Activated Sludge Design, Startup, Operation, Monitoring and ...

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Design - Activated Sludge• Design Team• Treatment Goals• Activated Sludge Processes• Engineering Standards• Preliminary Treatment• Tertiary Treatment
Treatment Goals• BOD Removal– Dissolved wastes are consumed as food by theactivated sludge microbes and converted to biomass,water, carbon dioxide, and other gases• Nitrification– The process through which ammonia is oxidized tonitrite and nitrate• Denitrification– A process by which nitrates and nitrites are convertedto gaseous end products, primarily nitrogen gas.
Page 1: Activated Sludge Design, Startup, O
Page 5 and 6: Additional Processes• Preliminary
Page 7 and 8: Design - Engineering StandardsRecom
Page 9 and 10: Process DesignChemical-Ammonia Load
Page 11 and 12: NitrificationNH 3 NO 2-NO 3-• Nit
Page 13 and 14: Plant Startup• Contractor - Wants
Page 15 and 16: Summer Verses WinterSummer•MCRT -
Page 17 and 18: Plant Monitoring• Regular Rounds
Page 19 and 20: Troubleshooting• Foaming• Bulki
Page 21 and 22: Observation of Settlometer Test
Page 23 and 24: Length of Settleometer Test• Norm
Page 25: The Bugs - Good/Bad/Ugly
Page 28 and 29: Microthrix parvicella
Page 30 and 31: Filament Type 0092
Page 32 and 33: WWTP: WWTPPhil Anderson - ARCADISpa
Page 34 and 35: Figure 1 Effect of MCRT On Nitrific
Page 36 and 37: 20Figure 3 Ammonia Removal vs Time1
Page 38 and 39: 0.12Figure 5 Effect of D.O. on Nitr
Page 40 and 41: 400Figure 7 Alkalinity Used in Nitr
Page 43 and 44: DO Probe
Page 45 and 46: Center Feed FST
Page 47 and 48: Peripheral Feed FST
Page 49: Center Feed FST

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