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

Table 1

Effect of nAg₂O and nCuO on microbial removal using agar diffusion disk test.

Types of polyester nanoparticles filters	Gram-negative		Gram-positive
	Escherichia coli	Salmonella typhi	Staphylococcus aureus	Enterococcus faecalis
nAg2O	+++	+++	++	+
nCuO	++	+	++	−

+: low effect (<5 mm diameter); ++: moderate effect (5–15 mm diameter); +++: high effect (>15 mm diameter); −: no effect.