Ore sorting

Details Ore sorting Ore sorting

B - Operations, Transporting

07

C

341/56, 340/124.

B07C 5/342 (2006.01)

Patent

CA 1225137

ABSTRACT A method of ore sorting includes distinguishing ore objects or ore containing objects by the light reflected from a laser beam arranged to scan across each of the objects to be sorted. Where the surface of the object is transmitting to the light a halo is produced by certain objects caused by internal scattered reflections of the light. By monitoring the occurrence or degree of occurrences of halos clean distinction of respective objects can be made. In a particular application, the identification of the presence of quartz pebbles in rock specimens can be used for detecting and sorting gold containing objects.

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