Product Solids t/h -75um % -20um % Drainage tests (min) Solids % Cyclone sands 31.9 6.6 2.0 60min 68.5 Metso screen discharge 28.8 3.3 0.8 20min 80 Cyclone sands 31.2 7.7 2.4 50min 68.5 Metso screen discharge 28.1 3.4 0.8 15min 80 Table 4 dewatering screen pilot results Figure 8: Variation of passing below 75 µm and 20 µm between Current Sands vs Clean sands Pilot Plant – Campaign N°1 Figure 9: Variation of passing below 75 µm and 20 µm between Current Sands vs Clean sands Pilot Plant – Campaign N°1 7.00 6.57 6.00 5.00 4.00 3.33 3.25 3.00 2.00 2.00 1.24 1.00 0.76 0.00 Current sands Cyclowash Clean sands Difference Feed Product plant pilot Passing below 75 µm Passing below 20 µm um 9.00 8.00 7.00 6.00 5.00 4.00 3.00 2.00 1.00 0.00 7.72 4.28 3.44 2.36 1.54 Current sands Clean sands Difference Feed Product Plant Pilot Passing below 75 µm Passing below 20 µm
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