Research Article

Factors Influencing Nitrogen Removal in a Decentralized Sewage Treatment Reactor

Table 4

Nitrification and denitrification rates in a DSTR at different sludge concentrations.

Sludge concentration (g/L) 1 . 5 ± 0 . 2 3 . 5 ± 0 . 0 3 4 . 5 ± 0 . 7

𝑟 n i t r i c a t i o n (g/(m3·d)) 5 7 . 3 6 ± 3 . 2 6 8 0 . 6 1 ± 1 9 . 0 3 6 1 . 8 7 ± 3 6 . 3 4
𝑟 d e n i t r i c a t i o n (g/(m3·d)) 1 1 . 0 3 ± 2 . 2 0 2 8 . 5 8 ± 1 . 2 2 /
𝑟 n i t r i c a t i o n (mg/(gMLSS·d)) 3 0 ± 3 2 0 ± 5 1 0 ± 8
𝑟 d e n i t r i c a t i o n (mg/(gMLSS·d)) 6 ± 1 7 ± 4 /