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Table 1

Physical–chemical characteristics of the primary domestic wastewater during the experiment

Parameter	Unit	Concentration
Surfactant	mg L⁻¹	9.9 ± 0.7
COD	mg L⁻¹	127 ± 11
TOC	mg L⁻¹	119 ± 9
IC	mg L⁻¹	53 ± 11
TN	mg L⁻¹	66 ± 15
N-NH₄⁺	mg L⁻¹	20 ± 5
TP	mg L⁻¹	6.1 ± 0.4
pH	–	8.0 ± 0.1

Parameter	Unit	Concentration
Surfactant	mg L⁻¹	9.9 ± 0.7
COD	mg L⁻¹	127 ± 11
TOC	mg L⁻¹	119 ± 9
IC	mg L⁻¹	53 ± 11
TN	mg L⁻¹	66 ± 15
N-NH₄⁺	mg L⁻¹	20 ± 5
TP	mg L⁻¹	6.1 ± 0.4
pH	–	8.0 ± 0.1