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/N�ERNAT/O NiIL <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 /> 2.2.2 Parameter: <br /> OF Membranes <br /> Plant Configurations <br /> No.of units 1 <br /> Membrane housing per unit 4 <br /> Element per membrane housing 1 <br /> Membrane area per element 40 m2 <br /> Total number of elements 4 <br /> Plant Specific Calculations <br /> Design net filtration flux 48.1 L/m'/h <br /> Actual net filtration flux 28.3 Um:/h <br /> Recovery rate 86.4% <br /> TSS Removal Rate 90% <br /> BODS Removal Rate 60% <br /> Total backwash wastewater 3,909 gpd <br /> Plant Settings <br /> Gross filtration flux 60 L/m'/h <br /> Filtration time 25 min <br /> CEB 1 counter 34 filtrations <br /> CEB 1 counter 1 CEB 1 <br /> CEB interval(appr.) 15 hr <br /> CEB 1-A is performed with 400 mg/L HCI,soaktime is 10 minutes. gpd <br /> CEB 2-A is performed with 200 mg/L NaCIO,soaktime is 10 minutes. <br /> Chlorine Contact Tank <br /> No.of tank 1 <br /> To meet Disinfected Tertiary Recycled Water Reouiremeots(2204 ADC 660301.230): <br /> Peaking factor 3.0 <br /> Peak design flowrate 52 gpm <br /> Model contact time,t 90 min <br /> Theoretical contact time,t 120 min <br /> Required tank volume 6,250 gallons <br /> Actual tank volume 6,336 gallons <br /> CT value 450 mg-min/L <br /> Chlorine dose @ average design flow 10 mg/L <br /> 6.3 Ib/d <br /> Chlorine dose @ peak design flow 5 mg/L <br /> 3.1 Ib/d <br /> 2.2.3 Results: <br /> Stream(5)-Treated Effluent <br /> Flow 24,833 gpd <br /> Mass <br /> BODS 1.0 Ib/d <br /> TSS 0.2 Ib/d <br /> TN 2.3 Ib/d <br /> NH3N 0.1 Ib/d <br /> Quality <br /> BODS 5 mg/L <br /> TSS 1 mg/L <br /> TN 9.5 mg/L <br /> NH3 N 0.5 mg/L <br /> Turbidity <2 NTU <br /> Mass Balance-SNdN Appendix-i-7 of 18 08/22/07 <br />