PROCESSING METHOD OF GLASS SOLIDIFIED BODY

To provide a processing method of a glass solidified body capable of eluting a prescribed metal element more easily.SOLUTION: A processing method of a glass solidified body includes a first process for adding, melting and solidifying at least one of at least one kind selected from LiO and a LiO raw...

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Hauptverfasser: INOUE HIROYUKI, MAKITA ATSUYA, WATANABE YASUHIRO, CHUNG JAE YEOP
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:To provide a processing method of a glass solidified body capable of eluting a prescribed metal element more easily.SOLUTION: A processing method of a glass solidified body includes a first process for adding, melting and solidifying at least one of at least one kind selected from LiO and a LiO raw material which is decomposed to LiO when melting, and at least one kind selected from ZnO and a ZnO raw material which is decomposed to ZnO to obtain a modified glass, a second process for heat treating the modified glass to obtain a phase splitting glass, and a third process for treating the phase splitting glass with one kind of pure water, acid solution and basic solution and eluting a prescribed metal element contained in the glass solidified body.SELECTED DRAWING: Figure 2 【課題】 より簡便に所定の金属元素を溶出することができるガラス固化体の処理方法を提供すること。【解決手段】 ガラス固化体の処理方法は、ガラス固化体に、Li2O及び溶融の際にLi2Oに分解するLi2O原料から選ばれる少なくとも1種並びにZnO及び溶融の際にZnOに分解するZnO原料から選ばれる少なくとも1種の少なくともいずれか一方を添加、溶融、固化して改質ガラスを得る第1工程と、改質ガラスを熱処理して分相ガラスを得る第2工程と、分相ガラスを純水、酸性水溶液及び塩基性水溶液から選ばれるいずれか1種で処理してガラス固化体に含まれていた所定の金属元素を溶出する第3工程とを含む。【選択図】 図2