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Sludge SettlingParameters Amount,kg/hr (inlet)Total Sludge 58.8932
Sludge PropertiesDensity,kg/m3 500Volumetric Flow Rate, L/hr 117.7864Volumetric Flow Rate, m3/hr 0.1177864Volumetric Flow Rate, ft3/hr 4.15958746032394Volumetric Flow Rate, gal/day 746.780958056877
Power Requirement, KW/m3 1Power Requirement, KW 19.7881152
clearance depth, ft 1clearance depth, m 0.3048
Sludge ConditioningParameters Amount,kg/hr (inlet)Total Sludge 27.19071658662
Lime 5.438143317324Total 32.628859903944
Sludge PropertiesVolumetric Flow Rate, L/hr 56.0047595366203Volumetric Flow Rate, m3/hr 0.05600475953662Volumetric Flow Rate, ft3/hr 1.97778941785286Volumetric Flow Rate, gal/day 355.077394185597Tank Volume, m3 1.61293707465466Tank Volume, ft3 56.9603352341622
Ni, s-1 3.5
Di,m 0.39871341158118
ρ, kg/m3 975µ, N/m2-s 259.678055555556
Nre 2.08909937037447Behavior LAMINAR
Impeller type paddlek1 35
µ, N/m2-s 259.678055555556Ni, s-1 3.5Di,m 0.39871341158118
Impeller's power, W 7057.02923523272Impeller's power, KW 7.05702923523272
Tank height,ft 4.70921352261238
Sludge DewateringParameters Amount,kg/hr (inlet)Total Sludge 32.628859903944
Sludge PropertiesDensity,kg/m3 975
Volumetric Flow Rate, L/hr 33.4654973373785Volumetric Flow Rate, m3/hr 0.03346549733738Volumetric Flow Rate, ft3/hr 1.18182288513838
Volumetric Flow Rate, gal/day 212.175566648249
Sludge Volume, m3 5.62220355267958Sludge Volume, ft3 198.546244703249
Total Connected KW 246.081
Anaerobic DigesterParameters Amount,kg/hr (inlet)Total Sludge 19.5773159423664
Sludge PropertiesDensity,kg/m3 975
Volumetric Flow Rate, L/hr 20.0792984024271Volumetric Flow Rate, m3/hr 0.02007929840243Volumetric Flow Rate, ft3/hr 0.70909373108303
Volumetric Flow Rate, gal/day 127.30533998895
Ni, s-1 4Di,m 0.54183624973571
ρ, kg/m3 975µ, N/m2-s 259.678055555556
Nre 4.40925757668773LAMINAR
Impeller type paddlek1 35
µ, N/m2-s 259.678055555556Ni, s-1 4Di,m 0.54183624973571
Impeller's power, W 23132.7597597155
Impeller's power, KW 23.1327597597155Tank height,ft 6.93294414031913
Double Pipe Heat ExchangerConditions
Volumetric flowrate of cold h20, ft3/hr 0.70909373108303Temperature of cold fluid (outlet,) F 87Temperature of cold fluid (Inlet,) F 86Temperature of hot fluid (Inlet), F 115Temperature of hot fluid (outlet), F 98.6
Hot Fluid SideAverage temperature of hot fluid, F 106.8
Properties of water at Thdensity, lb/ft3 61.8086viscosity, lb/hr-ft 1.453443662k, Bru/ft-hr-F 0.36794Cp, Btu/lb-F 1
McCabe Data, Appendix 6Copper Tube Specifications
Material used CopperMultiplier 1.14Capacity at 1 ft/s velocity, lb/hr 2.99389685264969Available Capacity at 1 ft/s velocity, lb/hr 202.7BWG No 12outside diameter, in 0.7125wall thickness, in 0.12426inside diameter, in 0.46398inside cross-sectional area, ft2 0.00102942
Cold Fluid Sidemass flow rate of hot water, lb/hr 2.62622530934184Sensible heat 43.0700950732061mass flow rate of cold water, lb/hr 43.0700950732061volumetric flowrate of hot water ft3/hr 0.04225725977846Average temperature of cold fluid, F 86.5
Properties of water at Tcavedensity, lb/ft3 62.1485viscosity, lb/hr-ft 1.91762057k, Bru/ft-hr-F 0.3566Cp, Btu/lb-F 1
