Dupont UF Membrane Technology: Industry Knowledge Overview​

Core Product Features​​

1. ​​Advanced Material Science​​

   • Hollow fiber membranes made from PVDF (polyvinylidene fluoride)
   • Uniform pore size down to 0.01 μm for consistent filtration
   • Hydrophilic surface modification reducing fouling potential

2. ​​Robust Structural Design​​

   • High tensile strength fibers resistant to breakage
   • Symmetric wall structure maintaining integrity under backwash pressure
   • Chemical compatibility with pH 1-13 environments

3. ​​Optimized Filtration Performance​​

   • High flux rates: 50-100 LMH (liters per m² per hour)
   • Low transmembrane pressure requirements: 0.5-1.5 bar
   • Automated air-assisted backwash cycles

​​Key Advantages​​

• ​​Extended Service Life​​: 5-8 years operational lifespan
• ​​Chemical Resistance​​: Tolerates chlorine up to 500,000 ppm·h
• ​​Energy Efficiency​​: 30% lower energy consumption than ceramic membranes
• ​​Validation Compliance​​: Meets FDA CFR 21 and NSF/ANSI 61 standards
• ​​Sustainability​​: Recyclable membrane modules

​​Critical Applications​​

​​1. Drinking Water Treatment​​

• Municipal surface water purification
• Removal of bacteria (log 6 reduction), viruses (log 4 reduction), and turbidity
• Pretreatment for RO systems

​​2. Industrial Process Water​​

​​3. Wastewater Resource Recovery​​

• MBR (Membrane Bioreactor) configurations
• Tertiary treatment for water reuse
• Landfill leachate treatment

​​4. Specialty Separations​​

• Biopharmaceutical harvest and clarification
• Dairy whey protein concentration
• Oily wastewater treatment

​​Technical Specifications​​

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Industry Leadership​​

Dupont UF membranes lead in chemical resistance and mechanical durability, serving over 5,000 installations globally. Recent innovations include graphene-enhanced PVDF membranes showing 40% higher flux in pilot projects. The technology addresses critical water challenges from pathogen removal to industrial circular water systems.