Reverse Osmosis Membrane Model BW30FR-400/34 Applied In Steel Plants

Introduction
The Reverse Osmosis (RO) Membrane Model BW30FR-400/34, supplied by XINXIANG LIFEIERTE FILTER CORP., LTD under the LeFILTER brand, represents a pinnacle of innovation in water treatment technology. Designed for brackish water desalination and industrial applications, this membrane is part of the renowned Dow Filmtec series, ensuring high performance and reliability. As a critical component in modern water purification systems, the BW30FR-400/34 excels in removing dissolved salts, organic contaminants, and microorganisms, delivering purified water that meets stringent industrial and municipal standards. Its robust construction and advanced filtration capabilities make it a preferred choice for sectors ranging from steel manufacturing to pharmaceuticals.

Product Features

1. High Salt Rejection: The BW30FR-400/34 membrane boasts an exceptional NaCl rejection rate of 99.5%, ensuring minimal dissolved solids in the product water. This feature is critical for applications requiring ultra-pure water, such as electronics manufacturing or boiler feedwater.

2. Low Operating Pressure: Engineered for energy efficiency, this membrane operates effectively at low pressures (as low as 225 psi or 1.55 MPa), reducing energy consumption and operational costs while maintaining high flux rates.

3. Fouling Resistance: The FR (Fouling Resistant) design incorporates a hydrophilic membrane surface and optimized feed spacers, minimizing the adhesion of colloidal particles, organic matter, and microorganisms. This extends cleaning cycles and prolongs membrane lifespan.

4. Wide pH Tolerance: With an operational pH range of 4.0–11.0 and cleaning tolerance up to pH 11.5, the membrane withstands harsh chemical environments, enabling effective maintenance and scalability across diverse water sources.

5. Compact and Durable Design: Available in standardized 4-inch and 8-inch diameters, the membrane integrates seamlessly into existing systems. Its glass fiber-reinforced polyamide structure ensures mechanical stability under high-pressure conditions.

Technical Specifications

• Model: BW30FR-400/34

• Average Flow Rate: 10,500 gallons per day (39.7 m³/day) at 225 psi (1.55 MPa)

• Effective Membrane Area: 400 ft² (37.2 m²)

• Test Conditions: 2,000 ppm NaCl solution, 77°F (25°C), pH 7.5, 15% recovery

• Maximum Operating Pressure: 600 psi (4.137 MPa)

• Temperature Range: Up to 122°F (50°C) for continuous operation

• Chlorine Tolerance: <1,000 ppm·hours (recommended residual chlorine removal pretreatment)

• Feed Water Requirements: SDI <5, turbidity <1 NTU, iron <0.1 ppm

•                       Structure

Product Advantages

1. Energy Efficiency: The low-pressure operation reduces pump energy consumption by up to 30% compared to conventional RO membranes, aligning with global sustainability goals.

2. Long Service Life: Advanced anti-fouling technology and compatibility with frequent cleaning protocols (CIP) extend membrane life to 3–5 years under optimal conditions.

3. Consistent Performance: Stable flux and rejection rates are maintained even with fluctuating feed water quality, ensuring reliable output for critical processes.

4. Cost-Effective Maintenance: Reduced fouling translates to fewer chemical cleanings, lower downtime, and minimized replacement costs.

5. Versatility: Suitable for diverse water sources, including groundwater, surface water, and wastewater, making it adaptable to regional water challenges.

Application in Steel Plants
In steel manufacturing, water quality is paramount for cooling systems, boiler operations, and gas scrubbing. The BW30FR-400/34 membrane addresses these needs through:

• Cooling Water Treatment: Removes scale-forming ions (Ca²⁺, Mg²⁺, SiO₂) from recirculating cooling water, preventing equipment corrosion and improving heat exchange efficiency.

• Boiler Feedwater Purification: Produces high-purity water with <10 µS/cm conductivity, reducing blowdown frequency and enhancing steam generation efficiency.

• Wastewater Reuse: Treats acidic rinse water and rolling mill effluents, recovering up to 75% of water for reuse and complying with zero-liquid discharge (ZLD) regulations.

