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On site remediation of contaminated soil by use of industrial by- products PDF Print E-mail


About 80 000 potentially contaminated sites have been identified in Sweden and remediation of them using excavation and landfilling is economically unreasonable. Various treatment techniques can reduce hazard of the contaminated soil by for example destroying, separating or stabilising its hazardous components.
The goal of the project is to develop and evaluate practical sequences of techniques for on site re-mediation of soil contaminated with mixed (i.e. organic and inorganic) substances. It will access how one technique that is efficient for destruction of organic contaminants, e.g. thermal treatment, should be combined with other methods, such as separation, concentration and stabilisation to achieve the desired result.

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Characterization of Mobility and Leaching from Redox Sensitive Materials PDF Print E-mail


Redox sensitive elements are an environmental challenge, and materials such as Blast Furnace Slag and mining waste may in certain conditions generate acid leachates. There is a need to improve the characterization of such materials to be able to manage them in an environmentally safe way.
This project seeks to improve the characterization of redox sensitive materials, and test the feasibility of a suggested treatment method for mining waste based on green liquor dregs (GLD).
The application of green liquor dregs and other pulping by-products to the solidification/stabilisation of copper mine tailings wil be evaluated and in particular the potential of using GLD for the treatment of old tailings.

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