Objective
The in-situ sanitation by high-frequency energy is a new procedure to restore soils which are contaminated by halogenated and aromatic hydrocarbons as well as by low-boiling aliphatic hydrocarbons (mineral oils). This low-temperature procedure makes use of the principle of dielectric warming up if high frequency electromagnetic fields are put against a dielectric medium (the soil) for 'in-site purification' of the contaminated soil. For technical realization, exciting electrodes are placed into the contaminated area according to a special arrangement which depends on the texture of the soil. Energy feed in is made by an efficient HF energy source and the soil permeated by the high frequency field is gradually warmed up to temperatures of 60 up to a maximum of 150°C. The main part of the energy is absorbed by the water stored in the soil, the dielectricity coefficient of water being higher by the factor 10. Soil water and organic contaminations are converted to the gaseous phase which is removed from the subsoil by the exhauster levels. The steam-pollutant mix is condensed, water and pollutants are divided in a phase separator. The remaining contaminations in the exhaust air are retained and destroyed in a two-stage filter system with absorption and catalytic combustion. A newly developed probe allows to measure on-line direct in site all parameters decisive for the extraction process, such as soil humidity, temperature, static differential pressure and pollutant concentration in the the soil. Thus, direct observation, supervision, data logging and control of the extraction process are possible for the first time. Thanks to the new sanisation procedure, the duration of in-situ sanisations is reduced by the factor 10. Thus, a rapid relief of the environment and a reduction of the effects on groundwater are rendered possible. This procedure now allows to realize in-situ sanisations which, until now, could only be treated by excavation or safety measures.
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Programme(s)
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Topic(s)
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Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Call for proposal
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Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
Funding Scheme
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Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Coordinator
78112 St. Georgen
Germany
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.