Gold extraction - WikipediaGold extraction refers to the processes required to extract gold from its ores. This may require a . The processing techniques can include grinding, concentration, roasting, and pressure oxidation prior to cyanidation. .. Organic carbon present in gold ore may adsorb dissolved gold-cyanide complexes in much the same way.grinding carbon to get the gold out,Ultra Fine Grinding - A Practical Alternative to Oxidative . - IsaMilloperated an ultra fine grinding (UFG) circuit to supplement its roaster capacity for the . process at KCGM as a non oxidative treatment for the extraction of gold from a . In certain cases, these additional costs may make an .. Caution should be exercised with the practice of screen sizing out the coarse particles and.
grinding carbon to get the gold out