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KOKOSAN - Combined in-situ remediation using biochar and compost for PAH and heavy metal-contaminated soils

Within the framework of the project KOKOSAN, an innovative in-situ soil remediation method with a particularly favorable ecological footprint is developed. This is achieved by the combined application of biochar and compost. By sorption on biochar, organic pollutants and heavy metals are prevented from contaminating groundwater, while compost promotes microbial degradation of organic pollutants. The method is aimed at the rehabilitation of mild to moderate contaminated soils, which often occur as residual contamination after a successful remediation of hot spots. Here, the approach of KOKOSAN is an environmentally friendly and cost-effective strategy to treat residual contamination to minimize the introduction of pollutants into the environment and to allow re-use of the site with a good overall environmental footprint through the use of compost and biochar.

 

PI: Thilo Hofmann
Co-PI: Melanie Kah, Thorsten Hüffer
Ph.D. student: Gabriel Sigmund

 

Project Partner: Austrian Institute of Technology GmbH (AIT), Health & Environment Department


The project is funded by the Federal Ministry of Agriculture, Forestry, Environment and Water Management (BMLFUW). Management by Kommunalkredit Public Consulting GmbH.

Department of Environmental Geosciences
University of Vienna

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