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. 2020 Jun 6;10(6):118. doi: 10.3390/membranes10060118

Table 2.

Physicochemical characteristics of influent and effluent for synthetic and domestic wastewater.

Parameters Synthetic wwt Domestic wwt
Influent Effluent Influent Effluent
COD, mg/L 447 ± 68 14 ± 4.0 496 ± 71 26 ± 6.4
NH4-N, mg/L 28 ± 11 0.02 ± 0.01 34 ± 5.3 0.02 ± 0.02
NO3-N, mg/L 0.16 ± 0.12 26 ± 10 0.47 ± 0.13 34 ± 21
Total N, mg/L 46 ± 12 30 ± 8 75 ± 11 44 ± 19
COD/Total N 9.7 - 6.6 -
F/M, g COD/g MLSS/d 0.16 ± 0.03 0.24 ± 0.03
Retention time 1, h 13.9 10.9

1 Incorporates the volume of aeration (20 L) and membrane (5 L) tank.