Table 4.

Influent characteristics of the bioreactor.

Parameter	Fermentation liquid	Mixed liquid (12:1)
pH	5.33 ± 0.15	6.22 ± 0.24
MLSS (mg/L)	18,246 ± 1775	1637 ± 242
COD (mg/L)	5335.21 ± 432.14	511.26 ± 133.18
SCOD (mg/L)	1159.66 ± 177.22	311.28 ± 42.33
VFAs (mg/L)	507.15 ± 112.66	55.43 ± 5.88
Acetic acid (mg/L)	277.37 ± 24.65	22.14 ± 2.37
Propionic acid (mg/L)	42.65 ± 5.77	5.55 ± 0.43
Protein (mg/L)	572.25 ± 87.46	62.11 ± 4.47
Carbohydrate (mg/L)	321.22 ± 54.15	32.37 ± 2.28
TN (mg/L)	662.14 ± 123.56	88.11 ± 8.98
TP (mg/L)	81.25 ± 7.73	16.87 ± 4.55