Characterization of extractive waste - screening test for the determination of neutralization potential in sulphidic waste

Mona Arnold, Tommi Kaartinen, Markus Stenvall, Jutta Laine-Ylijoki, Margareta Wahlström

    Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

    Abstract

    The paper deals with the applicability and comparison of potential international methods available for the determination of the acid production and neutralization potential in sulphidic waste. A driver for such work is the mining waste directive and recently started standardization work under CEN/TC 292 Characterization of waste. A method for the determination of net neutralization potential in extractive waste is to be standardized. Here the results from two different methods for the determination of neutralization potential for five extractive waste samples are shown. Apparently the results gained with different tests even within same pH-range can differ markedly from each other.
    Original languageEnglish
    Title of host publicationProceedings of the 11th International Symposium on Waste Management and Landfill Issues, Sardinia 2007
    EditorsR. Cossu, L.F. Diaz, R. Stegmann
    Place of PublicationItaly
    Publication statusPublished - 2007
    MoE publication typeA4 Article in a conference publication
    Event11th International Symposium on Waste Management and Landfill Issues, Sardinia 2007 - Sardinia, Italy
    Duration: 1 Oct 20075 Oct 2007

    Conference

    Conference11th International Symposium on Waste Management and Landfill Issues, Sardinia 2007
    Country/TerritoryItaly
    CitySardinia
    Period1/10/075/10/07

    Keywords

    • extractive waste
    • acid mine drainage
    • acid production potential
    • neutralization potential

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