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lNTtRNATiON It <br /> MASS BALANCE ANALYSIS <br /> - Wine Cup Motor Coach Resort Wastewater Treatment Plant- <br /> Wine Cup Motorcoach Resort Wastewater Treatment Facilities <br /> 25,000 gpd @ Average Dry Weather Flow <br /> II. Process Design Calculation <br /> 2.1 Secondary Treatment System <br /> 2.1.1 Flow Chart and Mass Balance Analysis <br /> FLOW CHART <br /> Internal Recycle <br /> Raw Sewage MBBR MBBR DAF <br /> Influent(RW) Influent(MRM) ElABMt JFS.Ud <br /> t(DAFE) <br /> (J) (1). (3) (4) <br /> tBac—A W.--- Wued(SW) <br /> (BWW)(7) (10) <br /> 2.1.2 Parameter: <br /> Lift Pumps <br /> No.of pump: 2 <br /> Flow: 80 gpm <br /> Head: 20 ft <br /> Power: 0.75 hp <br /> Inlet Screen/EO Tank <br /> No.of units 1 <br /> Net size 2-5 mm <br /> Flow capacity 120 gpm <br /> No.of units 1 <br /> Each EQ tank volume <br /> Total EQ tank volume 1,257 gallons <br /> Equalization time 1.2 hr <br /> Anoxic Zone: <br /> Internal recycle ratio 2.2 <br /> Nitrate fed to anoxic zone 4.4 Ib-NO3-N/d <br /> F/M 2.00 g-BOD,/g-MLVSS <br /> MLVSS 3,000 mg/L <br /> MLSS 3,750 mg/L <br /> MLVSS/MLSS 0.80 <br /> Total required operational reactor volume,V 195 ft' <br /> 1,458 gallons <br /> No.of units 1 <br /> Water depth,H 6 ft <br /> Operational volume of each train 1,257 gallons <br /> Total operational volume,V 1,257 gallons <br /> Hydraulic retention time,HRT 1.2 hr <br /> Specific denitrification rate,SDNR 0.20 g-NO3 N/g-MLVSS.d <br /> Nitrate could be reduced,NO, 6.3 Ib-NO3 N/d <br /> Oxygen supplied by nitrate reduction 15.9 Ib-01/d <br /> Check Alkalinity <br /> Alkalinity consumed for nitrification 232 mg/L as CaCO3 <br /> Mass Balance-SNdN Appendix-i-3 of 18 08/22/07 <br />