ICCAS OpenIR
The influence of temperature on the diffusion of I-125(-) in Beishan Granite
Chen, T.; Sun, M.; Li, C.; Tian, W.; Liu, X.; Wang, L.; Wang, X.; Liu, C.
2010
Source PublicationRADIOCHIMICA ACTA
ISSN0033-8230
Volume98Issue:5Pages:301-305
AbstractChina has planned to deal with the high-level radioactive wastes (HLW) in the middle of this century with deep geologic disposal method. The release of heat from HLW may cause the rise of temperatures in the surrounding backfilling materials or even the host rock of a repository. This brings about the concerns that the temperature elevation in the host rock may change the diffusion characteristics of key radionuclides and have some unpredictable effects in the performance assessment. In this paper, the influence of temperature on the diffusion of I-125(-) in Beishan Granite is studied by through diffusion method. The effective diffusion coefficients (a) of I-125(-) in the granite from 27 to 50 degrees C are obtained and analyzed as a function of temperature. Our result indicated that the relationship between D-e and temperature can be described by the modified Nernst equation, and the formation factors (F-r) of the granite from 27 to 50 degrees C is constant with an average value of 1.03 x 10(-4).
KeywordTemperature Effect Effective Diffusion Coefficient I-125 Beishan Granite Hlw Disposal
DOI10.1524/ract.2010.1717
Indexed BySCI
Language英语
WOS IDWOS:000278871100007
PublisherOLDENBOURG VERLAG
Citation statistics
Cited Times:13[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/69040
Collection中国科学院化学研究所
Corresponding AuthorLiu, C.
AffiliationPeking Univ, Coll Chem & Mol Engn, Dept Appl Chem, Beijing Natl Lab Mol Sci, Beijing 100871, Peoples R China
Recommended Citation
GB/T 7714
Chen, T.,Sun, M.,Li, C.,et al. The influence of temperature on the diffusion of I-125(-) in Beishan Granite[J]. RADIOCHIMICA ACTA,2010,98(5):301-305.
APA Chen, T..,Sun, M..,Li, C..,Tian, W..,Liu, X..,...&Liu, C..(2010).The influence of temperature on the diffusion of I-125(-) in Beishan Granite.RADIOCHIMICA ACTA,98(5),301-305.
MLA Chen, T.,et al."The influence of temperature on the diffusion of I-125(-) in Beishan Granite".RADIOCHIMICA ACTA 98.5(2010):301-305.
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