More than one in Mendoza raised their eyebrows when hearing about a system to extract gold within the framework of Law 7,722, a rule that prohibits the use of cyanide, mercury, sulfuric acid, and other toxic substances in metal mining.
Australian mineral processing equipment company Gekko Systems and Singapore’s Clean Earth Technologies (CET) have announced they are to work together in order to develop technologies that will make gold processing cyanide and acid-free.