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Xinxiang Lifeierte Filter Corp., Ltd., a pioneer in advanced filtration solutions, introduces the RE4021-TE Reverse Osmosis (RO) Membrane, a high-performance spiral-wound membrane engineered for industrial and commercial applications requiring exceptional salt rejection and durability. Designed to excel in challenging environments, including wind power plants, pharmaceuticals, and seawater desalination, the RE4021-TE combines cutting-edge material science with robust construction to deliver reliable, long-term performance.
The RE4021-TE membrane is optimized for efficiency and reliability. Key specifications include:
Parameter | Specification |
---|---|
Model | RE4021-TE |
Effective Membrane Area | 29 ft² (2.6 m²) |
Average Flow Rate (m³/d) | 700 (at 500 ppm NaCl solution) |
NaCl Rejection Rate | ≥99.0% |
Maximum Operating Pressure | 600 psig (41.4 bar) |
Operating pH Range | 4.0–11.0 |
Cleaning pH Range | 2.0–11.5 |
Maximum Temperature | 122°F (50°C) |
Standard Feed Spacer | 34 mil |
Housing Material | Fiberglass-reinforced plastic (FRP) |
Note: Test conditions: 500 ppm NaCl solution, 115 psi (793 kPa), 77°F (25°C), pH 7.5, 15% recovery rate.
The RE4021-TE operates on the principle of reverse osmosis, leveraging a semi-permeable polyamide composite membrane to remove dissolved solids, bacteria, and organic contaminants. Here’s how it works:
High-Pressure Feed: Pretreated water is pressurized by a pump (up to 600 psig) and forced through the membrane.
Selective Separation: Water molecules permeate through the dense polymer matrix of the membrane, while dissolved ions (Na⁺, Cl⁻, Ca²⁺), organic compounds, and microbes are rejected.
Dual Streams: Purified water (permeate) is collected, while concentrated brine (reject stream) is safely discharged.
The spiral-wound design maximizes surface area and minimizes pressure drop, ensuring efficient filtration even in high-TDS feedwater.
High Salt Rejection: Achieves ≥99.0% NaCl rejection, making it ideal for brackish water and seawater applications.
Low Energy Consumption: Optimized for operation at 115 psi (793 kPa), reducing energy costs by 20% compared to conventional RO membranes.
Anti-Fouling Design: Hydrophilic membrane surface and 34-mil feed spacers minimize particulate fouling and biofouling.
Extended Lifespan: Withstands rigorous cleaning cycles (pH 2.0–11.5) and operates reliably for 3–5 years under proper maintenance.
Broad Compatibility: Suitable for feedwater with TDS up to 5,000 ppm and SDI <5.
The RE4021-TE membrane features a multi-layer composite structure:
Polyamide Active Layer: Ultra-thin, dense polymer film for precise ion rejection.
Polysulfone Support Layer: Provides mechanical strength and porosity.
Fiberglass Outer Shell: Protects against abrasion and chemical corrosion.
34-mil Feed Spacer: Enhances turbulence to reduce scaling and fouling.
Each element is vacuum-sealed to ensure integrity during transportation and storage.
In wind energy facilities, the RE4021-TE plays a critical role in maintaining operational efficiency:
Cooling Water Purification: Removes scaling ions (Ca²⁺, Mg²⁺) from turbine cooling circuits, preventing corrosion and mineral buildup.
Lubrication System Maintenance: Supplies ultra-pure water for hydraulic fluids, extending equipment lifespan.
Battery Storage Systems: Produces deionized water for electrolyte preparation in energy storage units.
Case Study: A wind farm in coastal China reduced maintenance costs by 40% after installing RE4021-TE membranes, thanks to their consistent removal of silica and iron contaminants.
Food & Beverage: Generates process water for brewing, bottling, and ingredient mixing (meets FDA/WHO standards).
Pharmaceuticals: Provides USP-grade water for drug formulation and equipment sterilization.
Desalination: Converts seawater into potable water for coastal communities (TDS reduction >99%).
Electronics Manufacturing: Produces ultrapure water (18.2 MΩ·cm) for semiconductor rinsing.
The RE4021-TE Reverse Osmosis Membrane by Xinxiang Lifeierte Filter Corp., Ltd., sets a new benchmark in filtration technology. With its unmatched salt rejection, energy efficiency, and versatility across industries, it is the go-to solution for sustainable water management. Whether powering wind turbines or ensuring pharmaceutical safety, the RE4021-TE delivers purity, reliability, and long-term value.
Dow | Hydranautics | Toray | CSM | GE | VONTRON |
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BW30-400/34 | C 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-BLN | AG8040F-365 | ULP32-8040 |
BW30-400IG | YQS-4040 | TMG20D-400 | RE4040-BE | AG8040N-400 | ULP31-4040 |
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BW30FR-400/34i | ESPA2 MAX | TM720-400 | RE1812-HR75 | ETC. | ETC. |
BW30HRLE-440 | LFC3-LD | TM720-440 | RE1812-HR100 | ||
BW30HRLE-440i | ESPA2 | TM720C-440 | RE4021-TE | ||
XFRLE-400/34i | PR0C10 | TM720D-370 | RE2521-TE | ||
SW30HRLE-400 | PR0C20 | TM720D-400 | RE2540-TE | ||
BW30FR-400/34i | ESPA2-4040 | TM720D-440 | RE4040-TE | ||
BW30XFRLE-400/34i | ESPA4-4040 | TML20N-400 | RE4040-TL | ||
BW30LCHR-4040 | CPA3-LD-8040 | TML 20D-370 | ETC. | ||
BW30-4040 | SWC5-8040 | TML20DA400 | |||
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 |