Sorting mined material

B - Operations – Transporting – 07 – C

Patent

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Details

B07C 5/34 (2006.01) B07B 13/00 (2006.01) B07C 5/344 (2006.01) G01N 22/00 (2006.01)

Patent

CA 2728749

A method of sorting mined material to separate the mined material is disclosed. The method comprises exposing particles of the mined material to microwave energy and heating the particles depending on the susceptibility of the material in the particles. The method also comprises thermally analysing the particles using the temperatures of the particles as a basis for the analysis to indicate composition differences between particles. The thermal analysis step includes thermally assessing particles against a background surface. The thermal analysis step also includes heating the background surface to a temperature that is different to the temperature of the particles to provide a thermal contrast between the particles and the background surface. The method also comprises sorting the particles on the basis of the results of the thermal analysis.

Linvention concerne un procédé de tri de matière minière permettant de séparer la matière minière. Le procédé comprend lexposition de particules de la matière minière à une énergie par micro-ondes et le chauffage des particules en fonction de la sensibilité de la matière dans les particules. Le procédé comprend également l'analyse thermique des particules en utilisant les températures des particules comme base pour l'analyse afin dindiquer les différences de composition entre les particules. Létape d'analyse thermique comprend l'évaluation thermique des particules contre une surface de fond. L'étape d'analyse thermique comprend également le chauffage de la surface de fond à une température qui est différente de la température des particules pour fournir un contraste thermique entre les particules et la surface de fond. Le procédé comprend également le tri des particules sur la base des résultats de l'analyse thermique.

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