Nanofiltration, in concept and operation, is much the same as reverse osmosis. The key difference is the degree of removal of monovalent ions such as chlorides. Reverse osmosis removes the monovalent ions at 98-99% level at 200 psi. Nanofiltration membranes’ removal of monovalent ions varies between 50% to 90% depending on the material and manufacture of the membrane. For this reason, there is a variety of Nanofiltration membranes available. Each type is particularly suited to a certain application and may not be acceptable to a different application.
Nanofiltration membranes and systems are used for water softening, food and pharmaceutical applications.
Features of ZION ENVIRO Nanofiltration Plants
Optimum water quality is produced by the TFC (thin film composite) membranes.
Very high quality imported vertical multistage, S S 316 High pressure pump are used.
ASME Code FRP, RO pressure vessels
High Pressure and low pressure switches are provided for safe run.
PVC low pressure feed, product and reject piping, 316 stainless steel high pressure piping
Monitoring devices and instruments are provided.
Manufactured with high quality components and membranes.
Equipped with suitable pretreatment.
User friendly Microprocessor / PLC based electrical control devices.
Available from 1 mᶟ/hr to 100 mᶟ/hr capacities.
Can be used to treat even high salinity water.
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Chemical Dosing System