Cross-sectional area, ft2 0.43390512074844velocity of cold water in the annulus, ft/hr 1.63421378816622Mass Velocity, lb/hr-ft2 101.563935613848Equivalent Diameter, ft 0.03078Reynolds Number 1.63021714884622
TRANSITION
Granular Filtration
volumetric flow rate, L/hr 145.8223527mass flow rate, kg/hr 145.187588volumetric flow rate, gal/min 0.6420364665722no equipment 1
Upflow Anaerobic Sludge BlanketParameters Amount,kg/hr (inlet)
Waste Water 58.8932
COD loading(inlet), mg/LCOD loading(outlet), mg/LCOD treatent efficiency
V, L/hrOrganic loading rate, kg/m3-hr
Vtank, ft3Vtank, m3
v, m/hrhydraulic retention time, hr
Htank, ftHtank, m
SA,ft2SA,m2
Sludge SettlingAmount,kg/hr(outlet) Amount,kg/hr (bottoms)
31.70236562698 27.19071658662Inlet
Settling Tank Specifications Sludge Compositionvolume, ft3 698.810693334423 SS, kgvolume, m3 19.7881152 SE, kglength, ft 15.5 COD, kglength, m 4.7244 BOD, kgwidth, ft 5.16666666666667 Fats, kgwidth, m 1.5748 Cr, kgliquid depth,ft 6 S2-, kgliquid depth, m 1.8288 SO42-, kgblanket depth, ft 2 Cl-, kgblanket depth, m 0.6096 HCO, kg
min total depth, ft 9 Total Sludge, kgmin total depth, m 2.7432 Total Sludge, kg/hrclarifier area, ft 80.0833333333333clarifier area, m 7.43998512tank volume, ft 720.75tank volume, m 20.409367181184
Sludge ConditioningAmount,kg/hr (outlet) Density, kg/m3 Viscosity, Pa-s
32.628859903944 500 311.5793350 0.173333333333333975 259.678055555556
Sludge Conditioning Tank Specificationsvolume, ft3 47.4669460284685volume, m3 1.34411422887889tank diameter, ft 3.92434460217698tank diameter, m 1.19614023474354Static liquid height, ft 3.92434460217698Static liquid height, m 1.19614023474354Baffle width, ft 0.392434460217698
Baffle width, m 0.119614023474354
Impeller diameter, ft 1.30811486739233Impeller diameter, m 0.398713411581181Impeller disc diameter, ft 0.981086150544245 Radius of action, ftImpeller disc diameter, m 0.299035058685886 Radius of action, mImpeller blade width, ft 0.261622973478465 P/VImpeller blade width, m 0.0797426823162362Impeller blade length, ft 0.327028716848082Impeller blade length, m 0.0996783528952953Impeller distance from tank bottom, ft 1.30811486739233Impeller distance from tank bottom, m 0.398713411581181Baffle tip distance from tank bottom, ft 0.784868920435396Baffle tip distance from tank bottom, m 0.239228046948709Tank height, m 1.43536828169225
Sludge DewateringAmount,kg/hr (outlet) Amount,kg/hr (bottoms)13.0515439615776 19.5773159423664 Inlet
Sludge CompositionSludge Dewatering Tank Specification SS, kg
Drum Diameter (in Ft.) 6 SE, kgDrum Length (in Ft.) 4 COD, kgNominal Filtering Area (Sq. Ft.) 75.4 BOD, kgOverall Filter Skid Size (WxL) 9'8" x 9'9" Fats, kgOverall Aux. Skid Size (WxL) 7' x 13' Cr, kgMaximum Height 8' - 6' S2-, kgMaximum Height Estimated Shipping Weight (lbs.) 9200 SO42-, kg Total Connected Horsepower 33 Cl-, kgSludge Dewatering Tank, m3 8.5403609321472 HCO, kgSludge Dewatering Tank, ft3 301.6 Lime, kg
Total Sludge, kgAnaerobic Digester Total Sludge, kg/hr
Amount,kg/hr (upflow)CO2, kg 14.3475267205679
Methane, kg 5.22982182240452
