Membrane technology
|
Driving force
|
Essential separation mechanism
|
| Microfiltration |
pressure difference
(0.5-5 bars) |
sieve effect |
| Ultrafiltration |
pressure difference
(0.5-10 bars) |
sieve effect |
| Nanofiltration |
pressure difference
(5 - 60 bars) |
Different solubility and diffusion |
| Reverse osmosis |
pressure difference
(10 - 160 bars) |
Different solubility and diffusion |
| Electrodialysis |
electric potential |
Different solubility and diffusion because of different charges |
| Membrane electrolysis |
electric potential |
Different solubility and diffusion because of different charges |
| Diffusion dialysis |
concentration gradient |
Different solubility and diffusion |
