Table 2 Effect of harvesting method on the performance of autofermentation of alkaline cyanobacterial biomass.a
From: Autofermentation of alkaline cyanobacterial biomass to enable biorefinery approach
| Â | High-speed centrifugation | Low-speed centrifugation | Secondary Settling | Primary settling |
|---|---|---|---|---|
Biomass concentration (g AFDM/L) | 219.36 ± 3.94 | 47.05 ± 3.95 | 10.21 ± 0.36 | 3.04 ± 0.16 |
Volume (mL) | 2.00 | 8.76 | 43.8 | 146 |
Initial pH | 10.48 ± 0.02 | 10.48 ± 0.02 | 10.48 ± 0.02 | 10.48 ± 0.02 |
Final pH | 6.87 ± 0.06 | 8.48 ± 0.06 | 9.80 ± 0.01 | 10.25 ± 0.01 |
Maximum organic acid yield (mmol/g AFDM) | 0.91 ± 0.15 | 1.51 ± 0.22 | 2.43 ± 0.19 | 10.28 ± 0.80 |
Organic acid peak day | 10 | 10 | 10 | 8 |