Suez – RO Membranes – Vinopro NF Series – Vinopro NF4040C35

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Description

The Vinopro NF family of proprietary thin-film nanofiltration membrane elements are characterized by an approximate molecular weight cut-off of 150-300 Dalton for uncharged organic molecules. Divalent and multivalent ions are preferentially rejected by the membrane while monovalent ions rejection is
dependent upon feed concentration and composition. Since monovalent ions pass through the membrane, they do not contribute to the osmotic pressure, thus enabling Vinopro membrane systems to operate at feed pressures below those of RO systems. The D-Series membrane has a minimum rejection of 98% on 2,000 ppm MgSO4 at 25 °C and 110 psi operating pressure.

The Vinopro NF Elements are typically used for grape sugars concentration, oak extract fractionation,
alcohol and acidity reduction and wine adjustment.

The Vinopro NF Elements feature a Durasan* Cage patented outer wrap, a selection of feed spacers and
polysulfone parts.

Typical Operating Pressure 140-800 psi (966-5,516 kPa)
Typical Operating Flux 5-20 GFD (8–34 LMH)
Clean Water Flux (CWF) (1) 14 GFD (24 LMH) @ 110 psi
Maximum Operating Pressure (2)1,200psi (8,273kPa)
Maximum Temperature 122°F (50°C)
Sanitization Temperature 194°F (90°C)
pH Range 3.0-9.0
Maximum Pressure Drop Over an element: 15 psi (103 kPa)
Per housing: 60 psi (414 kPa)
Chlorine Tolerance 500 ppm-hours dechlorination recommended

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