PFAS soil-washing, Wittmundhafen
As part of a large construction project in northern Germany, several hundred thousand tons of soil contaminated with residues of extinguishing foam additives (perfluorinated and polyfluorinated alkyl substances, PFAS) arise. Instead of being disposed of, the material is washed on site at great technical expense and can then be safely reused on site.
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Location
Wittmundhafen
Industry/client
State Construction Management Lower Saxony ("Staatliches Baumanagement Niedersachsen")
Parameters
Daily output (soil) of up to 2,000 t
Throughput capacity of the plant components:
- Soil washing plant 200 t/h
- Sludge treatment 400 m³/h
- Wash water treatment 200 m³/h
Recycling rate of the washed soil: 92 %
Reduction of pollutants in the soil by > 98 %
Throughput capacity of the plant components:
- Soil washing plant 200 t/h
- Sludge treatment 400 m³/h
- Wash water treatment 200 m³/h
Recycling rate of the washed soil: 92 %
Reduction of pollutants in the soil by > 98 %
Performance period
2022-2027
As part of a large construction project in northern Germany, several hundred thousand tons of soil contaminated with residues of extinguishing foam additives (perfluorinated and polyfluorinated alkyl substances, PFAS) arise. Instead of being disposed of, the material is washed on site at great technical expense and can then be safely reused on site.
Scope of services
- Design of the treatment strategy and overall process engineering concept with material flow
- Delivery and construction of the systems
- Operation of the floor washing plant with ancillary facilities for an estimated 4 years
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