Monitoring a field application of a Green Liquor Dregs-till mixture in a sealing layer on top of sulfidic mine waste

Nigéus, SusanneLuleå tekniska universitet,Geovetenskap och miljöteknik (författare)

Sul dic mine waste le unattended and in contact with oxygen oxidize and have potential to produce acid rock drainage (ARD). A typical method in Sweden to stop sul de oxidation is to apply a dry cover on top of the mine waste. Using the non-hazardous industrial residue Green Liquor Dregs (GLD) in the cover is useful for the mining industry and the industry providing the residue and a large bene t for the environment. In this study, the e ectiveness of a mixture of till and 10 wt. % of GLD in a dry cover was studied by monitoring temperature, oxygen- and moisture content. e conclusion is that the sealing layer in una ected by frost, the oxygen concentrations are decreasing with time, but not in depth and the sealing layer with GLD-till mixture seem to be nearly saturated.

Maurice, ChristianLuleå tekniska universitet,Geovetenskap och miljöteknik,Ramböll Sverige AB, Luleå(Swepub:ltu)chma (författare)
Luleå tekniska universitetGeovetenskap och miljöteknik (creator_code:org_t)

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