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Most appropriate treatments to control the environmental impact of effluents in the iron and steel industry
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Most appropriate treatments to control the environmental impact of effluents in the iron and steel industry

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The water framework directive has given new emphasis to the protection of the ecological status of receiving waters, as well as their chemical status. This emphasis on ecological quality is the principal driver for the TREES project, which is focused on both the toxicity of steel industry effluents and the reduction of this toxicity by innovative treatment techniques. Traditionally, the impact of iron and steel industry streams on the aquatic environment has been evaluated by comparing the concentration of the pollutant in the receiving water with environmental quality standards defined by current legislation. This method, unfortunately, does not provide information on how the effluent affects the biodiversity of the receiving waters. That is achieved only through ecotoxicological tests. The selection of the most suitable tests for assessing the ecotoxicity of steel works' effluents and understanding their effects on the aquatic environment has been analysed in great detail. Recently, attention has been focused on untreated/treated wastewater toxicity and on appropriate treatments to reduce this toxicity. Advanced oxidation and electrochemical techniques (as stand alone or in combination with biological treatment) have been tested and analysed in order to reduce specific classes of pollutants and improve water quality from both chemical and ecological points of view. Consequently, both aspects — the industrial responses to water pollution issues through wastewater treatment and the introduction of measures promoting health and ecosystem protection — have been investigated and verified in the ambit of this project.
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Η έκδοση αυτή είναι διαθέσιμη για τηλεφόρτωση σε μορφή διαδικτύου (PDF) και σε μορφή εκτύπωσης (PDF/X). Για περισσότερες πληροφορίες σχετικά με τον τρόπο εκτύπωσης του δικού σας αντιγράφου των εκδόσεων της ΕΕ, ανατρέξτε στην ενότητα «Συχνές ερωτήσεις».
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