Characteristics of Biohydrogen Production and Performance of Hydrogen-Producing Acetogen by Increasing Normal Molasses Wastewater Proportion in Anaerobic Baffled Reactor

Table 1

Start-up parameters of ABR.

Operation phase	HRT (h)	(°C)	Influent pH	Influent COD (mg/L)	NMWW proportion	Organic load rate (kg COD/m^3·day)
Stage I (days 1–73)	24		6.8–7.0	6131–6338	30%	0.54–6.11
Stage II (days 74–118)	24		4.3–4.5	6868–7107	55%	6.56–7.66
Stage III (days 119–139)	24		4.1–4.3	7718–8466	80%	7.73–8.49