Process for Separating Limonite and Saprolite

A method for separating nickel containing lateritic ore into limonite and saprolite fractions that includes subjecting a lateritic ore slurry to a size separation procedure to separate the limonite and saprolite fractions on a selected threshold particle size basis and determining a threshold partic...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MULLER HARALD THEOWALD, KREBS DAMIEN, REYNOLDS GRAHAM ANDREW
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS CRUSHING, PULVERISING, OR DISINTEGRATING CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL FERROUS OR NON-FERROUS ALLOYS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLIDMATERIALS OR FLUIDS METALLURGY MILLING GRAIN PERFORMING OPERATIONS PREPARATORY TREATMENT OF GRAIN FOR MILLING PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATICTABLES OR JIGS SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATICTABLES OR JIGS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	A method for separating nickel containing lateritic ore into limonite and saprolite fractions that includes subjecting a lateritic ore slurry to a size separation procedure to separate the limonite and saprolite fractions on a selected threshold particle size basis and determining a threshold particle size based on an analysis of particle size fractions by determining a particle size where substantially all of the particles having a characteristic compositional range of at least one indicator element for limonite are smaller than the determined threshold particle size, and/or substantially all of the particles having a compositional range of at least one indicator element for saprolite are larger than a determined threshold particle size.