Results

Successful deployments of the adaptive map controller

WWTP Oldenburg (OOWV)

~210,000 Population Equivalents | Installed since October 2023

The Oldenburg WWTP is one of the largest wastewater treatment plants in Lower Saxony with 4 parallel activated sludge basins. The plant was already among the top 10% in Germany before the map controller was deployed.

~10%
Energy savings
50%
of basins equipped
Top 10%
already before amc
Energy analysis of the activated sludge stage at WWTP Oldenburg – comparison with and without amc

Despite interim changes (new compressor, faulty ammonium measurement), the map controller independently adapted to the new conditions. No readjustment was required.

WWTP Seehausen (hanseWasser Bremen)

~1,000,000 Population Equivalents | Installed since December 2022

The Seehausen WWTP is one of the largest wastewater treatment plants in Germany with 6 parallel activated sludge basins. Due to the plant design, the amc could be directly compared with conventional oxygen setpoint control.

40–50%
NH4 peak reduction
1M
Population equivalents
Direct
Comparison possible
Comparison of control methods during a combined sewer event – WWTP Seehausen

During combined sewer events, the oxygen setpoint was raised early, enriching the activated sludge basin with oxygen. This reduced the ammonium peak by 40–50% compared to the reference basin.

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