Run off protection / Remediation of a tar oil groundwater contamination
Location |
Kirchseeon, Germany |
Period of execution |
2005 - 2015 |
![]() Project descriptionOperating a groundwater remediation plant for PAH and tar-contaminated
In 8 years, about 20 tons of tar oil and further 3 tons of dissolved pollutants were removed, cleaning approximately 2.2 million m³ of groundwater. |
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![]() Services provided by BfUGeneral contractor; Construction of the groundwater treatment plant, drilling of injection, conveyor and monitoring wells, pipe laying (some by subcontractors); Ongoing optimisation of the bioreactor (currently 90% biodegradation of dissolved PAHs); Hydrochemical and hydraulic monitoring, field tests, and microbiological degradation experiments; Design and installation of a semi-automatic system for tar-oil recovery from about 40 m below ground level at the bottom of the aquifer; Conducting pumping tests |