• Heavy Metal Removal: Effectively rejects chromium, nickel, and zinc ions from pickling and electroplating wastewater, ensuring compliance with environmental standards.

Other Application Fields

1. Power Generation: Produces ultra-pure water for turbine cooling and demineralization, critical for nuclear and thermal power plants.

2. Electronics Manufacturing: Supplies deionized water for semiconductor fabrication, where even trace impurities disrupt microchip production.

3. Pharmaceuticals: Ensures sterile water for injection (WFI) and drug formulation, meeting USP and EP pharmacopeia standards.

4. Food & Beverage: Purifies water for brewing, dairy processing, and bottling, enhancing product safety and taste.

5. Municipal Water Supply: Desalinates brackish water and treats surface water to provide safe drinking water in arid regions.

Development Prospects
The global demand for advanced RO membranes like the BW30FR-400/34 is projected to grow exponentially, driven by:

• Water Scarcity: Increasing reliance on brackish water and seawater desalination in water-stressed regions.

• Industrial Expansion: Steel, power, and chemical industries prioritizing water reuse to meet ESG (Environmental, Social, Governance) targets.

• Technological Advancements: Integration of IoT and AI for predictive maintenance, optimizing membrane performance and reducing operational risks.

• Regulatory Pressures: Stricter discharge limits under frameworks like the EPA’s Effluent Guidelines, necessitating high-efficiency filtration solutions.

XINXIANG LIFEIERTE FILTER CORP., LTD continues to innovate, partnering with global leaders like Dow and Hydranautics to enhance membrane durability and adaptability. Future iterations may incorporate graphene-based materials or biomimetic designs, further reducing energy demands and expanding applications in emerging markets.

Conclusion
The BW30FR-400/34 Reverse Osmosis Membrane stands as a testament to precision engineering and environmental stewardship. By delivering unmatched efficiency, durability, and versatility, it empowers industries to achieve sustainable water management while adhering to the highest quality standards. As water challenges intensify, this membrane will remain a cornerstone of modern purification systems, driving progress across sectors and geographies.

other optional part numbers

Dow	Hydranautics	Toray	CSM	GE	VONTRON
BW30XFR-400/34	ESPA1-4040	TMH20A-400C	RE4040-BLR	AG8040F-400FR,34	SW4040HR
BW30FR-400/34	CPA2-4040	TMH20A-440C	RE8040-BE	AG8040F-400	ULP21-8040
BW30-400/34	PA3-LD	TMG20-370C	RE8040-BLN	AG8040F-400LF	ULP2012
BW30-400/34i	SWC5-LD	TMG20-400C	RE8040-BLR	AG4040FM	ULP1812
BW30-400	ESPA2-4040	TMG20-440C	RE4040-BE	AG8040F-365	ULP32-8040
BW30-400IG	YQS-4040	TMG20D-400	RE4040-BLN	AG8040N-400	ULP31-4040
BW30-365	ESPA2-7	TMG20D-440	L-RO-4040	AK4040FM	ULP22-8040
BW30XFR-400/34i	CPA6-LD	TM720-370	RE1812-HR50	AG4040F	ULP21-4040
BW30FR-400/34i	ESPA2 MAX	TM720-400	RE1812-HR75		ULP2012
BW30HRLE-440	LFC3-LD	TM720-440	RE4040-TE
BW30HRLE-440i	ESPA2	TM720C-440	RE2521-TE
XFRLE-400/34i	PR0C10	TM720D-370	RE2540-TE
SW30HRLE-400	PR0C20	TM720D-400	RE4040-TE
BW30FR-400/34i	ESPA2-4040	TM720D-440	RE4040-TL
BW30XFRLE-400/34i	ESPA4-4040	TML20N-400	ETC.
BW30LCHR-4040	CPA3-LD-8040	TML20DA400
BW30-4040	SWC5-8040	TML20D-370
LCLE-4040	YQS-8040	TML20D-400
BW30HRLE-4040	ESPA2-8040	TMH10A
SW30-4040	ESNA1-LF-LD	TMG10D
BW30HR-380	ESNA1-K1	TM710D
SFP-2880	CPA3-LD	TML10D