A trial of extracting gold from stream sediment and High Au/Ag ore ...
A trial of extracting gold from stream sediment and High Au/Ag ore ...
A trial of extracting gold from stream sediment and High Au/Ag ore ...
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Man-made<br />
pollution<br />
• <strong>gold</strong>-mercury amalgamation<br />
Even in m<strong>ore</strong> recent times, mercury<br />
has been employed to extract <strong>gold</strong> in<br />
the small-scale mining. (e.g.<br />
Philippine, Brazil). Procedure <strong>from</strong><br />
creating amalgams with mercury<br />
through heating to drive <strong>of</strong>f mercury,<br />
results in a large number <strong>of</strong><br />
POISONINGs that attack to local<br />
people.<br />
View <strong>of</strong> high-grade Hg <strong>sediment</strong>s at the river (Murao, 2003).
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