Research Article
Biogas Production through Anaerobic Codigestion of Distillery Wastewater Sludge and Disposable Spent Yeast
Table 4
Mixture characterization before digestion.
| S. no | Parameters | Unit | Substrate mixing ratio DWWS : DWY (%) | 99 : 1 | 92 : 8 | 85 : 15 |
| 1 | COD | mg/L | 1334.50 ± 152.94 | 3158.67 ± 462.64 | 4460.50 ± 39.20 | 2 | BOD5 | mg/L | 752.25 ± 19.92 | 1741.11 ± 32.03 | 2699.50 ± 15.86 | 3 | BI | — | 0.6 ± 0.05 | 0.6 ± 0.07 | 0.61 ± 0.00 | 4 | Temperature | (°C) | 32.04 ± 0.52 | 35.99 ± 0.34 | 39.71 ± 0.54 | 5 | pH | — | 7.55 ± 0.21 | 6.69 ± 0.16 | 6.00 ± 0.18 | 6 | TS | mg/L | 793.92 ± 49.49 | 1789.57 ± 32.12 | 4117.00 ± 96.49 |
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Note. DWWS: distillery wastewater sludge and DWY: distillery waste yeast.
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