Anaerobic Digester Specificationsvolume, ft3 119.127746821949volume, m3 3.37332213160775 Radius of action, fttank diameter, ft 5.33303395409164 Radius of action, mtank diameter, m 1.62550874920713 P/VStatic liquid height, ft 5.33303395409164Static liquid height, m 1.62550874920713Baffle width, ft 0.533303395409164 InletBaffle width, m 0.162550874920713 Sludge CompositionImpeller diameter, ft 1.77767798469721 SS, kgImpeller diameter, m 0.54183624973571 SE, kgImpeller disc diameter, ft 1.33325848852291 COD, kgImpeller disc diameter, m 0.406377187301783 BOD, kgImpeller blade width, ft 0.355535596939443 Fats, kgImpeller blade width, m 0.108367249947142 Cr, kgImpeller blade length, ft 0.444419496174303 S2-, kgImpeller blade length, m 0.135459062433928 SO42-, kgImpeller distance from tank bottom, ft 1.77767798469721 Cl-, kgImpeller distance from tank bottom, m 0.54183624973571 HCO, kgBaffle tip distance from tank bottom, ft 1.06660679081833 Lime, kg
Baffle tip distance from tank bottom, m 0.325101749841426 Total Sludge, kgTank height, m 2.11316137396927 Total Sludge, kg/hr
Double Pipe Heat Exchanger
volumetric flowrate of hot h20 ft3/hr 0.0422572597784634
Hot Fluid Side
Ranges of Properties of water at ThTemperatures
100 120density, lb/ft3 62 61.71viscosity, lb/hr-ft 1.6498262 1.3522769k, Bru/ft-hr-F 0.362 0.371
Mean velocity, ft/hr 0.0156204286031189Mass Velocity, lb/hr-ft2 0.965476823358738Reynolds Number 0.0256839410781136 LAMINAR
hi, Btu/hr-ft2-F(ft1/3) 0.1080703994125896.46309792992626
BWG No 18outside diameter, in 0.855wall thickness, in 0.05586inside diameter, in 0.74328inside cross-sectional area, ft2 0.0026448
Cold Fluid Side
Ranges of Properties of water at Tcave Temperatures90 100
density, lb/ft3 62.11 62viscosity, lb/hr-ft 1.8481924 1.6498262k, Bru/ft-hr-F 0.358 0.362
ho, Btu/hr-ft2-F 697.05699412975 11.1707846379377
Overall Heat Transfer Coefficient 7.91519915451446 Operating TempMean Temperature Difference, F 19.2859756680417 Temp, F
Wall Resistance 0.00225497406505613k copper, Btu/ft-hr-F
Thermal conductivity, copper
Tube Length, ft 45.42 Tube Length, ft per rowTube Length, m 13.8441162327487 Tube Length, m per row
L/D 53.1225456566103 Tube Spacing, ft per rowno of rows 10 Tube Spacing, m per row
Granular Filtration
0.025681458662888
Upflow Anaerobic Sludge BlanketAmount,kg/hr(outlet) Amount,kg/hr (bottoms)
8.83398 50.05922
Inlet OutletSludge Composition % Sludge Composition
115.99934474 8.2069 SS, kg 17.39990171636.74479778 45.0494 SE, kg 95.51171967185.51782031 13.1253 COD, kg 185.5178203166.63930481 4.7147 BOD, kg 66.6393048114.99373757 1.0608 Fats, kg 2.2490606462.48804093 4.421 Cr, kg 62.488040936.85940879 0.4853 S2-, kg 6.85940879
25.17472284 1.7811 SO42-, kg 25.17472284166.60038218 11.7869 Cl-, kg 166.60038218132.41641317 9.3684 HCO, kg 132.41641317
1413.43680000 100 Total Sludge, kg 760.8567750558.8932 Total Sludge, kg/hr 31.70236562698
Sludge ConditioningConcentration, w/w (kg/kg)
sludge 0.833333333333333 Inletlime 0.166666666666667 Sludge Composition
SS, kgSE, kg
Lime viscosity range, cP COD, kgConcentration, w/w (kg/kg) Lime viscosity, cP Lime viscosity, Pa-s BOD, kg
0.4 500 0.5 Fats, kg0.05 10 0.01 Cr, kg
S2-, kgSludge viscosity range, Pa-s SO42-, kg
