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Browsing by Author "Aleksa, Henryk"

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    Item type:Article, Access status: Open Access ,
    Chlor i rtęć w węglu i możliwości ich obniżenia metodami przeróbki mechanicznej
    (2007) Aleksa, Henryk; Dyduch, Franciszek; Wierzchowski, Krzysztof
    The paper presents the possibilities of reducing the contents of mercury and chlorine in hard coal using the methods applied in mineral engineering. In relation to those elements, their location in the coal structure has been characterized, together with their origin and forms of occurrence. Discussed also are the technical methods of reduction of these contaminants in coal using the gravitational separation, floatation, leaching and dewatering. The proposals presented may find their application in the industry and contribute to reduction of emissions of these substances very harmful to health and environment.