Ageing of eurobitum bituminised radioactive waste under gamma irradiation

Fabian Rorif; Elie Valcke; Patrick Boven; Hans Ooms; Jef Peeters; Steven Smets

doi:10.1557/proc-932-47.1

Ageing of eurobitum bituminised radioactive waste under gamma irradiation

Fabian Rorif, Elie Valcke, Patrick Boven, Hans Ooms, Jef Peeters, Steven Smets

Research output › peer-review

Abstract

The extent of the physico-chemical processes of concern in the study on the acceptability of the Belgian Eurobitum bituminised waste for underground disposal will depend on the degree of ageing of the bituminous matrix. Therefore, the ageing of non-radioactive simulates of Eurobitum under gamma irradiation was studied both in the presence and absence of oxygen. Chemical changes in the bitumen structure were measured in the mid-infrared region with the attenuated total reflectance infrared technique (ATR/FTIR) and evaluation of the peaks at 1700 cm^-1 (C=O) and 1600 cm^-1 (C=C). Even for the highest total absorbed doses (∼800 kGy at ∼150 Gy/h), the effect of the irradiation in Eurobitum was found to be small and was, in any case, smaller than for samples heated for three hours at 130°C in air.

Original language	English
Title of host publication	29th International Symposium on the Scientific Basis for Nuclear Waste Management XXIX
Place of Publication	Warrendale, United States
Publisher	Materials Research Society
Pages	689-696
Number of pages	8
ISBN (Print)	1558998896, 9781558998896
DOIs	https://doi.org/10.1557/proc-932-47.1
State	Published - 2006
Event	2005 - MRS : 29th International Symposium on the Scientific Basis for Nuclear Waste Management - Gent Duration: 12 Sep 2005 → 16 Sep 2005

Publication series

Name	Materials Research Society Symposium Proceedings
Volume	932
ISSN (Print)	0272-9172

Conference

Conference	2005 - MRS
Abbreviated title	MRS2005
Country/Territory	Belgium
City	Gent
Period	2005-09-12 → 2005-09-16

ASJC Scopus subject areas

General Materials Science
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

Access to Document

10.1557/proc-932-47.1License: Unspecified

Cite this

Rorif, F., Valcke, E., Boven, P., Ooms, H., Peeters, J., & Smets, S. (2006). Ageing of eurobitum bituminised radioactive waste under gamma irradiation. In 29th International Symposium on the Scientific Basis for Nuclear Waste Management XXIX (pp. 689-696). (Materials Research Society Symposium Proceedings; Vol. 932). Materials Research Society. https://doi.org/10.1557/proc-932-47.1

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abstract = "The extent of the physico-chemical processes of concern in the study on the acceptability of the Belgian Eurobitum bituminised waste for underground disposal will depend on the degree of ageing of the bituminous matrix. Therefore, the ageing of non-radioactive simulates of Eurobitum under gamma irradiation was studied both in the presence and absence of oxygen. Chemical changes in the bitumen structure were measured in the mid-infrared region with the attenuated total reflectance infrared technique (ATR/FTIR) and evaluation of the peaks at 1700 cm-1 (C=O) and 1600 cm-1 (C=C). Even for the highest total absorbed doses (∼800 kGy at ∼150 Gy/h), the effect of the irradiation in Eurobitum was found to be small and was, in any case, smaller than for samples heated for three hours at 130°C in air.",

keywords = "Bituminised waste products, Eurobitum, Ageing, Radio-oxidation, Gamma irradiation",

author = "Fabian Rorif and Elie Valcke and Patrick Boven and Hans Ooms and Jef Peeters and Steven Smets",

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Rorif, F, Valcke, E , Boven, P , Ooms, H, Peeters, J & Smets, S 2006, Ageing of eurobitum bituminised radioactive waste under gamma irradiation. in 29th International Symposium on the Scientific Basis for Nuclear Waste Management XXIX. Materials Research Society Symposium Proceedings, vol. 932, Materials Research Society, Warrendale, United States, pp. 689-696, 2005 - MRS , Gent, Belgium, 2005-09-12. https://doi.org/10.1557/proc-932-47.1

Ageing of eurobitum bituminised radioactive waste under gamma irradiation. / Rorif, Fabian; Valcke, Elie ; Boven, Patrick et al.
29th International Symposium on the Scientific Basis for Nuclear Waste Management XXIX. Warrendale, United States: Materials Research Society, 2006. p. 689-696 (Materials Research Society Symposium Proceedings; Vol. 932).

Research output › peer-review

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AU - Valcke, Elie

AU - Boven, Patrick

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AU - Peeters, Jef

AU - Smets, Steven

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AB - The extent of the physico-chemical processes of concern in the study on the acceptability of the Belgian Eurobitum bituminised waste for underground disposal will depend on the degree of ageing of the bituminous matrix. Therefore, the ageing of non-radioactive simulates of Eurobitum under gamma irradiation was studied both in the presence and absence of oxygen. Chemical changes in the bitumen structure were measured in the mid-infrared region with the attenuated total reflectance infrared technique (ATR/FTIR) and evaluation of the peaks at 1700 cm-1 (C=O) and 1600 cm-1 (C=C). Even for the highest total absorbed doses (∼800 kGy at ∼150 Gy/h), the effect of the irradiation in Eurobitum was found to be small and was, in any case, smaller than for samples heated for three hours at 130°C in air.

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Rorif F, Valcke E , Boven P , Ooms H, Peeters J, Smets S. Ageing of eurobitum bituminised radioactive waste under gamma irradiation. In 29th International Symposium on the Scientific Basis for Nuclear Waste Management XXIX. Warrendale, United States: Materials Research Society. 2006. p. 689-696. (Materials Research Society Symposium Proceedings). doi: 10.1557/proc-932-47.1