Method for efficiently recovering rare earth elements from waste mixed rare earth phosphors

The invention discloses a method for efficiently recovering rare earth elements from waste mixed rare earth phosphors. Through the process steps of low-temperature reduction roasting, water leaching impurity removal, rare earth-containing filtrate purification and aluminum removal and purified liquo...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	FENG QINGZHENG, WANG JUN, TAN LING, LIU HUANPING, LIU JIBO, LI FENGDUO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS FERROUS OR NON-FERROUS ALLOYS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS METALLURGY PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TREATMENT OF ALLOYS OR NON-FERROUS METALS
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