S.No Parameters UOM Wastewater Treatedwastewater
1 pH - 8.0 7.2
2 Suspended Solids mg/L 2968 78
3 Total Dissolved Solids mg/L 2500 1150
4 Chlorides mg/L 829 162
5 Sulphateas SO4 mg/L 950 200
6 Biological OxygenDemand(3 Days) mg/L 4767 84
7 Chemical Oxygen Demand mg/L 5600 140
8 Oil & grease mg/L 20 3
9 Phenols (as PhenoliccompoundsC6H5OH) mg/L 0.90 0.30
10 Arsenic mg/L 0.15 0.07
11 Bio-assay % - Zebra fish (Brachydaniorerio) were survived100% in treated wastewater during 48 hours of test period.
Table 3: Characteristics of wastewater and treated wastewater.