A Q U A
SAUERSTOFFEINTRAG OXYGEN TRANSFER
C O N S U L T
Calculation Figures for O2-Transfer WWT Plant: Control of the plant:
_________________________________ Screen Grit Trap Primary Settling Tank Aeration Tank Intermediate Settling Tank Aeration Tank 2 Secondary Settling Tank
Term: ______________
Date: ______________ Editor:______________
Step 1 Number of equal Tanks: Type of Tanks:
Step 2
[pcs] Rectangular Ring Circle Special Race Track
Length / Outside Diameter
[m]
Width / Inside Diameter
[m]
Depth of Water
[m]
Mixing during Aeration:
Location above Sea Level
[m]
BOD-Load/Day
[BOD5/d]
BOD-Load/Hour
[BOD5/h]
OC/Load
[kgO2/BOD5]
Duration of Aeration/Day
[h/d]
Oxygen Demand in Waste Water
[kgO2/h]
yes
Rectangular Ring Circle Special Race Track
no
yes
no
α-Value (0,7 for ACPB) Oxygen Demand in Clean Water
[kgO2/h] none ±
Minus Tolerances
Number of Blowers in Operation
%
none ±
%
[pcs/step]
Max. Speed of Air
No Data
<
m/s
Air Pipe Material
No Data
Synthetics
Stainl. Steel
Ball Valve Material
No Data
Brass
Stainless Steel
Panel fixing
flat floor
sloped floor
on a frame
Maintenance of Aerators
excavatable solitary excavatable
Stainl. Steel / Synth.
Remarks:
Calculation Figures for O2-Transfer Code M 1.0.2
Vert.:IEJ
Bull 313e
Rev.3
03/03
Seite 1/1