Fine Gold Recovery with EXTRAC-TEC HPC Machinery -- www.extrac-tec.com

EXTRAC-TEC HPC machines reliably recover gold from nugget-size down to ultra-fine particles so small that they suspend on the water surface when cleaning concentrate.
This video shows cleaning of concentrate produced by an HPC-30 from an operation washing Alluvial Gravels at a throughput of approximately 20-25 tons/hour.
At this throughput and at higher process rates, the HPC-30 reliably and consistently recovers 95 - 98% of the Gravity Recoverable Gold.
It is remarkable to see that even the smallest gold partcles are captured. These particles are so small that even with careful hand-panning of the concentrate it is difficult to retain them as they suspend on the water surface and flow with the water.