RE-UTILIZATION OPTION OF INDUSTRIAL WASTEWATER TREATED BY ADVANCED OXIDATION PROCESS

Present study was conducted to appraise the possibility of photo-catalytic detoxification of industrial wastewater samples. The waste water samples were subjected to ultra violet radiation in the presence of hydrogen peroxide and titanium dioxide in order to evaluate the treatment effect on the basis of cytotoxicity, mutagenicity, microbial load reduction and improvement in water quality parameters. The bioassays such as allium cepa, heamolytic and Ames tests were used to assess the cytotoxicity and mutagenicity. The photo-catalytic treatment, a state of the art technique, reduced the cytotoxicity and mutagenicity significantly and brought them within the permissible limit. Water quality parameters i.e. BOD, COD, DO, pH, TDS and TSS of waste water samples were also considerably improved. It is revealed that the advanced oxidation process can be successfully used for toxicity removal, improvement in water quality parameters and therefore, the processed wastewater could possibly be used for irrigation purposes.