AMR Infinite Technologies

Industrial RO (Reverse Osmosis) Membranes are high-performance separation elements used in commercial and industrial water purification systems. They play a critical role in removing dissolved salts, hardness, organics, and other impurities from feed water, producing permeate water suitable for RO/DM plants, boiler feed, pharma pre-treatment, and process applications.

🔹 What Are RO Membranes?

RO membranes are semi-permeable thin-film composite (TFC) flat or spiral-wound elements that allow water molecules to pass while rejecting dissolved contaminants such as:

• Salts (Na⁺, Cl⁻, Ca²⁺)

• Heavy metals

• Organics and color

• Microorganisms and colloids

They are the heart of every RO system.

🔹 Key Features

• High salt rejection: typically 95–99%

• High flux (flow per unit membrane area)

• Low energy requirement (with proper system design)

• Durable TFC membrane chemistry

• Wide range of sizes for different capacities

🔹 Common Sizes & Ratings

Membrane elements have standardized ports and housings for easy installation.

🔹 Material & Construction

• Thin-Film Composite (TFC) Membrane – polyamide active layer

• Spiral-Wound Configuration – maximizes surface area

• High-strength inner tube

• Pressure-rated outer wrap

Operating conditions:

• Operating Pressure: 10–30 bar (varies with salinity)

• Temperature Range: 5–45°C

• pH Range: 2–11 (cleaning limits vary)

🔹 Applications

✔ Industrial RO systems
✔ Pre-treatment for DM & PW plants
✔ Boiler feed water
✔ Pharmaceutical pre-RO systems
✔ Desalination of brackish water
✔ Food & beverage process water

🔹 Operating Considerations Feed Water Quality

Better feed water (low TDS, low turbidity) results in longer membrane life.

Anti-Scalants

Used to prevent scale formation on membrane surfaces.

Pre-Filtration

Micron filtration (<5 µ) before RO extends membrane life.

Cleaning

Periodic chemical cleaning restores performance.

🔹 Benefits

✔ High rejection of dissolved impurities
✔ Reliable performance in industrial environments
✔ Scalable for different capacities
✔ Compatible with automated RO controls