Study on recovery of useful elements from simulated radioactive liquid waste by photo-reduction

Oba, Hironori ; Saeki, Morihisa; Toshimitsu, Masaaki

The recovery characteristics of useful elements such as platinum group metals from a simulated radioactive solution by photo-reduction using an UV-vis light were experimentally examined. A 10-components simulated solution was prepared by dissolving known amounts of metallic compounds (Ru, Rh, Pd, Mo, Zr, Ba, Sr, Cs, Nd) and sodium in nitric acid of 3 mol/l. The metallic palladium was selectively recovered from the simulated solution containing TiO $_{2}$ -photocatalyst, while other elements mainly remained in solution. The recovery efficiency of Pd increased with the increase of the TiO $_{2}$ concentration and was more than 99% at a TiO $_{2}$ concentration above 2 g/l.

Language	:	Japanese
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Meeting title	:	2012年光化学討論会
Held date	:	2012/09
Location (city)	:	東京
Location (country)	:	日本
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Keywords	:	no keyword
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Registration No. : BB20121525
JAEA Abstracts No. :
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