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Table 2 Overview of PHB accumulating performance in SBR, FD and batch experiment

From: Improving PHA production in a SBR of coupling PHA-storing microorganism enrichment and PHA accumulation by feed-on-demand control

 

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

  1. a To keep the same feast length, the amount of Ac was 124.5 and 182 Cmmol/L in SBR and FD experiment, respectively
  2. b Date from the accumulation experiments of the three references