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Hydranautics NANO-SW MAX

Estimated delivery: 2-4 weeks

The NANO-SW nanofiltration membrane product line is primarily used in the oil and gas industry. These membranes are high-performance nanofiltration membranes which are able to selectively remove sulfate, thereby reducing the risks of scaling and reservoir souring when seawater is injected into the oil containing reservoirs for secondary oil production in offshore production. The membrane rejects 99.8% of sulfate while passing other ions, particularly monovalent ions such as chloride and sodium, allowing for ultra-low-pressure operations.

They use patented Low Differential LD™ technology designed to minimize colloidal fouling. NANO-SW membranes use a patented 34 mil thickness feed spacer that prevents colloidal fouling and increases the effectiveness of membrane cleaning – resulting in lower differential pressure.

As a result, the NANO-SW membrane does not need to be cleaned frequently – thus reducing treatment cost – while offering extreme durability and consistent performance.

NANO-SW membrane is globally acclaimed for high sulfate rejection characteristics in oil and gas seawater injection applications. It significantly reduces operating costs and provides optimum hardness rejection in softening applications.


General Product Description*  
Size: 8″ diameter & 40″ length
Permeate Flow: 12,000 gpd (45.4 m3 /d)
MgSO4 Rejection (Nominal): 99.8% (99.6% minimum)
Configuration: Spiral Wound
Membrane Polymer: Composite Polyamide
Product Use and Restrictions  
Maximum Applied Pressure: 600 psig (4.14 MPa)
Maximum Chlorine Concentration: < 0.1 ppm
Maximum Operating Temperature: 113 °F (45 °C)
pH Range, Continuous (Cleaning): 3 – 9 (1 –11.5)
Maximum Feedwater Turbidity: 1.0 NTU
Maximum Feedwater SDI (15 mins): 5.0
Maximum Feed Flow: 75 gpm (17.0 m3 /h)
Maximum Pressure Drop for Each Element: 15 psi (0.10 MPa)
Typical Seawater Performance:  
Nominal Permeate Flow: 7,150 gpd (27.0 m3 /d)
Nominal Chloride Rejection: 25%
Nominal Sulfate Rejection: 99.8%
*Please refer to standard testing conditions and details in the enclosed datasheet


Less Then Crate (LTC) surcharge rates
Surcharge per element for Less Then Crate (LTC) will be applicable as stated below.
8 inch membranes (1-25 pieces) = 20€ / membrane
4 inch membranes (1-80 pieces) = 10€ / membrane

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