Description
FilmTec Seawater Reverse Osmosis 8″ Membranes
DuPont offers FilmTec SW30XLE-440i dry-tested reverse osmosis membrane elements to give our customers the flexibility that comes with increased ability for storage and the operational and safety benefits related to its lower weight and the absence of preservation solution. For years, innovation in the SWRO space has been focused on incremental improvement of product specifications. The ability to transition from wet testing to dry testing seawater membranes is one of the biggest breakthroughs in the water filtration industry in many years. This innovation beyond product specifications has been enabled thanks to continuous advancements in membrane chemistry, automated precision & consistent manufacturing, single source production and enhancements in testing methods and procedures.
FilmTec SW30XLE-440i Key Features
- Delivers low total cost of water by optimizing energy consumption and system productivity.
- Permits low system capital cost by maximizing production capacity.
- Excellent durability resulting in stable, long-term performance.
- Longer storage time and warranty coverage with improved sustainability footprint versus our wet RO membrane elements.
- Includes iLEC interlocking end caps, reducing system operating costs and the risk of o-ring leaks that can cause poor water quality.
- Dry elements do not have expiration date, making easier warehouse maintenance and inventory planning.
- Dry elements do not need re-preservation while wet elements preservation solution needs to be checked after 12 months of storage and eventually replaced.
Operating Conditions
- Membrane Type: Polyamide Thin-Film Composite
- Maximum Operating Temperature: 113°F (45°C)
- Maximum Operating Pressure: 1,200 psig (83 bar)
- Maximum Element Pressure Drop
Per element: 15 psig (1.0 bar)
Per pressure vessel (minimum 4 elements): 50 psig (3.5 bar) - pH Range
Continuous Operation: 2 – 11
Short-term Cleaning (30 min): 1 – 13 - Maximum Feed Silt Density Index (SDI): SDI 5
- Free Chlorine Tolerance: < 0.1 ppm
Key Applications
- Seawater desalination for municipal and industrial installations.
- Suitable for medium and high feed water salinity.
- Applicable for optimized Internally Staged Designs (ISD) in combination with other FilmTec™ seawater membranes.
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