Chapter 4: Activated Sludge Modelling - IqTMA-UVa

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Stoichiometric Matrix90
ConclusionsASM1 is a model for organic matter andnitrogen removal in activated sludgebiological reactorsSome constraints:Not valid for P removalExperimentally unable to estimate:• Difference between (X I ) and (X O )• Ammonification (not linked to organic matterdegradation)91
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Solving the Exponential ModelBy sol
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Endogenous decayIf part of the biom
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Continuous Treatment in wellmixed r
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ExerciseThe growth of a strain of L
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Maximum Dilution Rate: DmaxCell con
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Influence of nbVSSAn amount of non
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Influence of nbVSSFraction of activ
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Biomass retentionCell washout is mo
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AerationSurfaceDiffused$$$ Aeration
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Many configuration possible!The A2/
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OverviewApplicationCostsAdvantagesD
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Solid Retention Time (SRT)The SRT i
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Expression of SBiomass balance:VdX/
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Total mixed liquor VSS (MLVSS)MLVSS
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..and if we have nitrification??P M
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Processes for BOD Removal andNitrif
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Page 40 and 41: Processes for BOD Removal andNitrif
Page 42 and 43: Processes for BOD Removal andNitrif
Page 44 and 45: Processes for Biological NitrogenRe
Page 58 and 59: Processes for BiologicalPhosphorous
Page 64 and 65: Activated Sludge ModelingASM nº164
Page 66 and 67: Biological reaction kineticsMicroor
Page 68 and 69: Model presentationMASS BALANCES:•
Page 70 and 71: Components in ASM1Organic matter ch
Page 72 and 73: Components in ASM172
Page 74 and 75: Processes in ASM1Biological process
Page 76 and 77: Organic Matter BiodegradationORGANI
Page 78 and 79: Organic matter biodegradationAerobi
Page 80 and 81: Organic matter biodegradationSlowly
Page 82 and 83: NitrificationNitrification Kinetics
Page 84 and 85: NitrificationAutotrophic biomass de
Page 86 and 87: NitrificationSoluble organic N ammo
Page 88 and 89: DenitrificationHeterotrophic Biomas
Page 92 and 93: Conclusions• The Model works at c
Page 94 and 95: In BioWin3Bioreactor Brush aeratorS
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Chapter 4: Activated Sludge Modelling - IqTMA-UVa

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