Journal of Chemistry

Research Article

Factors Influencing Nitrogen Removal in a Decentralized Sewage Treatment Reactor

Table 3

Nitrogen removal in a DSTR at different sludge concentrations.
Sludge concentration (g/L)TN (mg/L) N H 4 + -N (mg/L) Effluent N O 3 − -N (mg/L) Effluent N O 2 − -N (mg/L)
InfluentEffluentInfluentEffluent
1 . 5 ± 0 . 2 3 8 . 6 3 ± 2 . 0 0 3 2 . 7 7 ± 2 . 1 1 3 4 . 0 0 ± 1 . 7 3 6 . 6 7 ± 2 . 5 2 2 4 . 6 0 ± 3 . 8 0 0 . 4 7 ± 0 . 0 4
3 . 5 ± 0 . 3 4 8 . 2 5 ± 1 1 . 1 3 3 4 . 0 6 ± 9 . 7 6 2 4 . 7 9 ± 4 . 8 6 9 . 4 5 ± 1 2 . 9 2 5 . 7 6 ± 1 5 . 9 9 1 . 6 3 ± 1 . 7 8
4 . 5 ± 0 . 7 3 5 . 7 5 ± 9 . 7 4 4 3 . 2 7 ± 4 . 6 3 3 2 . 8 3 ± 9 . 3 6 6 . 8 7 ± 2 . 2 3 3 9 . 0 5 ± 0 . 2 7 0 . 5 8 ± 0 . 4 9