METHOD OF PROCESSING VANADIUM-CONTAINING RAW MATERIALS

FIELD: hydrometallurgy; applicable in production of vanadium by recovery of vanadium from vanadium-containing raw materials. SUBSTANCE: method includes roasting of vanadium-containing raw materials, leaching of cinder with sulfuric acid in one stage and hydrolysis of obtained solutions. Roasting of...

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Bibliographische Detailangaben
Hauptverfasser:	KOZITSYN A.A, SHEVELEVA L.D, KHODYKO I.I, PLEKHANOV K.A, MOSJAGIN S.A, LEBED' A.B
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: hydrometallurgy; applicable in production of vanadium by recovery of vanadium from vanadium-containing raw materials. SUBSTANCE: method includes roasting of vanadium-containing raw materials, leaching of cinder with sulfuric acid in one stage and hydrolysis of obtained solutions. Roasting of raw materials is accomplished after wetting them with solution of sulfuric acid at temperature of 150-350 C. Consumption of sulfuric acid for process cycle is maintained to meet ratio by stages of roasting-leaching equal to (60-80)%:(20-40)%. EFFECT: higher recovery of vanadium into solution with lower power and reagent consumption. 2 cl, 1 tbl