Dry chlorination process to produce anhydrous rare earth chlorides

Dry chlorination process to produce anhydrous rare earth chlorides

A process for producing at least one rare earth chloride from an ore containing the at least one rare earth comprises: contacting the ore containing the at least one rare earth with reactants comprising a carbonaceous reducing agent, chlorine, and a boron-containing Lewis acid in a chlorination reac...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: LANGLAIS, ALAIN, PELLETIER, PIERRE, BERGERON, MARIO, OURRIBAN, MOHAMED
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS
COMPOUNDS THEREOF
FERROUS OR NON-FERROUS ALLOYS
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
PRETREATMENT OF RAW MATERIALS
PRODUCTION AND REFINING OF METALS
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:A process for producing at least one rare earth chloride from an ore containing the at least one rare earth comprises: contacting the ore containing the at least one rare earth with reactants comprising a carbonaceous reducing agent, chlorine, and a boron-containing Lewis acid in a chlorination reactor to produce a gaseous product and a non-volatile chloride mixture comprising the at least one rare earth chloride.