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TABLE 7.2.1.1 <br />Liquid Processes Design Criteria, Existing and 2025 Capacity Needs <br />MWMG Facilities Plan, Eugene-Spnngfield <br /> <br /> Unit Process Existing Criteria/Conditions Year 2025 <br /> <br />Number of Hypochlorite Pumps for Primary NA 2 <br />Diversion Flow <br />Hypochlorite Usage <br /> Average Dose NA 7,0 mg/L <br /> Average @ WWPH NA 8,960 gal/day <br />Bisulfite Dechiorination (primary diversion flow stream) <br /> <br />Solution Strength (assumed) NA 38% <br />Chlorine Residual (assumed) NA 2 trig/I_~ <br />Number of Bisulfite Pumps for Primary NA 2 <br />Diversion Flow <br />Bisulfite Usage <br />Average Dose NA 1.1 mg/L <br />Average @ WWPH NA :~41,'galJday <br />ODOR CONTROL <br /> <br />Type Organic Media NA <br />Ceils 3 NA <br />Capacity, Each/Total 15,000 cfm/18,000 cfm NA <br />Bioscrubbers <br />Number oi Bioscrubbers NA 5 <br />Number of Exhaust Fan NA 5 <br />Vessel Maximum Diameter NA 14 feet <br />Capacity, Each/Total NA 8,200 cfm/41,000 cfm <br />Minimum Gas Residence Time NA 12 seconds <br />Maximum Gas Loading Rate NA 60 cfm/~ <br />Minimum Media Depth NA 12 feet <br />Media Type NA Porous Volcanic Rock <br />Media Size NA 0.75 to 1,5 inches <br />Media Pressure Drop NA 0.3 ~nches WC/ft <br />Minimum Inlet temperature NA 50 °F <br />Maximum inlet temperature NA 100 DF <br />Scrubbant Rec~rculation Rate NA 0,0236 gpm/cfm <br />Basin pH setpoint NA 2 0 <br />Makeup Water Source NA Secondary Effluent <br />Inlet Hydrogen Sulfide Concentration NA 5 ppm <br />OUTFALL <br />Outfall Control Structure <br />Type 1 Bank Outfall 1 Bank Outfall <br /> 1 Submerged Outfall 1 Submerged Outfall <br />Bank Outfall Diameter 84 inch 84 inch <br />Submerged Outfall Diameter 96 inch 96 inch <br /> Diffuser 96-inch Out'fall <br /> on <br /> Submerged <br /> <br /> MWMC_TABLE 72 I-I_REV7.DOC 7 <br /> <br /> <br />