Multi-stage calcining method for neodymium iron boron waste

The invention discloses a neodymium-iron-boron waste multi-stage calcination method which specifically comprises the following steps: (1) a high-temperature calcination stage: putting neodymium-iron-boron waste into a calcination furnace, introducing air, performing high-temperature calcination on t...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	QIU CHENG, LIU WEIHUA, LIU JIANYE, GUO ZHEN, LI WENKAI, LIU LONGDA, CHENG CHENG, LU XIAOHUI, QIU BANGWEN, LIAO ZHENHUI, ZHONG BIN, LI QIAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CHEMISTRY COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F FERROUS OR NON-FERROUS ALLOYS INORGANIC CHEMISTRY METALLURGY PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS TREATMENT OF ALLOYS OR NON-FERROUS METALS
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