METHOD OF PROCESSING SPODUMENE CONCENTRATES

FIELD: metallurgy. ^ SUBSTANCE: invention refers to method of processing spodumene concentrates. The purpose of the suggested invention is development of such method of processing spodumene concentrate. The method consists in activation of the concentrate by means of melting with lithium carbonate t...

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Hauptverfasser:	ZHUMANKOV ARDAGER ERTYNGYNOVICH, VATULIN IGOR' IGOREVICH, SAMOJLOV VALERIJ IVANOVICH, KULENOVA NATAL'JA ANATOL'EVNA, BAZHENOV ALEKSANDR ANATOL'EVICH, MIKLUSHEVSKIJ VLADIMIR VLADIMIROVICH, AGAPOV VADIM ALEKSEEVICH
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: metallurgy. ^ SUBSTANCE: invention refers to method of processing spodumene concentrates. The purpose of the suggested invention is development of such method of processing spodumene concentrate. The method consists in activation of the concentrate by means of melting with lithium carbonate taken on consideration of obtaining weight ratio SiO2/(Li2O+Na2O) in charge equal to 2.7-3.0. After activation there is performed sulphuric acid leaching of activated material. ^ EFFECT: production of sodium pure solutions of lithium sulphate further allowing deep extraction of lithium out of said solutions into lithium carbonate. ^ 2 tbl