Dundee Sustainable Technologies canada chlorination instead of cyanidation , helping to provide a closed-loop process with recycling of reagents and water , eliminating the need for tailings ponds and the risks of containment collapse .
In addition , the new technology not only shortens the processing time of gold extraction ( hours instead of days ) but it also provides lower capital costs .
“ The technology opens up opportunities for companies who can ’ t get permits and metallurgical licenses in their country ,” says Lemieux . “ Our technology meets the environmental regulations for countries around the world and has proven to be an environmental asset for mining companies .”
Over the last 10 years , Dundee has tested over 50 different gold deposits using chlorination instead of cyanide and tests have consistently shown gold recoveries are in excess of 90 percent . In addition , tailings from the process have proven to be de-voided of toxic substances and as a result meet environmental standards .
By using the same sustainable approach to gold extraction , the company has been able to develop other innovative technologies for the
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