Nanofiltração
Nanofiltração is a membrane filtration process that falls between reverse osmosis and ultrafiltration in terms of pore size. Its membranes typically have pore sizes ranging from 0.001 to 0.01 micrometers. This allows nanofiltration to effectively remove divalent ions, larger monovalent ions, and uncharged organic molecules while allowing smaller monovalent ions and water to pass through.
The primary applications of nanofiltration include water softening, the removal of color and dissolved organic matter
Nanofiltration membranes are typically made from polymers such as polyamides or polysulfones. The process operates at