Researchers Convert Toxic Yellowknife Mine Waste into 99% Pure Arsenic Metal
Researchers have successfully converted a sample of arsenic dust from the Giant Mine in Yellowknife into metallic arsenic with over 99% purity. The process involves dissolving the dust in a lye solution and using a reducing agent to precipitate the metal. This lab-scale breakthrough offers a potential path to repurposing hazardous waste for electronics manufacturing, though scaling the process and achieving semiconductor-grade purity remain significant challenges.