Nanofiltration
The alternative to traditional water softening
With nanofiltration, ions dissolved in water are held back to a lesser degree than with reverse osmosis. Typical salt retention rates are between approximately 80 - 85 %. Multivalent ions (e.g. Ca and Mg) are retained better than univalent ions (e.g. Na, K). Nanofiltration systems are often a good alternative to reverse osmosis systems because there is no need for time-consuming regular regeneration with large amounts of salts.
It costs less
If lower salt retention is acceptable, nanofiltration is a suitable choice. These systems can be operated at lower operating pressures and a smaller booster pump can be used, all of which reduces costs. You benefit from a) lower investment costs and b) even more importantly, lower operating costs. For more information or if you have any questions, contact us – we're here to help.
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