An independent review says last year's spill of millions of tonnes of cyanide-soaked ore at a Yukon gold mine unfolded in ...

Scientists at Flinders University developed a safe, sustainable way to extract gold from e-waste and ore - without mercury or cyanide.

A new gold extraction method turns old electronics into treasure using pool disinfectant and sunlight — no poisons required.

The court-appointed receiver of a Yukon gold mine that suffered a catastrophic heap-leach facility failure last year says it ...

The gold is mixed with the sodium cyanide which leads to the following Elsener’s equation and reaction.This is done to make soluble gold; Now the gold is soluble.This method of making soluble gold is ...

LEADVILLE, Colo., December 10, 2024--CJK Milling Company, LLC (CJK) is excited to announce the elimination of cyanide in our mill extraction process. "We listened to the concerns of the Leadville ...

Notably, the leaching time has been significantly reduced from 18 hours with cyanide to just 6 hours using the Extrakt leaching technology, leading to increased throughput and improved efficiency.

Mercury, cyanide found in water near Yukon gold mine disaster: government By Ashley Joannou The Canadian Press Posted October 12, 2024 12:02 pm Updated October 12, 2024 12:08 pm ...

In 1998, voters in Montana banned cyanide heap-leaching, a process developed to leach gold from lower-grade ore. That same year Pegasus Gold filed for bankruptcy.

“It’s incredibly concerning that DEQ would transfer a permit, authorizing a new company to operate a cyanide-gold leach mine based on a 25-year-old Environmental Assessment,” Gestring said.