RO membranes: BWRO, SWRO, low-energy and fouling-resistant
RO membrane elements from Mai Fina: brackish water (BWRO), seawater (SWRO), low-energy and fouling-resistant spiral-wound elements in 4040 and 8040 sizes, with element replacement, cleaning and membrane autopsy for RO plants across the UAE.
Membrane types
- BWRO elements for brackish well and surface water.
- SWRO high-rejection elements for seawater desalination.
- Low-energy elements for lower feed pressure on low-TDS feed.
- Fouling-resistant elements for feeds with organics or biofouling risk.
Sizes
Standard 4040 (4 inch by 40 inch) elements for smaller skids and 8040 (8 inch by 40 inch) elements for industrial and desalination trains, compatible with standard pressure vessels.
Key features and benefits
- Element selection from projection software using your water analysis.
- Like-for-like replacement or upgrade of existing elements.
- Element loading, shimming and interconnector and O-ring checks.
- Performance normalisation after start-up.
Cleaning and membrane autopsy
CIP cleaning with low-pH and high-pH cleaners, and membrane autopsy of a sacrificed element to identify scale, fouling or chemical damage before replacing a full set.
Applications
Industrial and camp RO, seawater desalination, food and beverage, bottled water, dialysis pretreatment, boiler make-up and agriculture.
Design data we need
Current element model and count, vessel arrangement, water analysis, operating data (pressures, flows, conductivity) and cleaning history.
Specifications
| Parameter | Typical |
|---|---|
| Sizes | 4040 (4 x 40 in) and 8040 (8 x 40 in) |
| Element type | Spiral-wound thin-film composite polyamide |
| Operating pressure | Typical up to 41 bar (BWRO), up to 83 bar (SWRO) |
| Salt rejection | Typical 99 to 99.8% (test conditions) |
| Feed pH range | Typical 2 to 11 continuous |
| Max feed temperature | Typical 45 °C |
| Free chlorine tolerance | Below 0.1 mg/L |
| Housing materials | FRP pressure vessels |
Typical values. Final specifications depend on feed water analysis and site requirements.
Talk to us
Send your water analysis and duty to info@maifina.com or WhatsApp / call +971 55 521 7294.