Table 3 Variation of parameters with varying dosages of Cu
SL No | Sample | Biogas (ml) | VFA (mg HAc/L) | Alkalinity (CaCO3/L) | Total Solids (g/L) | Volatile Solids (g/L) | % C | % N | C/N Ratio |
|---|---|---|---|---|---|---|---|---|---|
Blank | CD + FD | 609 | 4905 | 325 | 44.5 | 42 | 52.43 | 1.57 | 33 |
1 | CD + FD + 0.5 mg/l Cu | 1710 | 5320 | 750 | 48 | 45.5 | 52.66 | 1.56 | 34 |
2 | CD + FD + 1 mg/l Cu | 461 | 4905 | 775 | 69 | 49 | 39.45 | 1.13 | 35 |
3 | CD + FD + 1.5 mg/l Cu | 821 | 13,205 | 2750 | 48.5 | 30.5 | 34.94 | 1.56 | 22 |
4 | CD + FD + 2 mg/l Cu | 167 | 37,275 | 10,750 | 73 | 62.5 | 47.56 | 1.30 | 37 |