PROCESSING

No cyanide, no problem

RESEARCHERS at Curtin University in Western Australia have come up with a leaching process for gold extraction that does not use cyanide.

 Gold leaching without cyanide

Gold leaching without cyanide

As part of an eight-year study Curtin University researchers developed an improved glycine leaching technology that enhances the leaching rates for gold ore without using cyanide, a highly toxic chemical...

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