Fig. 2. The concentrations of Ca, Mg, SO4, Cl, F, NO3, K, and B in leachates from each leaching cycle of the unamended and lime-stabilized biosolid (LSB)– and neutral fly ash (NFA)–amended acid mine spoil simulated weathering experiments
Fig. 2. The concentrations of Ca, Mg, SO4, Cl, F, NO3, K, and B in leachates from each leaching cycle of the unamended and lime-stabilized biosolid (LSB)– and neutral fly ash (NFA)–amended acid mine spoil simulated weathering experiments