Hollow Fiber Pressure UF Series

1.High Filtration Precision, Delivering Reliable Purification Outcomes

The membrane boasts pore sizes typically ranging from 0.001 to 0.1 μm, enabling it to effectively intercept impurities including bacteria, viruses, colloids, large organic molecules, and suspended solids in water, while simultaneously retaining beneficial minerals (such as calcium and magnesium ions). The filtered water produced is crystal-clear, directly fulfilling fundamental purification requirements for drinking water, industrial process water, and various other applications.

2.High Flux and Enhanced Efficiency

4.The hollow fiber structure substantially amplifies the membrane's specific surface area (the effective filtration area per unit volume), leading to a higher filtration flux within the same volume. This facilitates the swift treatment of substantial water volumes, rendering it ideal for large-scale water treatment applications, including municipal and industrial wastewater treatment.

3.Low Operating Costs and Superior Energy Efficiency

The filtration process necessitates only a low operating pressure (typically between 0.1 and 0.3 MPa), resulting in significantly reduced energy consumption compared to advanced filtration technologies like reverse osmosis. Moreover, the membrane modules can be rejuvenated through backwashing and chemical cleaning, prolonging their service life (typically 3-5 years) and minimizing replacement expenses.

4.Robust Anti-Pollution Capability and Extensive Adaptability

Certain materials, such as PVDF membranes, exhibit resistance to acids, alkalis, and oxidation, enabling them to endure intricate water conditions, including highly contaminated industrial wastewater and high-salinity environments. Techniques like cross-flow filtration can mitigate pollutant deposition on the membrane surface, decelerating membrane fouling and ensuring stable operation.

5.Versatile Application Scenarios and High Compatibility

It can be employed independently as an advanced filtration unit or integrated with other processes (such as pretreatment, reverse osmosis, and nanofiltration). It exhibits high compatibility across diverse scenarios, encompassing drinking water purification, wastewater treatment and reuse, and industrial purification.

Polyvinylidene Fluoride (PVDF) Ultrafiltration Membrane

This material boasts exceptional properties, including corrosion resistance, antioxidant capabilities, resistance to acids and alkalis, and outstanding chemical stability. The membrane fibers are crafted using advanced fiber composite manufacturing technology and undergo specialized processes, such as permanent hydrophilic modification, to establish a gradient mesh pore structure. Precise control over pore size allows for accurate material separation, high recovery rates, and consistently stable performance. With bacterial retention rates surpassing 4LOG, this membrane significantly enhances water flux while ensuring stable operation.

• High Flux and Low-Temperature Resistance: The permanently hydrophilized PVDF material, coupled with the gradient network pore structure, delivers exceptionally high permeability. This results in a 40% increase in flux under the same low-temperature pressure differential.

• High Peel Strength: Featuring a crocheted cord lining securely bonded to the PVDF functional layer, the single-filament peel strength reaches ≥1.5 MPa. This effectively eliminates issues like membrane filament deformation, breakage, and fragility of the functional layer, guaranteeing long-term stability in water quality.

• Positioned Wire Arrangement Technology: This technology effectively prevents entanglement, tangling, and mud accumulation that can result from cross-linking of membrane filaments. The soft rubber at the base of the membrane filaments provides cushioning protection, significantly reducing the risk of breakage.

• Dry Storage: The PVDF membrane filaments, produced through the composite modification process, demonstrate excellent chemical resistance and permanent hydrophilicity. This makes them highly convenient for storage, transportation, and maintenance.

Model Selection Recommendations:

- If the molecular weight of large organic molecules in the water being treated is between 10,000 and 30,000, the YX-UF-20K (MWCO 20,000) is preferred, as it accurately intercepts target substances.

- Membrane filaments with smaller inner/outer diameters (e.g., 0.4 / 0.6 mm) are suitable for compact equipment, provide faster water flow, and are ideal for low-contamination water. Membrane filaments with larger outer diameters (e.g., 3.5 / 5.0 mm) are more resistant to clogging and are suitable for high-turbidity water.

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