S.No. Characteristics Unit Sewage sludge
1. pH - 6.7
2. Color - Greyish
3. Total Solids (mg/L) 1140
4. Total Dissolved Solids 980
5.  Suspended Solids 160
6. BOD 290
7. COD 945
8. Chlorides 262
Table 1: Characteristics of sewage sludge.