METHOD OF RECOVERING LITHIUM FROM FLUORINE-CONTAINING CONCENTRATES

METHOD OF RECOVERING LITHIUM FROM FLUORINE-CONTAINING CONCENTRATES

FIELD: metallurgy. SUBSTANCE: invention, in particular, relates to recovering lithium from fluorine-containing mica concentrates and comprises defluorination of concentrates accomplished by activation with electromagnetic pulses in microwave frequency range (at frequency 2450 MHz) in air atmosphere,...

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Hauptverfasser: RAKHINSKIJ SERGEJ, ANUFRIEVA S.I, SAJDAKOVSKIJ LAZAR, KONYSHEV N.M, PETROVA N.V, DONCHENKO V.A, LIKHNIKEVICH E.G
Format: Patent
Sprache:eng ; rus
Schlagworte:
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
PRETREATMENT OF RAW MATERIALS
PRODUCTION AND REFINING OF METALS
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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creator RAKHINSKIJ SERGEJ
ANUFRIEVA S.I
SAJDAKOVSKIJ LAZAR
KONYSHEV N.M
PETROVA N.V
DONCHENKO V.A
LIKHNIKEVICH E.G
description FIELD: metallurgy. SUBSTANCE: invention, in particular, relates to recovering lithium from fluorine-containing mica concentrates and comprises defluorination of concentrates accomplished by activation with electromagnetic pulses in microwave frequency range (at frequency 2450 MHz) in air atmosphere, effect duration time being 30 min. Then follows caking with uptake of 0.8 wt parts of lime and 0.75 wt parts of gypsum per 1 wt part of concentrate. Caking is carried out for 2 h at 750-800 C. EFFECT: improved technical and economical characteristics due to increased nickel recovery, reduced reagent consumption, and lowered temperature. 3 cl, 3 tbl
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subjects CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
PRETREATMENT OF RAW MATERIALS
PRODUCTION AND REFINING OF METALS
TREATMENT OF ALLOYS OR NON-FERROUS METALS
title METHOD OF RECOVERING LITHIUM FROM FLUORINE-CONTAINING CONCENTRATES
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