Should cyanide still be used in modernday mining?
Mar 07, 2016 · Other potential alternatives to cyanide include the Haber Gold Process, which technology company Haber says is both nontoxic and more efficient than conventional solvents, such as mercury and cyanide. Additionally, the cyanidefree bioalyzed leaching process from YES Technologies, is said to be 200 times less toxic than cyanide.