Table 8 Comparison of MF, UF, NF, and RO membranes84,191.
From: A critical review of point-of-use drinking water treatment in the United States
Particle size (μm) | Pressure (bar) | Removal efficiency | ||||
|---|---|---|---|---|---|---|
Bacteria | Protozoan | Viruses | NaCl | |||
MF | 0.1–1 | 0. 5–1 | na | log 2–5 | log <1 | / |
UF | 0.01–0.1 | 1–10 | na | log >6 | log >3 | / |
NF | 0.001–0.01 | 5–70 | log 3–6 | log >6 | log 3–5 | 10–50% |
RO | 0.0001–0.001 | 10–100 | log 4–7 | log >7 | log 4–7 | 90–99% |
