Table 3.1 presents comparative results of three natural coagulants; Cicer aretinum, Moringa oleifera and
Cactus in the reduction of turbidity and COD with their optimum dosage at optimum pH value. From the table 3.1, it is
clear that, out of three coagulants Cicer aretinum is more efficient in reduction of COD of 90.00%. On the other hand,
Moringa oleifera gave highest turbidity reduction of 82.02%.