Research Article
Efficacies of Various Anaerobic Starter Seeds for Biogas Production from Different Types of Wastewater
Table 3
Order of 25 factorial experiments based on rate and ultimate time of methane production.
| Number | Experiment | Ultimate CH4 production time (day) | CH4 production rate (mL CH4/g VSS⋅d) | Lag time (days) |
| 1 | CSsRBw | 7 | 12.37 | 0 | 2 | SWsRBw | 8 | 8.32 | 0 | 3 | POsRBw | 9 | 8.95 | 0 | 4 | SMsPOw | 12 | 4.51 | 0 | 5 | CSsPOw | 14 | 7.36 | 0 | 6 | SMsRBw | 14 | 7.08 | 0 | 7 | SMsSMw | 14 | 6.94 | 0 | 8 | CSsCSw | 14 | 6.21 | 0 | 9 | RBsRBw | 17 | 5.91 | 0 | 10 | POsPOw | 17 | 4.77 | 0 | 11 | POsCSw | 17 | 4.35 | 0 | 12 | CSsSMw | 20 | 6.38 | 0 | 13 | RBsPOw | 20 | 5.37 | 0 | 14 | RBsSMw | 20 | 5.03 | 0 | 15 | CSsSWw | 20 | 3.37 | 0 | 16 | SMsCSw | 22 | 4.78 | 6 | 17 | POsCSw | 22 | 4.13 | 3 | 18 | POsSWw | 22 | 2.38 | 0 | 19 | SWsCSw | 24 | 3.86 | 0 | 20 | SWsPOw | 24 | 3.74 | 0 | 21 | SWsSMw | 24 | 2.69 | 0 | 22 | RBsCSw | 30 | 3.92 | 4 | 23 | RBsSWw | 30 | 3.01 | 0 | 24 | SWsSWw | 30 | 2.65 | 0 | 25 | SMsSWw | 32 | 1.71 | 0 |
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Selected combinations of different starter seed and wastewater for next phase.
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