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ガラス固化プロセスにおけるルテニウム化合物の化学形態調査,4; Ru-La-Na混合硝酸塩とガラス原料の反応によるRuO$$_{2}$$生成

Investigation of the chemical form of ruthenium compounds in the vitrification process, 4; RuO$$_{2}$$ generation by reaction with Ru-La-Na mix nitrates and raw materials for vitrification

永井 崇之; 小林 秀和; 岡本 芳浩; 佐藤 修彰*; 猪瀬 毅彦*; 佐藤 誠一*; 畠山 清司*; 関 克巳*

Nagai, Takayuki; Kobayashi, Hidekazu; Okamoto, Yoshihiro; Sato, Nobuaki*; Inose, Takehiko*; Sato, Seiichi*; Hatakeyama, Kiyoshi*; Seki, Katsumi*

ガラス固化プロセスでは、廃液から生成したRu化合物がガラス原料と反応し、RuO$$_{2}$$結晶が成長すると推定されることから、Ru-La-Na混合硝酸塩とガラス原料を添加して加熱し、RuO$$_{2}$$の生成状況を確認した。

It is thought that a generated ruthenium compound grows from a high level radioactive liquid waste into RuO$$_{2}$$ crystal by reacting to raw materials for the vitrification process. In this study, the generation reaction to RuO$$_{2}$$ was confirmed by heating Ru-La-Na mix nitrates and the raw materials.

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