| S.No. |
Parameters |
CPCB(1995) |
Control (Untreated) |
Bio-treated Native E.coli |
Bio-treated Non-native bacillussp |
| 1. |
Colour |
Colourless |
Blackish |
Light Brown |
Almost colourless |
| 2. |
Odour |
Odourless |
Offensive |
Odourless |
Odourless |
| 3. |
pH |
5.5 - 9.0 |
8.01 ± 0.5205 |
7.0 ± 0.19235 (12.6%) |
7.0 ± 0.5223 (12.6%) |
| 4. |
Electrical Conductivity (µmhos/cm) |
400 |
8615 ± 3.1622 |
3920 ± 1.9235 (54.5%) |
3770 ± 2.4083 (56.2%) |
| 5. |
Total Suspended Solids (mg/l) |
100 |
184 ± 3.03315 |
24 ± 1.5811 (89.9%) |
16 ± 3.1622 (91.3%) |
| 6. |
Total Dissolved Solids (mg/l) |
2100 |
5950 ± 3.16227 |
2740 ± 1.5811 (53.9%) |
2630 ± 3.1622 (55.7%) |
| 7. |
Biochemical Oxygen Demand (mg/l) |
30 |
700 ± 1.5811 |
70 ± 1.5811 (90%) |
32 ± 3.1622 (95.4%) |
| 8. |
Chemical Oxygen Demand (mg/l) |
250 |
2399 ± 1.5811 |
200 ± 1.5811(91.6%) |
297 ± 2.8635 (87.6%) |
| 9. |
Chromium ( mg / l) |
3 |
0.0724 ± 0.000158 |
0.535 ± 0.0015(63.8%) |
0.172 ± 0.028 (73.5%) |
| 10. |
Copper ( mg / l) |
1.5 |
0.00124 ± 3.16228 |
0.0094 ± 0.00158 (40.3%) |
0.00023 ± 3.16228 (78.2%) |
