Product Overview
The BW30-400IG is a high-efficiency reverse osmosis membrane designed for large-scale water treatment projects. It employs advanced composite polyamide material, ensuring optimal separation of salts, organic compounds, and microorganisms. The model is optimized for both brackish water and seawater desalination, making it suitable for industries requiring ultra-pure water.
Key features include:
High Purity: Removes up to 99.9% of dissolved solids, bacteria, and viruses.
Energy Efficiency: Low pressure operation reduces energy consumption compared to traditional RO membranes.
Long Lifespan: Robust construction minimizes fouling and chemical degradation.
Modular Design: Flexible integration into existing systems or new installations.
Technical Specifications
BW30-400IG is engineered to meet rigorous industrial standards:
| Parameter | Value |
|---|
| Membrane Area | 400 sq.ft (37.2 m²) |
| Filter Pore Size | 0.1 nm |
| Operating Pressure | 15–40 bar (217–579 psi) |
| Max Temperature | 45°C (113°F) |
| pH Range | 2–11 |
| Water Recovery Rate | Up to 75% |
| Salt Rejection Rate | ≥99.5% (NaCl) |
This specification ensures the membrane handles high turbidity and variable feed water quality while maintaining consistent performance.
Product Performance
Unmatched Filtration Efficiency:
BW30-400IG achieves exceptional removal of salts, heavy metals (e.g., lead, cadmium), and nitrates, making it ideal for drinking water production and industrial processes requiring strict purity standards.
Resistance to Fouling:
The hydrophilic surface design reduces organic and inorganic fouling, minimizing cleaning frequency and extending operational lifespan.
Adaptability to Harsh Conditions:
Withstanding high chlorine levels (up to 5 ppm) and oxidizing agents, it suits pre-treated water streams common in municipal and industrial settings.
Working Structure
The BW30-400IG membrane is constructed using a roll-to-roll process, forming a compact spiral-wound module. Key components include:
Composite Polyamide Film: Provides high mechanical strength and chemical resistance.
Support Layer: Ensures structural integrity while allowing water permeation.
Anti-Fouling Coating: Reduces biofilm formation through hydrophobic properties.
Water enters the module under pressure, forcing it through the nanoscale pores. Impurities are rejected, and purified water exits the collection channel. This design balances flow rate and pressure drop, optimizing energy use.
Why Choose BW30-400IG
Cost-Effective Longevity:
Reduced maintenance and extended lifespan lower total ownership costs compared to conventional membranes.
Energy Efficiency:
Low-pressure operation aligns with green energy goals, reducing carbon footprint.
Wide Application Scope:
Suitable for desalination, wastewater reuse, and high-purity water generation in multiple sectors.
Proven Reliability:
Backed by Suez’s global expertise and rigorous testing protocols, ensuring consistent performance in diverse environments.
Applications in the Textile Industry
The textile sector relies heavily on water for dyeing, finishing, and fabric washing. BW30-400IG plays a pivotal role in:
Wastewater Treatment:
Treating highly polluted effluents containing synthetic dyes, salts, and organic chemicals. A study by Suez demonstrates that BW30-400IG can reclaim 80% of wastewater for reuse, slashing freshwater consumption by 50%.
Dye Removal:
Efficiently stripping residual dyes from rinse water, ensuring compliance with environmental regulations and reducing disposal costs.
Cooling System Water Purification:
Providing high-purity water for textile machinery cooling, preventing mineral buildup and equipment damage.
Other Industries Benefiting from BW30-400IG
Food & Beverage:
Used in beverage bottling plants to ensure water meets strict microbial and chemical standards.
Pharmaceuticals:
Produces sterile water for drug formulation and equipment cleaning.
Power Generation:
Enhances efficiency in steam turbine cooling systems by removing hardness ions.
Marine Desalination:
Handles high-salinity seawater inputs, making it ideal for offshore platforms and coastal communities.
Other Models in the BW30 Series
Suez offers a range of complementary RO membranes:
BW30-400J: Similar to BW30-400IG but optimized for lower feed water pressures, suitable for small-scale systems.
BW30-804L: Extended length for higher flow rates, ideal for large industrial complexes.
BW30-ULTRA: Enhanced anti-fouling properties for hypersaline environments.
Each variant addresses specific operational needs, ensuring flexibility in system design.
Conclusion
The BW30-400IG reverse osmosis membranerepresents a paradigm shift in water purification technology. Its combination of high performance, energy efficiency, and durability makes it indispensable for industries prioritizing sustainability and cost-effectiveness. From textile wastewater treatment to seawater desalination, this product delivers unmatched value, solidifying Suez’s position as a leader in innovative water solutions.
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