Diffusion behavior of humic acid in compacted bentonite, 2; Effect of dry density and ionic strength on the diffusion behavior

Iijima, Kazuki ; Kurosawa, Seiichi*; Tobita, Minoru*; Kibe, Satoshi*

Diffusion behavior of humic acid in compacted bentonite was investigated by through-diffusion experiments under the conditions with various dry density and NaCl concentration. Limitation of filtration effect of the compacted bentonite with 1.2 Mg m $^{-3}$ of dry density in 1 mol dm $^{-3}$ of NaCl solution is around 3,000 of molecular weight, based on the molecular weight distribution of humic acid before and after the experiment measured by size exclusion chromatography.

Language	:	Japanese
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Meeting title	:	日本原子力学会2008年春の年会
Held date	:	2008/03
Location (city)	:	吹田
Location (country)	:	日本
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Keywords	:	no keyword
Research Facility	:	ENTRY(地層処分基盤研究施設)
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Registration No. : BB20073097
JAEA Abstracts No. :
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