Ultrashort Hydraulic Retention Time of Aeration and Nonaeration Constructed Wetlands for a Large Volume of Primary-Treated Wastewater from a Medical Rubber Glove Factory

Table 3

Characterization of medical rubber glove factory primary-treated wastewater before incoming the HSFCWs systems.

Parameters	Average	Standard deviation (SD)
pH	8.75	0.01
BOD (mg.l^–1)	4.55	0.18
COD (mg.l^–1)	152.75	3.30
FOG (mg.l^–1)	1.33	0.17
TKN (mg.l^–1)	0.13	0.02
TSS (mg.l^–1)	126.00	0.82
TDS (mg.l^–1)	1,394.50	28.11
EC (µS.cm^–1)	2,691.25	53.25
Salinity (ppt)	651.00	1.15
Temperature (°C)	29.47	0.05