Factors Influencing Nitrogen Removal in a Decentralized Sewage Treatment Reactor

Table 1

Nitrogen removal in a DSTR at different surface loads.

Surface load (m^3/(m^2·h))	TN (mg/L)		NH4+-N (mg/L)		Effluent NO3−-N (mg/L)
	Influent	Effluent	Influent	Effluent
1.11±0.13	49.55±2.65	32.60±1.73	41.26±4.64	3.68±1.76	28.19±0.47
1.56±0.13	40.57±1.50	33.27±1.70	35.80±2.88	4.33±2.41	28.07±0.46
1.89±0.05	41.04±8.87	36.11±8.83	34.64±5.81	10.07±6.18	22.75±3.57