gold ore sorting gold,Ore Sorters and Analyzers: The Technology Develops - EMJApr 16, 2014 . The authors described the work undertaken by ore sorters, then part of the RTZ group, to develop an optical sorting system for Gold Fields of.gold ore sorting gold,Developments in Ore Sorting TechnologiesJun 5, 2009 . Witwatersrand gold mines. • Optical sorters with line scan cameras – since. 1990's. • Estimated ±300* sorters in ore and minerals sorting.