METHOD OF EXTRACTION OF MOLYBDENUM FROM MOLYBDENUM-CONTAINING CINDER

FIELD: hydro-metallurgy of rare-earth metals; processing of molybdenum-containing cinders. ^ SUBSTANCE: proposed method includes treatment of cinder with potassium carbonate and nitrate solution at the following ratio (by mass): K2CO3:Mo, 1.1-1.2 and KNO3 : (MoO2+MoS2), 2.7-2.8. Leaching-out process...

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Hauptverfasser:	VODOP'JANOV ADRIAN GEORGIEVICH, KOZHEVNIKOV GEORGIJ NIKOLAEVICH, SITDIKOV FARIT GABDULKHANOVICH
Format:	Patent
Sprache:	eng ; rus
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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Beschreibung
Zusammenfassung:	FIELD: hydro-metallurgy of rare-earth metals; processing of molybdenum-containing cinders. ^ SUBSTANCE: proposed method includes treatment of cinder with potassium carbonate and nitrate solution at the following ratio (by mass): K2CO3:Mo, 1.1-1.2 and KNO3 : (MoO2+MoS2), 2.7-2.8. Leaching-out process is carried out in one stage at extraction of molybdenum to solution from cinder up to 98.7%. ^ EFFECT: enhanced efficiency of extraction of molybdenum; facilitated leaching-out procedure. ^ 1 tbl, 8 ex