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cip gold processing plant for sale . cip gold processing plant hot sale in papua new guinea. gold cil cip gold leaching process explained ccd. mar 17 cyanide is a lixiviant or reagent that is used to leach often in tanks gold from a solid matrix and form a gold cyanide complex the gold cyanide complex is then extracted from the pulp or slurry by adsorption onto activated carbon cil stands for