FIGURE 8.5 Industrial approaches regarding slag management applied formerly and nowadays
and consequences faced.
8.3.1 Soil-weathering case
Since disposed slags have remained with direct contact with surface ground or in some cases
are even buried or covered by soil layer (Figure 8.6), the organic acids being natural soil
component as well as root exudates are of obvious presence in such places, hence might have
an impact on slags stability. In these regards, Cu-slags were evaluated with respect to metal
release under exposure to: humic and fulvic acids as well as artificial root exudates.
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