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Comparison between laboratory and field leachability of MSWI bottom ash as a road material

Izquierdo, Maria ; Querol, Xavier ; Josa, Alejandro ; Vazquez, Enric ; López-Soler, Angel

The Science of the total environment, 15 January 2008, Vol.389(1), pp.10-9 [Tạp chí có phản biện]

ISSN: 0048-9697 ; PMID: 17910977 Version:1

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  • Nhan đề:
    Comparison between laboratory and field leachability of MSWI bottom ash as a road material
  • Tác giả: Izquierdo, Maria ; Querol, Xavier ; Josa, Alejandro ; Vazquez, Enric ; López-Soler, Angel
  • Chủ đề: Construction Materials ; Environmental Pollutants -- Analysis ; Refuse Disposal -- Methods ; Soot -- Analysis
  • Là 1 phần của: The Science of the total environment, 15 January 2008, Vol.389(1), pp.10-9
  • Mô tả: The leaching properties of bottom ash from municipal solid waste incineration (MSWI) used as an aggregate substitute in unbound pavement layers are evaluated. The mechanical behaviour of bottom ash is acceptable for this application, but the potential environmental consequences constitute the most important limitation on the use of bottom ash as a road material. The environmental properties of bottom ash are assessed by means of the Dutch availability test NEN 7341 and the single-batch and two-stage batch European EN 12457 laboratory leaching tests. Furthermore, an experimental unbound pavement stretch is constructed to provide information on leaching behaviour under field conditions. In this high infiltration scenario, the results from predicted (based upon laboratory leaching tests) and measured releases (under field conditions) are compared, evidencing that predictions based on compliance leaching tests may be highly realistic. The depletion period of the extractable fraction of a number of elements in these field conditions is also quantified.
  • Ngôn ngữ: English
  • Số nhận dạng: ISSN: 0048-9697 ; PMID: 17910977 Version:1

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