
Developments in Ore Sorting Technologies - MINTEK
Developments in Ore Sorting Technologies 5 June 2009 Carl Bergmann ... Contents • Both conductivity and photometric sorters 1970's •Remnants of old radiometric sorters at some Witwatersrand gold mines •Optical sorters with line scan cameras –since 1990's ... Rock type ROM distribution Crusher A Crusher B Chromitite 42.89 38.39 37.58