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The filtration quality is to be qualified relatively simply with the pore size of the applied filter membrane:
- Activated charcoal filters (within the range of 10-5 m).
- Micro-filters (within the range of micrometers (10-6 m).
- Reverse osmosis (to a maximum of 15 nanometers (1.5 x 10-8 m). *
A water molecule has a diameter of approximately 0.15 nanometer (0.15 x 10-9 m).
A water cluster loaded with pollutants (700 water molecules + stored pollutants) has a diameter of approximately 2.5 nanometers ( 2.5 x 10-9 m).
Conclusion: The water cluster loaded with pollutants with a diameter of 2.5 nanometers ( 2.5 x 10-9 m), is substantially smaller than the pores of the reverse osmosis filter with a diameter of 15 nanometers (1.5 x 10-8 m) and can not be filtered out even by this very highly developed filter technology.
*: indication of a prominent reverse osmosis membrane manufacturer: FLIMTEC Membranes (Dow)
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