct 2008 → 9 Oct 2008

Publication series

Name	Ceramic Transactions
Volume	207
ISSN (Print)	1042-1122

Conference

Conference	2008 Materials Science and Technology Conference, MS and T'08
Country/Territory	United States
City	Pittsburgh, PA
Period	2008-10-05 → 2008-10-09

ASJC Scopus subject areas

Ceramics and Composites
Materials Chemistry

Access to Document

10.1002/9780470538371.ch11License: Unspecified

Cite this

Van Iseghem, P., Lemmens, K., Valcke, E., & Aertsens, M. (2009). SCK CEN R&D on the interaction between nuclear waste glass and clay near- and far- field materials. In Environmental Issues and Waste Management Technologies in the Materials and Nuclear Industries XII - A Collection of Papers Presented at the 2008 Materials Science and Technology Conf., MS and T'08 (pp. 103-114). (Ceramic Transactions; Vol. 207). American Ceramic Society. https://doi.org/10.1002/9780470538371.ch11

Van Iseghem, Pierre ; Lemmens, Karel ; Valcke, Elie et al. / SCK CEN R&D on the interaction between nuclear waste glass and clay near- and far- field materials. Environmental Issues and Waste Management Technologies in the Materials and Nuclear Industries XII - A Collection of Papers Presented at the 2008 Materials Science and Technology Conf., MS and T'08. Hoboken (NJ), United States : American Ceramic Society, 2009. pp. 103-114 (Ceramic Transactions).

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abstract = "A large R&D programme has been performed in Belgium to evaluate the chemical durability of candidate high-level waste glasses in clay environments. This paper discusses the methodology followed and the main results obtained over the past years. The methodology involves laboratory test set-ups focusing on the interaction with solid clay, modelling, and tests in the underground research laboratory in clay. The results discussed include dissolution rates, mobile radionuclide concentrations in the interacting solutions, analytical modelling and results from an in situ test. The results show that HLW glass will act as a substantial barrier in such an environment. The paper also discusses the main dissolution processes involved and the remaining uncertainties.",

keywords = "High-level waste glass, Clay, Dissolution processes, Si behaviour, Experimental methodology, Corrosion, Long-term dissolution",

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Van Iseghem, P, Lemmens, K , Valcke, E & Aertsens, M 2009, SCK CEN R&D on the interaction between nuclear waste glass and clay near- and far- field materials. in Environmental Issues and Waste Management Technologies in the Materials and Nuclear Industries XII - A Collection of Papers Presented at the 2008 Materials Science and Technology Conf., MS and T'08. Ceramic Transactions, vol. 207, American Ceramic Society, Hoboken (NJ), United States, pp. 103-114, 2008 Materials Science and Technology Conference, MS and T'08, Pittsburgh, PA, United States, 2008-10-05. https://doi.org/10.1002/9780470538371.ch11

SCK CEN R&D on the interaction between nuclear waste glass and clay near- and far- field materials. / Van Iseghem, Pierre; Lemmens, Karel ; Valcke, Elie et al.
Environmental Issues and Waste Management Technologies in the Materials and Nuclear Industries XII - A Collection of Papers Presented at the 2008 Materials Science and Technology Conf., MS and T'08. Hoboken (NJ), United States: American Ceramic Society, 2009. p. 103-114 (Ceramic Transactions; Vol. 207).

Research output › peer-review

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AB - A large R&D programme has been performed in Belgium to evaluate the chemical durability of candidate high-level waste glasses in clay environments. This paper discusses the methodology followed and the main results obtained over the past years. The methodology involves laboratory test set-ups focusing on the interaction with solid clay, modelling, and tests in the underground research laboratory in clay. The results discussed include dissolution rates, mobile radionuclide concentrations in the interacting solutions, analytical modelling and results from an in situ test. The results show that HLW glass will act as a substantial barrier in such an environment. The paper also discusses the main dissolution processes involved and the remaining uncertainties.

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KW - Long-term dissolution

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Van Iseghem P, Lemmens K , Valcke E , Aertsens M. SCK CEN R&D on the interaction between nuclear waste glass and clay near- and far- field materials. In Environmental Issues and Waste Management Technologies in the Materials and Nuclear Industries XII - A Collection of Papers Presented at the 2008 Materials Science and Technology Conf., MS and T'08. Hoboken (NJ), United States: American Ceramic Society. 2009. p. 103-114. (Ceramic Transactions). doi: 10.1002/9780470538371.ch11