Cs $_{2}$ O and ZrO $_{2}$ containing Cr $_{2}$ O $_{3}$ -CoO-Al $_{2}$ O $_{3}$ -Fe $_{2}$ O $_{3}$ -P $_{2}$ O $_{5}$ glasses

CsおよびZr酸化物を含有したCr $_{2}$ O $_{3}$ -CoO-Al $_{2}$ O $_{3}$ 添加鉄リン酸塩ガラス

Yano, Tetsuji*; Kishi, Tetsuo*; Nakata, Yoshiyuki*; Kofuji, Hirohide; Takeuchi, Masayuki

Solubility of caesium oxide and zirconium oxide into iron-phosphate glass was investigated, and the properties, micro- and atomic structures were analyzed. Cr $_{2}$ O $_{3}$ -CoO-Al $_{2}$ O $_{3}$ -Fe $_{2}$ O $_{3}$ -P $_{2}$ O $_{5}$ glass system has been developed for the glass matrix with high chemical durability and high loading capacity of high-level radioactive wastes, especially from the pyrochemical processing system. Encapsulation of more than 35 outer mass% of HLW oxides have been achieved in the laboratory scale melting, and it also attains much higher chemical durability than that of borosilicate glass system. In this work, we give our focus on the potential of the immobilization of Cs $_{2}$ O and ZrO $_{2}$ in this glass system.

使用言語	:	English
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発表会議名	:	International Commission on Glass Annual Meeting 2015 (ICG 2015)
開催年月	:	2015/09
開催都市	:	Bangkok
開催国	:	Thailand
キーワード	:	iron-phosphate glass; caesium oxide; zirconia; solubility

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受委託・共同研究相手機関	:	東京工業大学

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CsO and ZrO containing CrO-CoO-AlO-FeO-PO glasses

CsおよびZr酸化物を含有したCrO-CoO-AlO添加鉄リン酸塩ガラス

Cs $_{2}$ O and ZrO $_{2}$ containing Cr $_{2}$ O $_{3}$ -CoO-Al $_{2}$ O $_{3}$ -Fe $_{2}$ O $_{3}$ -P $_{2}$ O $_{5}$ glasses

CsおよびZr酸化物を含有したCr $_{2}$ O $_{3}$ -CoO-Al $_{2}$ O $_{3}$ 添加鉄リン酸塩ガラス