Interesting Engineering on MSN
Chinese scientists recover 98% of gold from old phones in 20 minutes at low cost
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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