<p>The present disclosure relates to a process for the treatment of wastewater having a pH ranging from 6 to 10, a COD ranging from 100 ppm to 1000 ppm, a turbidity ranging from 50 NTU to 500 NTU and a ratio of BOD/COD less than 0.6. The present disclosure also relates to the formation of a GAC supported bio-film; and passing a portion of the wastewater through the GAC supported bio-film to obtain a bio-filtered water having COD ranging from 5 ppm to 200 ppm and turbidity ranging from 2 NTU to 75 NTU.</p>
