Disinfection method | Cost (£/m3) |
Chlorine | 0.0022 - 0.01 |
Ozone | 0.01 - 0.06 |
Electrochemically generated mixed oxidants | 0.001 - 0.024 |
Medium pressure ultraviolet (UV) | 0.0019 |
Electrocoagulation (EC, electrochemical) | 0.014 |
Photodynamic disinfection | 0.0256 |
Pulsed electric fields | 0.0266 |
Advanced low-pressure UV | 0.204 |
Titanium dioxide photocatalysis | 0.26 |
Irradiation | 0.38 |
Solar-titanium dioxide photocatalysis | 0.45 |
Hydrodynamic cavitation | 0.85 |