Impurity removal method for low-grade rare earth sulfate leachate

The invention discloses an impurity removal method for low-grade rare earth sulfate leachate. The method comprises the following steps that firstly, lime powder is added into the rare earth sulfate leachate under stirring, and adding of the lime powder is stopped after the pH value of the rare earth...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	YU ZHICHUN, MA ZONGYUN, ZHANG LIANGJIU, LEI LILI, WEI SHIQIANG, OU XIAOPING, LAN LINGJIANG, HUANG XINJIANG, PAN WUXIA, QIN SHIFU, ZHOU HUIRONG, JIANG ZEZUO, ZHU JINQIANG
Format:	Patent
Sprache:	chi ; eng
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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