Application of Nanometal Oxides In Situ in Nonwoven Polyester Fabric for the Removal of Bacterial Indicators of Pollution from Wastewater

Table 3

Physicochemical and bacterial indicators of raw and treated wastewater*.

Parameters	Raw wastewater	Treated effluent**
pH	7.0±0.14	7.3±0.22
Total suspended solids (TSS) mg/L	200±50.88	10.90±4.39
Chemical oxygen demand (COD) mgO2/L	320±52.9	60.30±9.10
Biological oxygen demand (BOD) mgO2/L	190±28.39	34.60±5.23
Total coliform (MPN-index/100 mL)	2.8×10^7	1.1×10^3
Fecal coliform (MPN-index/100 mL)	1.5×10^7	2.8×10^2

∗Average of 25 samples; **effluent from the integrated treatment system.