New interpretation of Cs sorption behavior on clay minerals in Fukushima by multiple utilization on quantum beam

Yaita, Tsuyoshi

Sorption mechanisms of radioactive cesium on weathered biotite (WB) that is regarded as a dominant adsorbent in Fukushima soil was clarified using synchrotron based EXAFS, DXAFS, SAXS and STXM methods. It was found that Cs adsorbed on the weathered biotite and stabilized within several ten seconds after dehydration process, and also the chemical bond properties between cesium and WB presents the covalent nature in addition to ionic interaction.

Language	:	English
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Meeting title	:	15th International Congress of Radiation Research (ICRR 2015)
Held date	:	2015/05
Location (city)	:	Kyoto
Location (country)	:	Japan
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Keywords	:	減容化; セシウム; 吸脱着; 放射光; 福島第一原子力発電所事故; Fukushima Daiichi Nuclear Power Station Accident
Research Facility	:	SPring-8(大型放射光施設)
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Registration No. : BB20152327
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