Concentration, w/w (kg/kg) Sludge viscosity, Pa-s Cl-, kg0.045 2.71 HCO, kg
0.095 22.3 Total Sludge, kg
Total Sludge, kg/hrLime, kg
1.53927281270047 Lime, kg/hr0.469176058491974 Sludge + lime, kg
5250.3195663057 Sludge + lime, kg/hr
Inlet Bottoms% Sludge Composition
98.5994 12.5910317990713 SS, kg 59.1597541.2331 69.1148214221059 SE, kg 324.7398
0.0000 0 COD, kg 0.00000.0000 0 BOD, kg 0.0000
12.7447 1.62748011215621 Fats, kg 7.64680.0000 0 Cr, kg 0.00000.0000 0 S2-, kg 0.00000.0000 0 SO42-, kg 0.00000.0000 0 Cl-, kg 0.00000.0000 0 HCO, kg 0.0000
130.515439615776 16.6666666666667 Lime, kg 78.3093
783.092637694656 100 Total Sludge, kg 469.85558261679432.628859903944 Total Sludge, kg/hr 19.5773159423664
2.786880612032420.849451539878207
6857.56024986867
Inlet OutletSludge Composition % Sludge Composition
59.1597 12.5910317990713 SS, kg 0.0000324.7398 69.1148214221059 SE, kg 0.0000
0.0000 0 COD, kg 0.00000.0000 0 BOD, kg 0.00007.6468 1.62748011215621 Fats, kg 0.00000.0000 0 Cr, kg 0.00000.0000 0 S2-, kg 0.00000.0000 0 SO42-, kg 0.00000.0000 0 Cl-, kg 0.00000.0000 0 HCO, kg 0.0000
78.3093 16.6666666666667 Lime, kg 78.3093
469.8556 100 Total Sludge, kg 78.309263769465619.5773 Total Sludge, kg/hr 3.2628859903944
D116*POWER(1/L, 1/3)
98.632 212
224 218
221.78
4.541977653640181.38441162327487
-0.161705585968087-0.0492910315862477
Outlet Bottoms% Sludge Composition %
2.28688266721332 SS, kg 98.59944303 15.10923815912.5531798886742 SE, kg 541.23307811 82.93778570724.3827519704761 COD, kg 0.00000000 08.75845586121487 BOD, kg 0.00000000 0
0.295595795413602 Fats, kg 12.74467694 1.95297613468.21285200806647 Cr, kg 0.00000000 0
0.901537452955136 S2-, kg 0.00000000 03.30873347920542 SO42-, kg 0.00000000 021.8964183066905 Cl-, kg 0.00000000 017.4035925700905 HCO, kg 0.00000000 0
100 Total Sludge, kg 652.57719808 100Total Sludge, kg/hr 27.19071658662
Inlet BottomSludge Composition % Sludge Composition %
98.5994 15.1092381588855 SS, kg 98.5994 12.5910317991541.2331 82.937785706527 SE, kg 541.2331 69.1148214221
0.0000 0 COD, kg 0.0000 00.0000 0 BOD, kg 0.0000 0
12.7447 1.95297613458745 Fats, kg 12.7447 1.627480112160.0000 0 Cr, kg 0.0000 00.0000 0 S2-, kg 0.0000 00.0000 0 SO42-, kg 0.0000 00.0000 0 Cl-, kg 0.0000 00.0000 0 HCO, kg 0.0000 0
652.57719807888 100 Lime, kg 130.51543962 16.6666666667
27.19071658662 Total Sludge, kg 783.09263769 100130.515439615776 Total Sludge, kg/hr 32.628859904
5.438143317324783.09263769465632.628859903944
Bottoms Outlet% Sludge Composition %
12.5910317990713 SS, kg 39.4398 12.59103179969.1148214221059 SE, kg 216.4932 69.114821422
0 COD, kg 0.0000 00 BOD, kg 0.0000 0
1.62748011215621 Fats, kg 5.0979 1.62748011220 Cr, kg 0.0000 00 S2-, kg 0.0000 00 SO42-, kg 0.0000 00 Cl-, kg 0.0000 00 HCO, kg 0.0000 0
16.6666666666667 Lime, kg 52.2062 16.666666667
100 Total Sludge, kg 313.237055077862 100Total Sludge, kg/hr 13.0515439615776
Outlet Upflow% Biogas Composition %
0 CO2, kg 286.950534411359 73.2863630080 Methane, kg 104.59643644809 26.7136369920 Total Biogas,kg 391.546970859449 1000 Total Biogas,kg/hr 16.3144571191437000000
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