Loading ...Quebec-based Dundee Sustainable Technologies is slashing leaching time and extracting more gold without using toxic cyanide in a new process geared for mining’s future.
The trademarked process, called Clevr, uses a 2% bleach solution in leaching kinetics, the chemical reaction that separates gold from ore, to release gold within a couple of hours versus 36 hours or more in traditional cyanide leaching.
JV Article: Dundee’s cyanide-free tech cuts gold leaching time by 90%