Table 1.

Operational conditions from phase I to phase VII.

Phase	Time (d)	CLP (mg/L)	Acetate COD (mg/L)	NO3−-N (mg/L)	HRT (h)
I	0–15	0	400	100	4
II	16–29	0.25	400	100	4
III	30–41	1.00	400	100	4
IV	42–56	5.00	400	100	4
V	57–74	15.00	400	100	4
VI	75–85	35.00	400	100	4
VII	86–94	60.00	400	100	4