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MEI Online: Commodities: Metallic Ores: Gold: Latest News: January 4th 2010


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:: Novel Gravity Plant Commissioned in Colombia

Knelson Gravity Solutions, in association with Appropriate Process Technologies, Johannesburg, have recently installed and commissioned a plant in Colombia for the recovery of gold and platinum from alluvial ore.

The client has a progressive fresh agenda and was desirous of a facility that was not only more efficient than the standard riffle systems being employed, but also environmentally friendly. After site testing to characterise the material, the Knelson technical team decided upon using the tried and proved Knelson CD system for simplicity whilst still satisfying the requirement for enhanced security. The APT scrubbing plant was chosen to deal with the tenacious clay content of this ore, having been developed specifically for the process.

The plant incorporates a number of novel features including a 'real time' visual assessment of production result via a Gemini Table. In this way, the grade of the source material can be assessed every four hours to confirm yield, and therefore supply grade control information back to the mining operation. The unit is entirely self contained with its own water tank and power generation. All that was required as pre-preparation was a concrete slab on site.




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