Macropores

> 50

Microfiltration

50-500

Yeasts & fungi

Bacteria

Oil emulsion

1000-10000

300-10000

100-10000

Mesopores

2-50

Ultrafiltration

2-50

Colloidal Solid

Viruses

Protein/Polysaccharide

Humic/Nucleic Acids

100-1000

30-300

30-300

3-10

< 3

Micropores

0.2-2

Nanofiltration ≤ 2

Reverse Osmosis

0.3-0.6

Common antibiotics

Organic antibiotics

Organic ions

Water

0.6-1.2

0.3-0.8

0.2-0.4

0.2