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Oxygen
Requirement
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Biological Reactor Data:
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> Biological treatment
influent type:
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> Wastewater
temperature:
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T
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oC
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> Design flowrate:
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Qd
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m3/d
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> Sludge age:
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SRT
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days
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#
Influent Organic Matter:
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> Influent COD:
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CCOD,IBR
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mg/L
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> Supplemental COD:
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CCOD,dos
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mg/L
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#
Influent Suspended Solids:
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> Influent suspended
solids (SS):
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XSS.IBR
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mg/L
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#
Influent Nitrogen:
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> Influent Total
Nitrogen (TN):
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CN,IBR
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mgN/L
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> Influent
Nitrate-Nitrogen (NO3-N):
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SNO3,IBR
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mgN/L
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> Influent
nitrite-nitrogen (NO2-N):
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SNO2,IBR
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mgN/L
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[0.00 mg/L for muncipal wastewater]
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> Influent Total
Kjeldhal Nitrogen (TKN):
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mgN/L
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> Influent
ammonium-nitrogen (NH4-N):
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SNH4,IBR
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mgN/L
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[60-70% TKN for muncipal wastewater]
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> Influent
Organic-Nitrogen (Norg):
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SNO3,IBR
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mgN/L
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#
Effluent Nitrogen:
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> Effluent organic
nitrogen:
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SorgN,EBR
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mgN/L
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[2.00 mg/L for muncipal wastewater]
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> Effluent
ammonium-nitrogen (NH4-N):
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SNH4,EBR
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mgN/L
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[0.00 mg/L for dimensioning]
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> Effluent
nitrate-nitrogen (NO3-N):
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SNO3,EBR
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mgN/L
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> Effluent
nitrite-nitrogen (NO2-N):
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SNO2,EBR
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mgN/L
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Oxygen Requirement (1:
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Daily oxygen uptake for
carbon removal:
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OUd,C
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kgO2/day
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Daily oxygen uptake for
nitrification:
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OUd,N
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kgO2/day
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Daily oxygen credit from
denitrification:
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OUd,D
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kgO2/day
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Daily oxygen requirement,
total:
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OUd
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kgO2/day
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Oxygen requirement, peak:
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OUh
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kgO2/h
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Number of decimals:
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Resources:
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1 - Per DWA-A 131/2016
(Dimensioning of Single-Stage Activated Sludge Plants)
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Save to Email:
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Parcis SRL
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