Success stories

Castelnuovo Rangone WWTP (Italy)

Smart aeration control including 2 different blowers

Plant characteristics

Design flow: 5.075 m3/d
Biological treatment: 1x pre-denitro + 2x plug-flow reactors (AO)
Aeration system: 1x blower + 1x turboblower
Effluent discharge consent:
- BOD5 < 25 mgO2/L
- COD < 125 mgO2/L
- TN < 15 mgN/L (annual average)
- TP < 2 mgP/L (annual average)

Challenge

To reduce the aeration costs whilst ensuring the effluent quality
Provide the plant manager with an innovative control tool

CREApro® platform fitted with self-customized process intelligence tools and editable control configuration settings : an every day operation control as well as a strategic tool. Intelligent control loops included and tailored:

Solution implemented

N-control module, including:
Dynamic DO setpoint strategy (independent per lane)
Nitrification / Denitrification cycles (intermittent aeration strategy)
Energy cost via a tariff strategy for further monetary savings
Swing zone management
Dynamic blowers control and rotations
RASi-control module, including:
Dynamic mixed liquor recirculation pumping

KPIs

100%

Effluent quality compliance

20%

kWh / kgN savings

25%

kWh / m3 savings

100%

Robustness and reliability

Castelnuovo Rangone WWTP (Italy)

Plant characteristics

Challenge

To reduce the aeration costs whilst ensuring the effluent quality

Provide the plant manager with an innovative control tool

Solution implemented

KPIs

Createch360º

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