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 ...
Chinese scientists have developed a rapid e-waste mining method that extracts gold in under 20 minutes at around one-third of ...
Refractory gold ores present significant challenges to conventional extraction methods. In these ores, gold is tightly encapsulated within sulphide minerals or locked by carbonaceous matter, thereby ...
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