Dundee Sustainable Technologies proprietary gold extraction method eliminates environmental problems related to gold processing.
Earlier this month Barrick acknowleged that due to faulty valves, cyanide used in the extraction of Gold managed to leak into local water supplies.
Mining.com just reported – “An Argentine judge ruled Wednesday that gold leaching processes at Barrick Gold Corp’s (TSX, NYSE:ABX) Veladero mine should remain suspended for another 30 days until authorities can determine whether there was environmental damage from a cyanide leak triggered by a faulty valve.” view full article
It is for reasons such as the aforementioned that Dundee Sustainable Technologies’ gold extraction process is revolutionary for the gold mining community and the environment.
About Dundee Sustainable Technologies (DST:CSE), a company controlled by Dundee Corporation
DST is engaged in the development of technologies for the treatment of refractory ores containing sulfides and arsenic. DST has developed proprietary hydrometallurgical processes, and owns the related patents, for the extraction of precious and base metals from ores, concentrates and tailings, which cannot be extracted with conventional processes because of metallurgical issues or environmental considerations.
DST’s patented approach provides a cyanide-free process to allow the exploitation of gold and other deposits that would otherwise face metallurgical issues with conventional methods. The primary benefits of the innovative technology are shorter processing times, a closed-loop operation eliminating the need for costly tailings pond, reduced environmental footprint related to inert and stable characteristics of the tailings, and lesser emissions due to lower energy consumption.
The process developed by DST is a recognized “green technology” for which it was awarded a $5.7 million grant towards the construction and operation of a $25 million demonstration plant. With a capacity of 15 tonnes per day of concentrate, the demonstration plant will serve as a proof of concept for the chlorination extraction technology on an industrial scale and under continuous operating conditions.
DST has tested several different gold deposits, both oxide and sulfide ores at the lab level and at its pilot plant. These tests have, consistently achieved gold recoveries in excess of 90{92d3d6fd85a76c012ea375328005e518e768e12ace6b1722b71965c2a02ea7ce}, using chlorination instead of cyanide.
For more about Dundee Sustainable Technologies visit their website: http://www.dundeetechnologies.com/