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6706-031 <br />TABLE 5 <br />DESIGN OF BELT FILTER PRESSES <br />Number of Units <br />Size. each <br />Sludge Type <br />2 <br />2.0 meters <br />Waste activated blend with <br />septage (10:1 ratio) <br />Design Solids Loading. each (2 units) 600 Ib/hr-meter <br />Operating Period 6 days/week. 12 hours/day <br />Concentration of Feed Sludge 0.75 to 1.5 percent <br />(1.0 percent average) <br />Concentration of Dewatered Cake 12 percent minimum <br />15 percent 30 -day average <br />Polymer Dose 5 to 10 Ib/ton <br />Solids Capture 95 percent <br />Sludge Feed Pumps 2 (plus one standby) <br />Rating of Thickened Sludge Feed Pumps 185 gpm <br />M. VRB2/4 <br />9/12/91 <br />23 <br />