MICROWAVE TREATMENT OF IRON ORE

A method of assisting the liberation of a first mineral from a particulate low grade ore containing said first mineral in a layered grain structure with at least a second mineral is provided. The method includes increasing the aspect ratio of grains of the low grade ore containing the first mineral...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	COETZER, GERRIT
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMISTRY CRUSHING, PULVERISING, OR DISINTEGRATING CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL FERROUS OR NON-FERROUS ALLOYS METALLURGY MILLING GRAIN PERFORMING OPERATIONS PREPARATORY TREATMENT OF GRAIN FOR MILLING PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	A method of assisting the liberation of a first mineral from a particulate low grade ore containing said first mineral in a layered grain structure with at least a second mineral is provided. The method includes increasing the aspect ratio of grains of the low grade ore containing the first mineral by exposing the low grade ore to microwave energy. L'invention concerne un procédé destiné à faciliter la libération d'un premier minerai par rapport à un minerai particulaire pauvre contenant le premier minerai dans une structure granuleuse en couches, ainsi qu'au moins un deuxième minerai. Le procédé selon l'invention consiste à augmenter le facteur de forme des grains du minerai pauvre contenant le premier minerai par exposition du minerai pauvre à de l'énergie de micro-ondes.