S.No. Parameters Initial
1. Colour Dark brown
2. pH 8.2
3. Temperature 38
4. Free CO2 Nil
5. Carbonate 60
6. Bicarbonate 180
7. BOD 280
8. COD 496
9. DO 1.67
10. Nitrate 158
11. Nitrite 74
12. Ammonia 78
13. Total phosphorus 48
14. Inorganic phosphate 20
15. Organic phosphate 30
16. Calcium 67.28
17. Magnesium 54.34
18. Chloride 4699
Except pH, all the values are expressed in mg l-1.
Table 1: Initial physico-chemical characteristics of dye effluent.