The Increasing Interest of ANAMMOX Research in China: Bacteria, Process Development, and Application

Table 3

Overview of the sulfate-dependent ANAMMOX process investigation in China.

Source	pH	Reactor	VSS g/L	HRT	Influent mg/L		Removal ratio	Average removal efficiency (%)		Reference
					NH4–N	SO4–S	NH4 : SO4	NH4–N	SO4–S
K2SO4	8.5	Lab-scale reactor	N.A.	1 d	229	163	2.01 : 1	44.4	40	[15]
NH4Cl
NaNO2	8–8.2	NRBC reactor	0.32–0.054	4–24 h	288^b	N.A.	1.71 : 1.75	50^b	N.A.	[14]
(NH4)2SO4
(NH4)2SO4
NH4Cl	7.5–8.5	UASB reactor	N.A.	1.5 d	60	240	2 : 1	40	30	[38]
NaNO2
NaSO4
(NH4)2SO4	7.5	Expanded bed reactor	14.9	1 d	843	130	2 : 1	56.82^a	71.67^a	[37]
NaNO2
Na2S·9H2O	8.33±0.18	UASB reactor	35.7	0.8 h	350	264	N.A.	94.7	N.A.	[39]

aConcentration in mg/L, ^bconcentration in mmol/L/D, N.A.: not Available.