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FLSmidth USA,Inc. <br /> 7158 S FLSmidth Drive • Midvale • UT 84047-5559 • USA M ' D T H <br /> Cake Moisuure vs.Time <br /> Ouray- Revenue Mine <br /> 22 0% Zinc Rougher'Failings <br /> 20.0% <br /> 18.0% <br /> i <br /> 16.0% <br /> 0 <br /> d <br /> A 14.0% <br /> Li <br /> 0 1 2 3 4 5 6 7 S 9 10 g <br /> Ttme, chin <br /> -*--Ti: 50mm Cake, 9.7bar Feed -a T2: 50mm Cake, 15.5bar Feed <br /> -T3: 32mm Cake, 9.7bar Feed -w-T4: 32mm Cake, 15.5bar Feed <br /> Figure 11: Cake Moisture vs. Air Blow Time - All Tests <br /> Figure 12 presents the filtration rate versus cake moisture for all tests. The high feed <br /> pressure (15.5-bar) tests resulted in higher filtration rates at comparable moisture contents <br /> than the 10-bar tests. The filtration rate increase from high pressure filter feed was more <br /> pronounced with the 50-mm cake thickness. <br /> Page 1 18 <br />