Table 2.
Overview of PHB accumulating performance in SBR, FD and batch experiment
| Time PHB max. (h) | PHB max. (wt%) | YP/S (CmolPHB/CmolAc) | qAC (CmolAc/CmolX/h) | qP (CmolPHB/CmolX/h) | |
|---|---|---|---|---|---|
| SBR experimenta | 5.6 ± 0.3 | 70.2 ± 1.9 | 0.60 ± 0.02 | 0.71 ± 0.04 | 0.43 ± 0.06 |
| FD experimenta | 5.6 ± 0.25 | 83.0 ± 0.8 | 0.81 ± 0.02 | 1.05 ± 0.05 | 0.85 ± 0.07 |
| Batch experiment | Almost 10 | 86.4 ± 1.2 | 0.77 ± 0.01 | 0.83 ± 0.05 | 0.64 ± 0.06 |
| Johnson et al. (2009)b | 7.6 | 89 | 0.6 | NA | NA |
| Chen et al. (2015)b | 6.5 | 74.16 ± 0.03 | 0.77 ± 0.05 | 0.82 ± 0.03 | 0.63 ± 0.06 |
| Marang et al. (2016)b | 10–12 | 86 ± 1 | NA | NA | NA |
a To keep the same feast length, the amount of Ac was 124.5 and 182 Cmmol/L in SBR and FD experiment, respectively
b Date from the accumulation experiments of the three references