Autohydrogenotrophic Denitrification Using the Membrane Biofilm Reactor for Removing Nitrate from High Sulfate Concentration of Water

Table 3

Experimental design of the reactor running.

	Start-up	Run I	Run II	Run III
Running time (day)	3	1–40	41–80	81–155
H2 pressure in the fiber (MPa)	0.02	0.03	0.04	0.05
Nitrate concentration in the influent (mg N/l)	10.0 ± 2.0	20.0 ± 2.0	40.0 ± 4.0	50.0 ± 4.0
Sulfate concentration in the influent (mg/l)	100 ± 10.0	200 ± 10.0	250 ± 10.0	300 ± 10.0
Flow rate (ml/min)			1.1
HRT (h)			8.5