Feed of BaCO3 (ml/min) 10 10 10
Raw water      
pH 7.7 7.9 9.9
Conductivity (mS/cm) 9.4 - 9.5
Sulphate (mg/L) 2485 2500 2500
Ca (mg/L) 3360 - 3270
Mg (mg/L) 32 - 24.5
Treated water      
pH 10.5 10 10
Conductivity (mS/cm) 9 9 9
Sulphate (mg/L) 419 415 410
Ca (mg/L) 820 960 724
Mg (mg/L) 67.4 33.5 37.1
Ba (mg/L) 238.8 239.8 238.6
Table 3: Summary of the performance of barium carbonate produced in the present project on AMD treatment.