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FLSmidth USA,Inc. <br /> 7158 S FLSmidth Drive • Midvale • UT 84047-5559 • USA M ' D T H <br /> Flax irate vs. solids concenb-ation <br /> Revenue Mine - Ouray Project <br /> ZVA Ro TailingS <br /> 60 — -- _ <br /> s0 <br /> rs <br /> 40 <br /> 3� <br /> U. <br /> t Cl <br /> 0 i <br /> 0% 4% 8% 12% 16% 2Q% <br /> Suspended Solids Concentration,wt% <br /> 1 <br /> -----+--17 9 t =1oc Lose <br /> Figure 5: Flux Testing <br /> The results indicate that an approximate suspended solids concentration of 10 to 12-wt% <br /> provides the best conditions for flocculation. It should be noted that flux rates achieved <br /> during flux testing are a relative comparison and cannot be used for final thickener sizing. <br /> 5.3 2-L Static Testing <br /> Table 5 summarizes the 2-L static test results with the settling data sheets in the Appendix <br /> D. <br /> Table 5: 2 Liter Static Test Results Summary <br /> Zn Ro <br /> Static Test Data Tailings <br /> Feed Suspended Solids wt% 10 <br /> Flocculent Dose /t 24 <br /> Initial Settling Velocity, m/hr 27.4 <br /> Underflow Retention Time min 60 <br /> Final Underflow Suspended Solids wt% 56.1 <br /> Final Overflow Clarity, m <100 <br /> 5.4 Continuous Fill Deep Tube Test <br /> Page 1 12 <br />