– Extraction and recovery of gold cyanide
– Flow sheet: gold extraction and purification from tailings pond streams
– Flow sheet: gold recovery and purification from Merrill – Crowe solution
– Extraction and recovery of copper from cyanide solutions
– Flow sheet: gold and copper recovery and purification process for high copper ores
– Extraction and recovery of base metal cyanides (Cu, Fe, Ni, Zn)
– Gold extraction from thiosulfate matrices