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Table 1 Average values of nitrogen concentration, removal efficiency, and nitrogen load and removal rate during the shift of the feeding medium change (data presented with standard deviation)

From: Bacterial community structure in rotating biological contactor treating coke wastewater in relation to medium composition

  N in (mg/L) N out (mg/L) N removal efficacy (%) NH4-N removal efficacy (%) N load (g/m2/day) N removal rate (g/m2/day)
Synthetic wastewater 930.5 ± 263.0 278.3 ± 178.5 71.1 ± 20.3 97.8 ± 6.5 1.4 ± 0.5 1.0 ± 0.4
Real wastewater 660.4 ± 174.7 540.7 ± 132.9 17.2 ± 19.9 41.5 ± 22.6 0.7 ± 0.4 0.1 ± 0.2
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