FRINK Linked Data Fragments server

Matches in SemOpenAlex for { <https://semopenalex.org/work/W2094628682> ?p ?o ?g. }

• W2094628682 endingPage "185" @default.
• W2094628682 startingPage "175" @default.
• W2094628682 abstract "The extent of the physico-chemical processes of concern in the study of the acceptability of Eurobitum bituminised radioactive waste for underground disposal (water uptake by hygroscopic NaNO3 – swelling – pressure build-up – NaNO3 leaching) will depend on the degree of ageing of the bituminous matrix. In the work reported here, the ageing behaviour was studied by comparing the characteristics of 25 years old radioactive Eurobitum with those of 25 years old non-radioactive Eurobitum samples that were heated or gamma-irradiated in the presence or absence of oxygen. Chemical changes in the bitumen structure were followed in the mid-infrared region with Attenuated Total Reflectance Fourier Transform InfraRed Spectroscopy (ATR-FTIR) by measuring the evolution of the band heights at 1700 cm−1 (CO functional groups) and 1600 cm−1 (CC double bonds). Needle penetration depths and ring and ball softening points were determined for some samples. Oxidation of bitumen in the presence of oxygen results in a distinct increase of both the number of CO and CC functionalities, with a positive linear relationship existing between the two groups. The production of CO functional groups seems to promote the generation of CC double bonds. Heating at 130 °C is much more efficient than gamma irradiation at low to moderate dose rates (20–140 Gy/h) to oxidise the bitumen. As the oxygen concentration decreases, for instance by diffusion limitation deeper inside the bitumen, the number of CO and CC functionalities formed per unit of time decreases. A similar behaviour was observed for 25 years old radioactive Eurobitum. In absence of oxygen, gamma irradiation still results in a small increase of the number of CO functional groups, probably by oxygen still adsorbed on the bitumen, and in a relatively higher amount of CC double bonds. The surface layer (<5 cm) of 25 years old radioactive Eurobitum was heavily oxidised. The material had become very hard and brittle, and was full of small fissures. Due to these fissures, radio-oxidation processes took also place deeper inside the waste. The consequences of these observations for the long-term behaviour of Eurobitum in underground disposal conditions are discussed." @default.
• W2094628682 created "2016-06-24" @default.
• W2094628682 creator A5042915104 @default.
• W2094628682 creator A5061763675 @default.
• W2094628682 creator A5073264358 @default.
• W2094628682 date "2009-08-01" @default.
• W2094628682 modified "2023-10-18" @default.
• W2094628682 title "Ageing of EUROBITUM bituminised radioactive waste: An ATR-FTIR spectroscopy study" @default.
• W2094628682 cites W2004779161 @default.
• W2094628682 cites W2007355122 @default.
• W2094628682 cites W2017108328 @default.
• W2094628682 cites W2017226590 @default.
• W2094628682 cites W2020370682 @default.
• W2094628682 cites W2045117818 @default.
• W2094628682 cites W2058169774 @default.
• W2094628682 cites W2084531990 @default.
• W2094628682 cites W2114930939 @default.
• W2094628682 cites W2127517701 @default.
• W2094628682 cites W2312984816 @default.
• W2094628682 cites W2325857518 @default.
• W2094628682 doi "https://doi.org/10.1016/j.jnucmat.2009.06.001" @default.
• W2094628682 hasPublicationYear "2009" @default.
• W2094628682 type Work @default.
• W2094628682 sameAs 2094628682 @default.
• W2094628682 citedByCount "23" @default.
• W2094628682 countsByYear W20946286822012 @default.
• W2094628682 countsByYear W20946286822013 @default.
• W2094628682 countsByYear W20946286822017 @default.
• W2094628682 countsByYear W20946286822018 @default.
• W2094628682 countsByYear W20946286822020 @default.
• W2094628682 countsByYear W20946286822022 @default.
• W2094628682 countsByYear W20946286822023 @default.
• W2094628682 crossrefType "journal-article" @default.
• W2094628682 hasAuthorship W2094628682A5042915104 @default.
• W2094628682 hasAuthorship W2094628682A5061763675 @default.
• W2094628682 hasAuthorship W2094628682A5073264358 @default.
• W2094628682 hasConcept C111337013 @default.
• W2094628682 hasConcept C121332964 @default.
• W2094628682 hasConcept C127413603 @default.
• W2094628682 hasConcept C13965031 @default.
• W2094628682 hasConcept C153642686 @default.
• W2094628682 hasConcept C159390177 @default.
• W2094628682 hasConcept C159750122 @default.
• W2094628682 hasConcept C159985019 @default.
• W2094628682 hasConcept C160892712 @default.
• W2094628682 hasConcept C168056786 @default.
• W2094628682 hasConcept C177322064 @default.
• W2094628682 hasConcept C178790620 @default.
• W2094628682 hasConcept C185544564 @default.
• W2094628682 hasConcept C185592680 @default.
• W2094628682 hasConcept C192562407 @default.
• W2094628682 hasConcept C39432304 @default.
• W2094628682 hasConcept C42360764 @default.
• W2094628682 hasConcept C540031477 @default.
• W2094628682 hasConcept C90982505 @default.
• W2094628682 hasConceptScore W2094628682C111337013 @default.
• W2094628682 hasConceptScore W2094628682C121332964 @default.
• W2094628682 hasConceptScore W2094628682C127413603 @default.
• W2094628682 hasConceptScore W2094628682C13965031 @default.
• W2094628682 hasConceptScore W2094628682C153642686 @default.
• W2094628682 hasConceptScore W2094628682C159390177 @default.
• W2094628682 hasConceptScore W2094628682C159750122 @default.
• W2094628682 hasConceptScore W2094628682C159985019 @default.
• W2094628682 hasConceptScore W2094628682C160892712 @default.
• W2094628682 hasConceptScore W2094628682C168056786 @default.
• W2094628682 hasConceptScore W2094628682C177322064 @default.
• W2094628682 hasConceptScore W2094628682C178790620 @default.
• W2094628682 hasConceptScore W2094628682C185544564 @default.
• W2094628682 hasConceptScore W2094628682C185592680 @default.
• W2094628682 hasConceptScore W2094628682C192562407 @default.
• W2094628682 hasConceptScore W2094628682C39432304 @default.
• W2094628682 hasConceptScore W2094628682C42360764 @default.
• W2094628682 hasConceptScore W2094628682C540031477 @default.
• W2094628682 hasConceptScore W2094628682C90982505 @default.
• W2094628682 hasIssue "1" @default.
• W2094628682 hasLocation W20946286821 @default.
• W2094628682 hasOpenAccess W2094628682 @default.
• W2094628682 hasPrimaryLocation W20946286821 @default.
• W2094628682 hasRelatedWork W1967741303 @default.
• W2094628682 hasRelatedWork W2023855458 @default.
• W2094628682 hasRelatedWork W2042346162 @default.
• W2094628682 hasRelatedWork W2080782038 @default.
• W2094628682 hasRelatedWork W2199898708 @default.
• W2094628682 hasRelatedWork W2272770518 @default.
• W2094628682 hasRelatedWork W2391263502 @default.
• W2094628682 hasRelatedWork W3130766121 @default.
• W2094628682 hasRelatedWork W3159708250 @default.
• W2094628682 hasRelatedWork W3160788187 @default.
• W2094628682 hasVolume "393" @default.
• W2094628682 isParatext "false" @default.
• W2094628682 isRetracted "false" @default.
• W2094628682 magId "2094628682" @default.
• W2094628682 workType "article" @default.