... difference of Ca and Mg concentration in the initially added Ca and Mg solution and the supernatant equilibrium solution taking into account the amount of Ca and Mg present in solution of the control ... Details of batch experiments Batch Type Ca or Mg Concentration (mg/L) P Concentration (mg/L) Other Conditions Effect of Ca and Mg concentrations 0, 5, 10, 20, 50, 100, 150 and 200 ... addition Mg additionFig. 1 - Concentration profiles of (a) As and (b) Fe in leachate with the addition of Ca and Mg in different concentrations 00.511.522.55102050Ca, Mg addition (mg/L)Adsorbed...