METHOD FOR DISSOLVING RARE EARTH OXALATE

To dispense with a step of oxidizing and calcining rare earth oxalate and efficiently render it easily soluble.SOLUTION: A method for dissolving rare earth oxalate, has a dissolving step of heating rare earth oxalate, together with a first acidic oxidizer, in aqueous solution containing a second oxi...

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Bibliographische Detailangaben
Hauptverfasser:	HOSHI HIROYUKI, KOBAYASHI YASUKO, FURUSAWA KATSUYOSHI, SAEKI TOMONORI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	CHEMISTRY FERROUS OR NON-FERROUS ALLOYS METALLURGY PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	To dispense with a step of oxidizing and calcining rare earth oxalate and efficiently render it easily soluble.SOLUTION: A method for dissolving rare earth oxalate, has a dissolving step of heating rare earth oxalate, together with a first acidic oxidizer, in aqueous solution containing a second oxidizer.SELECTED DRAWING: Figure 1 【課題】希土類しゅう酸塩の酸化焙焼工程を省略し、効率的に易溶性化する。【解決手段】希土類しゅう酸塩の溶解方法であって、希土類しゅう酸塩を、酸性である第１の酸化剤とともに、第２の酸化剤を含む水溶液中で加熱する溶解工程を含む。【選択図】図１