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Use of organoclays in bioremediation of contaminated soils and groundwater

Ziel

The objectives are the development of fundamentals for effective biodegradation approaches combining biological and physicochemical processes as the use of organ clays in reactive barriers for pollution control. The principles base on a combination of adsorption and biodegradation in a defined matrix, which provides contaminant elimination and sorbet regeneration. The requirements of reversible sorption processes and sufficient compatible milieu for bacteria are met by the use of organ clays. The combined use of bacteria and andorganoclay under static conditions has been investigated in detail recently. The main focus will lie on column techniques under flow conditions based on interactions between organically/aquifer mixtures, chloroaromaticcompounds and bacteria. Development of mixtures of organ clays and aquifer material as a packing material having both a significant sorption capacity for chloroaromatic compounds and a sufficient hydraulic conductivity, because of the low hydraulic conductivity of pure organ clays. Because particularly attention has tube turn on the compatible milieu for bacteria, one of the main training objectives for Time Pertness is an extended introduction in the field of microbiological aspects of soil remediation. Particularly the aspects of controlled microbial degradation of organic contaminants in soils or aquifers are of importance in order to complete her previous experiences from her PhD work in soil remediation based on sorption processes andphotooxidation. In fact, the investigation and the optimisation of such a system meet a scientific challenge and provide valuable information on the applicability of organ clays for bioremediation.

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FP6-2002-MOBILITY-5
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EIF - Marie Curie actions-Intra-European Fellowships

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FORSCHUNGSZENTRUM JUELICH GMBH
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