Dissolution test on the sludge of the dissolver

Sugai, Eiji; Terunuma, Hirotaka; Otani, Takehisa; Hikita, Keiichi; Hatanaka, Akira; Samoto, Hirotaka ; Okano, Masanori ; Hayashi, Shinichiro

A dissolution test of the sludge gathered from the dissolver of Tokai Reprocessing Plant (TRP) was performed for the purpose of eliminating of the sludge, which deposited in the dissolver and clogged pipes equipped in the dissolver. In the result, the sludge consisted primarily of ZrMo $_{2}$ O $_{7}$ (OH) $_{2}$ (H $_{2}$ O) $_{2}$ and was possible to eliminate at the rate of about 80% by using NaOH and HNO $_{3}$ reagent which was commonly-used in the PUREX process. From this experimental result, it is thought that the method of using NaOH and HNO $_{3}$ reagent is effective method for the elimination of the sludge which deposited in the dissolver.

Language	:	Japanese
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Meeting title	:	日本原子力学会2009年秋の大会
Held date	:	2009/09
Location (city)	:	仙台
Location (country)	:	日本
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Keywords	:	no keyword
Research Facility	:	再処理施設
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Registration No. : BB20091069
JAEA Abstracts No. :
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