S.No. Property Type/Value
1 Color Dark green
2 Total dissolved solids 20,250 mgl-1
3 Oil and grease 20 mgl-1
4 BOD 168 mgl-1
5 COD 447 mgl-1
6 pH (1:2) 4.4
7 Sulphate 181 mgl-1
8 Phosphate 0.82 mgl-1
9 Cr (VI) 102 mgl-1
10 Zn (II) 88 mgl-1
11 Cu 0.52 mgl-1
12 Fe 6.8 mgl-1
13 Ni 13.1 mgl-1
Table 1: Physico-chemical properties of electroplating industrial effluent.