Next the experiment was carried out by increasing pH to 6.0
with different voltages 8V, 10V and 12V and maximum COD
removal efficiencies of 72.5%, 85% and 92.8% respectively
were obtained for 4 hours (Fig 4) which remained constant for
5 hours of electrolysis time. Similarly, maximum turbidity
removal efficiencies of 78.91%, 84.68% and 92.4% for 4
hours (Fig 5) were obtained