ZeeWeed 500D – large systems
Municipal and industrial large MBR customers everywhere trust ZW500D for reliability and performance.
• Veolia has continuous leadership in MBR membrane innovation focusing for over 15 years on 500D with technology advancements like eco-aeration and LEAPmbr*
• Longest running membranes now >13 years continuous operation (proven life)
• Optimized performance with low energy needs, compact design trusted for large and mega MBRs when quality and reliability are essential.

Performance
• True UF membrane for over 25 years with proven 0.04 μm pore size providing a physical barrier and producing high quality effluent
• Extremely high module permeability > 900 lmh/bar
• Proven high flux for 500D & 500S with dedicated MBR chemistry since 2007

Reliability
• Unmatched fiber ruggedness with a > 600N fiber tensile strength vs. ~10 for non-reinforced PVDF membranes
• State-of-the-art manufacturing advancements reducing maintenance and ensuring long membrane life
• Outstanding membrane life of over 10 years in most applications; longest life 20.5 years!

Proven Experience
• Over 2000 MBRs globally running with ZeeWeed 500 membranes
• Easy retrofit solution with 12 different hollow fiber and flat plate competitor products replaced to-date at multiple sites globally

Flexibility & Simplicity
• Configurable product to provide plant layout versatility and easy future expansion
• A range of product sizes and flexible arrangements to fit into existing tanks, replace other less reliable membranes, and accommodate any flow range or operability needs.
• With the world’s largest hollow fiber membrane factory, get product when and where you need it.