Conversion technique of salt wastes generated in pyrochemical reprocessing into oxide

Sato, Fuminori ; Myochin, Munetaka; Terunuma, Hitoshi*; Arai, Osamu*

Oxide conversion of molten salt wastes in pyrochemical reprocessing was studied as a pre-treatment of vitrification. A new method using boron oxide and water vapor was suggested from consideration of a conventional method using boric acid (H3BO3) by chemical equilibrium calculation. Applying the new method for NaCl-CsCl salt in a small-scale experiment, it was confirmed that the most of the salt was converted to oxide and the amount of the oxide wastes after the treatment could be reduced by 20% compared with the conventional method.

Language	:	English
Journal	:	Proceedings of International Conference on Nuclear Energy System for Future Generation and Global Sustainability (GLOBAL 2005) (CD-ROM)
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Pages	:	4 Pages
Publication Year/Month	:	2005/10
Meeting title	:	International Conference on Nuclear Energy System for Future Generation and Global Sustainability (GLOBAL 2005)
Held date	:	2005/10
Location (city)	:	Tsukuba
Location (country)	:	Japan
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Keywords	:	no keyword
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Registration No. : 08-2005-0501
JAEA Abstracts No. :
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