Development of JAEA sorption database (JAEA-SDB); Update of sorption/QA data in FY2019

Sugiura, Yuki ; Suyama, Tadahiro*; Tachi, Yukio

Sorption behavior of radionuclides (RNs) in buffer materials, rocks and cementitious materials is one of the key processes in a safe geological disposal. This report focuses on updating of JAEA sorption database (JAEA-SDB) as a basis of integrated approach for the performance assessment (PA)-related distribution coefficient (K $_{rm d}$ ) setting and development of mechanistic sorption models. K $_{rm d}$ data and their quality assurance (QA) results were updated by focusing on the following systems as potential needs extracted from our recent activities on the K $_{rm d}$ setting and development of mechanistic models, i.e., clay minerals, sedimentary rocks and cementitious materials. As a result, 6,702 K $_{rm d}$ data from 60 references were added and the total number of K $_{rm d}$ values in JAEA-SDB reached 69,679. The QA/classified K $_{rm d}$ data reached about 72% for all K $_{rm d}$ data in JAEA-SDB.

Language	:	English
Report No.	:	JAEA-Data/Code 2019-022
Pages	:	40 Pages
Publication Year/Month	:	2020/03
Patent information	:
PDF	:	JAEA-Data-Code-2019-022.pdf:2.22MB
Paper URL	:	https://doi.org/10.11484/jaea-data-code-2019-022
Keywords	:	Database; Sorption; Kd; Clay minerals; Sedimentary Rocks; Cementitious Materials; Parameter Setting; Geological Disposal
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Registration No. : DC20190022
JAEA Abstracts No. : 48000329

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