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Air
Requirement
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Wastewater Data:
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> Wastewater
temperature:
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T
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oC
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> Actual Oxygen
Transfer Rate:
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AOTR
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kgO2/h
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Site Data:
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> Site air ambient
temperature:
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Top
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oC
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> Site altitude:
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H
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m
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> Salinity-surface
tension correction factor:
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β
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-
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(range 0.80 - 1.00)
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> Oxygen transfer
correction factor:
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α
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-
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(range 0.40 - 0.80)
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> Operating oxygen
concentration:
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CX
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mgO2/L
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> Diffusers fouling
factor:
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F
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-
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(range 0.65 - 0.90)
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Biological Reactor Data:
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> Biological reactor
water depth:
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Hw
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m
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> Diffuseres
elevations above tank floor:
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d
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m
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> Diffuseres
elevations above tank floor:
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Df
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m
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> Biological reactor
activated sludge concentration:
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SSAT
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mg/L
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> Standard Oxygen
Transfer Effciency:
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SOTE
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%
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Air Requirement (1:
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Standard Oxygen Transfer
Efficinecy:
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SOTR
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kgO2/h
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Air requirement @
operation conditions:
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Qair,op
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m3/h
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(operating conditions: Top & Patm,site)
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Air requirement @ normal
conditions:
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Qair,N
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Nm3/h
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(normal conditions: 20oC & 1 atm)
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Air requirement @
standard conditions:
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Qair,S
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Sm3/h
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(standard conditions: 0oC & 1 atm)
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Number of decimals:
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Resources:
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1 - Wastewater
Engineering. Treatment and Resource Recovery. Fifith Edition. Metcalf &
Eddy
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Save to Email:
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Parcis SRL
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