Extracting gold from ore is a poisonous business. The most common method is cyanide leaching, where cyanide salts in solution are used to suck the gold out from its ore. You get gold, but you also get ...
Interesting Engineering on MSN
Chinese scientists recover 98% of gold from old phones in 20 minutes at low cost
Chinese researchers have discovered a fast, low-cost and environmentally cleaner method for extracting gold ...
Forward-looking: A team of Australian researchers has unveiled a breakthrough method for extracting gold that could dramatically reduce the environmental and health hazards long associated with mining ...
Morning Overview on MSN
China recovers 98% of gold from old phones in 20 minutes, cheaply
Chinese researchers say they can now strip almost all the gold out of discarded phones and circuit boards in the time it ...
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