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Nanofiltration Elements for Water Purification

Nanofiltration is mainly applied in drinking water purification process steps, such as water softening, decoloring, and micropollutant removal. During industrial processes, nanofiltration is applied for the removal of specific components, such as coloring agents. It is a pressure-related process, during which separation takes place based on ionic charges and molecular size.

The technique is mainly applied for the removal of organic substances, such as micropollutants and divalent ions. Nanofiltration elements have a moderate retention for monovalent salts.

Other applications of nanofiltration are:

  • The removal of pesticides from groundwater
  • The removal of heavy metals from wastewater
  • Water softening, as an alternative to an ion exchange softener

Data Sheets