Actual Application of a H₂-Based Polyvinyl Chloride Hollow Fiber Membrane Biofilm Reactor to Remove Nitrate from Groundwater

Table 2

Operation conditions of the membrane biofilm reactor.

	Run I	Run II	Run III
Operation period (day)	1–36	37–81	82–135
H2 pressure (MPa)	0.03	0.04	0.05
Influent -N (mg/L)
Hydraulic retention time (h)	8.5