Wastewater Treatment Processes

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Aeration Reference Sites

Chelmsford WwTW: Anglian Water

Chelmsford WwTW: Anglian Water

Principal contractor: LES Engineering

Design Parameters

Number of Tanks:2
Size of Each Tank:65.5m x 10m x 4.5m
Volume of Each Tank:2,948 m3
Number of Passes per Tank:1
Number of Control Zones per Tank:4
Standard Oxygen Transfer Rate (SOTR):696 kgO2/h
System Pressure:534 mbar
Total Air Flow to Tanks:7,600 Nm3/h
Total Number of Aquaconsult Diffusers:336
Aquaconsult Diffusers per Tank:168
Type and Length of Diffuser:P4.0 EU, 4.0m long. Mounted on lift out grids
Membrane Type:Polyurethane
Standard Aeration Efficiency (SAE):N/A
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