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Träfflista för sökning "hsv:(TEKNIK OCH TEKNOLOGIER) hsv:(Naturresursteknik) hsv:(Annan naturresursteknik) ;pers:(Ecke Holger)"

Sökning: hsv:(TEKNIK OCH TEKNOLOGIER) hsv:(Naturresursteknik) hsv:(Annan naturresursteknik) > Ecke Holger

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  • Diener, Silvia, et al. (författare)
  • Accelerated carbonation of ashes and steel slags in a landfill cover construction
  • 2008
  • Ingår i: Proceedings of Second International Conference on Accelerated Carbonation for Environmental and Materials Engineering. - : University of Rome "La Sapienza". ; , s. 389-400
  • Konferensbidrag (refereegranskat)abstract
    • Fly ash from biofuel incineration and slags from steel production were used in two full scale applications of cover constructions on municipal solid waste (MSW) landfills. The long-term stability of the cover materials is studied in a designed laboratory experiment. The impact of six environmental factors on accelerated carbonation is investigated over a period of three years. Leaching behaviour, acid neutralization capacity, mineral composition (XRD) and thermo gravimetrical behaviour (TG) are tested after different periods of ageing under different conditions. By now samples were taken after three and ten months of ageing. Multivariate data analysis was used for data evaluation. The results indicate the factors material, ageing time and carbon dioxide content of the atmosphere to be most relevant.
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  • Diener, Silvia, et al. (författare)
  • Accelerated carbonation of steel slags in a landfill cover construction
  • 2010
  • Ingår i: Waste Management. - : Elsevier BV. - 0956-053X .- 1879-2456. ; 30:1, s. 132-139
  • Tidskriftsartikel (refereegranskat)abstract
    • Steel slags from high-alloyed tool steel production were used in a full scale cover construction of a municipal solid waste (MSW) landfill. In order to study the long-term stability of the steel slags within the final cover, a laboratory experiment was performed. The effect on the ageing process, due to i.e. carbonation, exerted by five different factors resembling both the material characteristics and the environmental conditions is investigated. Leaching behaviour, acid neutralization capacity and mineralogy (evaluated by means of X-ray diffraction, XRD, and thermogravimetry/differential thermal analysis, TG/DTA) are tested after different periods of ageing under different conditions.Samples aged for 3 and 10 months were evaluated in this paper. Multivariate data analysis was used for data evaluation. The results indicate that among the investigated factors, ageing time and carbon dioxide content of the atmosphere were able to exert the most relevant effect. However, further investigations are required in order to clarify the role of the temperature.
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  • Resultat 1-10 av 75

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