COIRE GLAS Exploratory works, Kilfinnan Scotland
As part of a feasibility study for a pumped hydroelectric power station on the banks of Loch Lochy in the Scottish Highlands, a 1000 m long test tunnel is being constructed using the drill and blast method. Alkaline tunnel water contaminated with sediment has to be neutralized and purified before being discharged into the adjacent Loch Lochy.
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Location
Kilfinnan Scotland
Client
Tunnel construction / Strabag UK Limited
Parameters
- Flow rate up to 15 L/s or 54 m³/h
- Neutralization up to pH 14
- Solids load up to 50 g/L
- Neutralization up to pH 14
- Solids load up to 50 g/L
Special features
- Space-saving installation of the system components
- Installation of the entire system by construction site personnel
- Direct reuse of the filter cake for road construction in the surrounding area
- Installation of the entire system by construction site personnel
- Direct reuse of the filter cake for road construction in the surrounding area
Performance period
since May 2023
Scope of services
- Settling tank 30 m³
- Reactor tank (neutralization, coagulation, flocculation)
- Lamella separator
- Clean water basin 30 m³
- Sludge buffer
- Fully automatic chamber filter press
- Production of FHM dosing solution from powder granulate using automatic preparation station
- FHM dosing
- PAC dosing
- Solids load measurement, pH measurement, level measurement
- Flow measurement in the inlet and outlet