Sorption Behavior of Cs onto Bentonite Colloid

Iijima, Kazuki ; Tomura, Tsutomu*; Masuda, Tsuguya*

The batch sorption and desorption experiments of Cs onto bentonite colloid were carried. The sorption data was fitted to Freundlich isotherm and distribution coefficient was obtained as about 20 m $^{3}$ /kg, which is larger than that of powdered bentonite. It might be caused by the difference of the shape of bentonite. In the desorption experiment, almost same distribution coefficient was obtained so that, at least, 30% of Cs was sorbed reversibly.

Language	:	English
Journal	:	Proceedings of 2nd International Meeting on Clays in Natural and Engineered barriers for Radioactive Waste Confinement (TOURS 2005) (CD-ROM)
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Pages	:	p.607 - 608
Publication Year/Month	:	2005/00
Meeting title	:	2nd International Meeting on Clays in Natural and Engineered barriers for Radioactive Waste Confinement (TOURS 2005)
Held date	:	2005/03
Location (city)	:	Tours
Location (country)	:	France
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Keywords	:	no keyword
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Registration No. : 08-2004-0797
JAEA Abstracts No. :
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