Table 2.

Average influent and effluent water characteristics during an experimental perioda

CharacteristicInfluentEffluent
SO4 2− 290 (±60)330 (±80)
NO3 347 (±46)13 (±10)
NH4 + 677 (±220)693 (±193)
DOC1,560 (±530)1,250 (±510)
Total Fe54.5 (±11.5)26.0 (±1.0)
Dissolved Fe8.0 (±2.0)10.1 (±3.0)
DO40 (±30)
Temp (°C)13.7 (±5.2)
pH6.9 (±0.3)
  • a Data were collected after the steady-state condition was achieved. Values in parentheses are standard deviations. Except for temperature and pH, values are shown in micromoles liter−1.