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3M™ Liqui-Flux™ Water Membrane Modules

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3M™ Liqui-Flux™ Membrane Modules for ultrafiltration​ represent an economical and reliable solution for your water treatment application.

  • Economy and Reliability in Ultrafiltration!

    As an alternative to conventional treatment steps, such as flocculation, sedimentation and multi media filtration, 3M™ Liqui-Flux™ Membrane Modules for ultrafiltration reliably help remove turbidity, suspended solids from a raw water stream. Even if the inlet water quality is inconsistent, a very high quality outlet can be achieved using 3M™ Liqui-Flux™ Membrane Modules for ultrafiltration.


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  • UltraPES and Multifiber P.E.T.

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    UltraPES hollow fiber membrane is the heart of the 3M™ Liqui-Flux™ Membrane Modules. It is made of polyethersulfone and consists of a distinctive 3-layer morphology that provides superior permeability and strength.

    To provide long-term durability the membrane is stabilized by our Multifiber P.E.T. Technology.

    • Excellent Permeability and Strength!

      Our UltraPES Polyethersufone (PES) hollow fiber membrane provides a retentive layer on the inner side of the hollow fiber membrane.

      It exhibits an extremely hydrophilic characteristic which reduces the potential of fouling. In addition UltraPES shows a high caustic resistance and free chlorine tolerance allowing Liqui-Flux modules to operate at pH values between 1 and 13.

      3M's PES membranes are known for their well defined pore structure. UltraPES demonstrates this with its distinctive three layer structure providing a highly porous support for the separation layer giving mechanical strength through thicker polymer ligaments and a protection layer on the outside with reduced pore-size to safeguard the overall membrane structure and integrity.

      The pronounced asymmetric structure leads to an outstanding relation of permeability and retention rate. This allows UltraPES to achieve high volume flow at low transmembrane pressure and provides a unique way to reduce energy costs resulting in low operating costs particularly for larger filtration plants.

    • features and benefits of 3M UltraPES Polyethersufone (PES) hollow fiber membrane

      Features and Benefits:

      • Excellent permeability
      • Narrow pore-size distribution
      • Low pressure requirements
      • Low fouling potential
      • High temperature and chemical resistance (pH 1 – 13)
      • Low energy consumption

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    • Innovative Membrane Support!

      Throughout the module, 3M’s UltraPES membrane is stabilized by its Multifiber P.E.T. Technology. Groups of hollow fiber membranes are interlaced with a robust PET yarn, which is potted together with the membranes. This provides additional mechanical strength for the hollow fiber in the axial direction as well as during backflushing when the fibers can experience some flexing . At the same time hydrodynamics during the back wash is improved as the yarn acts as spacer between small bundles of hollow fiber membranes. This ensures better access for the flushing water to reach all areas of the membrane sections even in the central area of a membrane segment.

    • features and benefits of 3M UltraPES membrane

      Features and Benefits:

      • Effective membrane stabilization
      • Sustainable membrane fiber integrity
      • Excellent membrane spacing
      • Improves hydrodynamics during flushing

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    3M™ Liqui-Flux™ Membrane Modules for ultrafiltration​ have been successfully installed and have been reliably operating around the world for years in many applications.

    • Liqui-Flux Membrane Modules for ultrafiltration​ have been successfully installed and have been reliably operating around the world for years in many applications.

      They outstand with a high membrane area and an advantageous design, allowing controlled hydrodynamic conditions through a compact size.

      As a stand-alone unit it features 9 discrete membrane segments each one inserted into a robust grated protection pipe, adding up to 96 m² of filtration area.

      The space between the individual inserts is optimized to ensure low pressure drop during the backflush operation making it more efficient than within a densely packed shell.

      Through a moderate membrane length, 3M™ Liqui-Flux™ Membrane Modules for ultrafiltration allow for short inside flushing channels. Moreover, the introduction of back flush water from a narrowing outer ring ensures striking physical cleaning performance compared to a center tube design.

      In addition all 3M™ Liqui-Flux™ Membrane Modules for ultrafiltration do not contain o-ring sealing to separate the feed from the filtrate side and therefore particularly for long term applications the potential for microbiological cross-contamination is reduced.

      The large surface area per module leads to reduced costs by reduced number of pipings and fittings as well as reduced mounting time particularly in larger units.

    • features and benefits of 3M Liqui-Flux Membrane Modules

      Features and Benefits:

      • Optimized hydrodynamics
      • Short backflush channels
      • Effective membrane cleaning
      • Reliable in treating difficult feed water qualities
      • No o-ring sealing to separate feed and filtrate
      • Maximized filtration area – up to 96 m²
      • Reduced foot-print
      • Economic system costs

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    The new shell design provides more flexibility in system design. The Variable Connect Concept - VCC allows endcaps with radial or axial ports to be interchanged to meet even the most difficult space and design requirements.

    • "Without Limiting Your Engineering Flexibility"

      The 3M™ Liqui-Flux™ Membrane Modules for ultrafiltration and the Variable Connect Concept - VCC provide several options for assembling the modules.

    • 3M™ Liqui-Flux™ Membrane Modules Standard Setup Cross-flow / Dead-end

      Standard Setup - Cross-Flow/Dead-End

      The standard module setup with a radial feed and axial concentrate port supports a multitude of operating modes without restriction of rack size. In addition to dead-end operation, this module assembly allows your system to treat a broader range of feed water qualities. A slow cross-flow can be applied to promote shear force and limit membrane fouling.

    • 3M™ Liqui-Flux™ Membrane Modules Compact Setup Cross-flow / Dead-end

      Compact Setup - Cross-Flow/Dead-End

      When a compact module assembly for small to medium systems is necessary, 3M™ Liqui-Flux™ Membrane Modules can be supplied with a radial concentrate port for installation where height restrictions are important such as in containerized systems or basement installations for swimming pools.

    • 3M™ Liqui-Flux™ Membrane Modules Footprint Optimized Dead-end

      Footprint Optimized - Dead-End

      Wherever a reduced footprint is required, 3M's high surface area module can be supplied with an axial feed port, providing the opportunity to arrange the modules in a small footprint.

    • 3M™ Liqui-Flux™ Membrane Modules Footprint

      When the footprint is minimized in an optimized rack design the manifolds are directly arranged onto and beneath the modules using commercially available parts.

      All modules can utilize a second filtrate port and a variety of connections are available:
       

      • 76 mm Victaulic® (Europe)
      • 73 mm Victaulic® (US)
    • 3M™ Liqui-Flux™ Membrane Modules Endcap

      All endcaps are designed to fasten the entire module to a skid or to connect it to other modules.

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3M™ Liqui-Flux™ Membrane Modules Sizes

  • The 91 m² 3M Liqui-Flux Membrane Module features an advantageous design, which represents the largest ultrafiltration module of its kind with an inside-out (PES membrane) pressure driven technology.

    3M Liqui-Flux Membrane Modules are available in different configurations and sizes for a range of applications:

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3M™ Liqui-Flux™ Beverage Membrane Modules - Economy and Reliability in Microfiltration

  • 3M™ Liqui-Flux™ Membrane Modules for microfiltration used in beverage clarification have a high throughput and superior performance.

    Specifically, we offer:
     

    • Different configurations of 3M™ Capillary Membrane MF-PP Series
    • Potting material specific to application type
    • Different housing material and designs to meet the requirements of your application.

    3M™ Liqui-Flux™ Beverage Membrane Modules are available in a wide variety of sizes and materials to meet various needs in beverage clarification.


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