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FLSmidth USA,Inc. <br /> 7158 S FLSmidth Drive•Midvale• UT 84047-5559• USA MS M ' D T D <br /> Filtration Rate vs. Cake Moisture <br /> Ouray - Revenue Mine <br /> 500 _ __ <br /> Zinc Rougher Tailings <br /> 450 <br /> 400 -- <br /> N 350 - -- <br /> ------ <br /> 250 <br /> oc <br /> 200 <br /> 150 a <br /> l fi <br /> 100 ---- - 1 <br /> — <br /> i <br /> 12% 13% 14% 159/6 16% 17% 1&'/� 19% 20% 2 1% 22% <br /> Cake Moisture, wt°,�, <br /> --e--T1: 50mm Cake, 9.7bar Feed -w-T2: 50mm Cake, 15.5bar Feed <br /> _=--T3: 32mm Cake 9.7bar Feed -+-T4: 32mm Cake 15.5bar Feed <br /> Figure 12: Filtration Rate vs. Cake Moisture - All Tests <br /> Testing produced incompressible, well consolidated cakes with no visible cracks or moisture <br /> pockets and the cake released well from the filter media. Figure 13 and Figure 14 show well <br /> consolidated cakes generated from testing. Figure 15 offers a visual inspection of the 18-oz <br /> felt media directly following the cake discharge. <br /> IL <br /> b <br /> r <br /> j <br /> Y• <br /> Figure 13: Generated Filter Cake: Test i - 50-mm Cake <br /> Page 1 19 <br />