Construction water treatment at Anderten lock, Hanover
As part of the renovation work on the Anderten lock, ZÜBLIN Umwelttechnik is providing a system for treating construction water and sludge. The Anderten lock was built in 1928 and overcomes a height difference of 14.70 m in the Mittelland Canal. At the time of its completion, it was the largest inland lock in Europe.
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Location
Hanover
Client
Ed. Züblin AG, Building preservation
Parameters
- Flow rate up to 5 L/s
- pH values to be neutralized greater than 12
- pH values to be neutralized greater than 12
Special features
- Space-saving installation of system components
- Compact footprint
- System design and delivery within four to six weeks
- Extremely high sludge loads in the system inlet
- Compact footprint
- System design and delivery within four to six weeks
- Extremely high sludge loads in the system inlet
Performance period
- since November 2023
- planned: 15 months
- planned: 15 months
Scope of services
- Booster pump in 18 m deep lock
- Settling basin with conical bottom and agitator
- Three-chamber reactor tank (30 m³) for pre-neutralization, precipitation and flocculation
- Lamella separator
- Neutralization
- Buffer tank (2x 30 m³)
- Sludge tank with conical base and agitator
- Feed pump
- Chamber filter press
- Central control (PLC), data recording, fault message system, remote access
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