Research Article
Biogas Production and Biofertilizer Estimation from Anaerobic Co-Digestion of Blends of Wastewater and Microalgae
Table 1
Composition of feedstock before digestion.
| Parameters | Unit | WW alone | WW : MA (3 : 1) | WW : MA (3 : 2) |
| Ph | x | 7.80 ± 0.16 | 7.77 ± 0.09 | 7.93 ± 0.12 | TS | mg/l | 2271.87 ± 3.97 | 2032.68 ± 4.72 | 1711.93 ± 4.38 | VS | mg/l | 703.95 ± 1.40 | 634.43 ± 2.68 | 564.75 ± 5.83 | BOD5 | mg/l | 777.57 ± 4.58 | 702.94 ± 3.95 | 652.03 ± 2.15 | COD | mg/l | 1549.79 ± 2.14 | 1390.38 ± 3.35 | 1292.37 ± 4.12 | DO | mg/l | 1.49 ± 0.29 | 2.03 ± 0.08 | 2.30 ± 0.14 | TP | mg/l | 3.47 ± 0.10 | 3.99 ± 0.02 | 3.96 ± 0.06 | TK | mg/l | 13.40 ± 1.84 | 12.61 ± 1.16 | 11.28 ± 0.65 | TN | mg/l | 16.97 ± 0.88 | 25.44 ± 0.78 | 28.21 ± 1.69 | TC | col/100 ml | 307104 | 301104 | 298104 | FC | col/100 ml | 181104 | 178104 | 171104 |
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x = no unit, col = colonies, SD = standard deviation.
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