Table 1.

Comparison of the chemical data between the feeding wastewaters and the SBR effluent across the eight experimental weeks. Data represent average values (±standard deviation).

Time	Feeding wastewater [mg/L]							SBR effluent [mg/L]							pH		Conductivity [μS/cm]
	NO2--N	NO3--N	NH4+-N	COD	Norg-N	Ptot	TSS	NO2--N	NO3--N	NH4+-N	COD	Norg-N	Ptot	TSS	In	Out	In	Out
Week 1	0 (±0)	0 (±0)	162.0 (±13.1)	756.0 (±0.0)	35.0 (±0.0)	3.0 (±0.0)	101.0 (±0.0)	43.6 (±18.9)	1.3 (±0.8)	72.0 (±32.4)	546.0 (±0.0)	26.3 (±0.0)	2.6 (±0.0)	92.0 (±0.0)	9.1 (±0.0)	7.9 (±0.2)	2093.7 (±26.6)	2433.3 (±75.9)
Week 2	0 (±0)	0 (±0)	163.0 (±12.0)	647.0 (±0.0)	35.0 (±0.0)	2.6 (±0.0)	106.0 (±0.0)	82.0 (±8.9)	3.4 (±0.0)	34.5 (±1.5)	507.0 (±0.0)	24.0 (±0.0)	2.4 (±0.0)	90.0 (±0.0)	9.1 (±0.1)	7.9 (±0.1)	2148.0 (±20.0)	2380.0 (±40.0)
Week 3	0 (±0)	0 (±0)	163.0 (±13.5)	666.0 (±37.0)	33.0 (±2.0)	2.5 (±0.3)	107.5 (±3.5)	54.5 (±10.7)	6.2 (±2.9)	35.3 (±2.6)	474.0 (±16.0)	27.0 (±4.0)	2.3 (±0.1)	74.5 (±6.5)	8.8 (±0.2)	7.7 (±0.0)	2265.0 (±75.0)	2415.0 (±35.0)
Week 4	0 (±0)	0 (±0)	165.7 (±15.5)	720.0 (±16.5)	36.6 (±6.6)	3.4 (±1.1)	253.0 (±0.0)	26.9 (±3.4)	2.2 (±1.4)	31.3 (±2.1)	456.5 (±27.5)	27.2 (±0.8)	2.3 (±0.2)	74.0 (±0.0)	8.8 (±0.0)	7.8 (±0.0)	2246.5 (±73.5)	2240.0 (±30.0)
Week 5	0 (±0)	0 (±0)	182.7 (±20.3)	729.5 (±14.5)	25.5 (±5.5)	3.1 (±0.2)	91.0.0 (±5.0)	31.8 (±7.4)	1.2 (±0.1)	35.8 (±3.3)	483.5 (±4.5)	25.5 (±3.5)	3.1 (±0.1)	82.0 (±15.0)	8.7 (±0.2)	7.7 (±0.1)	2282.5 (±274.6)	2492.0 (±117.1)
Week 6	0 (±0)	0 (±0)	196.5 (±0.5)					15.5 (±4.9)	0.9 (±0.2)	42.5 (±4.5)
Week 7	0 (±0)	0 (±0)	200.3 (±15.2)	843.0 (±0.0)	19.7 (±2.7)	3.4 (±0.0)	49.0 (±0.0)	28.3 (±7.7)	1.3 (±0.1)	15.7 (±3.4)	490.0 (±0.0)	24.0 (±0.0)	2.9 (±0.0)	57.0 (±0.0)	8.8 (±0.1)	7.6 (±0.2)	2183.0 (±27.0)	2216.5 (±43.5)
Week 8	0 (±0)	0 (±0)	173.0 (±17.0)		25.0 (±0.0)			18.8 (±5.4)	1 (±0.1)	18.0 (±3.0)		20.0 (±0.0)			8.6 (±0.0)	7.3 (±0.1)	2076.5 (±91.5)	2137.0 (±93.0)