Cera~Dur 3 Series


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The cost-effective CERA~DUR 3 Series modules contain over 300 individual ceramic hollow fibers and a total filtration area of 1.1 m². The simple, compact design allows for several modules to be designed in series, thus reducing the overall system costs, footprint, and power consumption. 

The CERA~DUR 3 Series is the perfect option for many industrial wastewater applications. In fact, for applications that don’t require process wastewater between 10° and 50° C or pH outside of 2-10 the 3 Series is a perfect fit.  

Simply put, it’s the most cost-effective ceramic hollow fiber solution on the market today. Of course, it provides all the typical benefits of ceramic membranes, such as withstanding higher temperatures and a higher chemical resistance, but the advantages of implementing the CERA~DUR 3 Series don’t just end there.  

The CERA~DUR 3 Series was specifically designed to be the most cost-effective ceramic hollow fiber solution for industrial wastewater applications.   

More Benefits  

  • Lower capital and operating expense costs.  
  • Modular design options for easy installation and maintenance.  
  • Higher flux when compared with polymer membranes.  
  • Backwashed with a short cycle of water resulting in consistent high recovery.  
  • Able to handle aggressive wastewaters; up to 100,000 ppm TSS, 20,000 ppm COD, and 5,000 ppm oil.  

Our CERA~DUR 3 Series has proven to be competitive on the industrial wastewater filtration market because it provides unmatched flexibility.  

  • Recommended Operating Parameters

    Feed Circulation Flow: 60-180 LPM (16-48 GPM)
    Operating TMP: 3.0 bar Max (43 psi)
    Operating Temperature: 5 to 50 °C (41 to 122°F)
    pH Range (continuous): 4– 10 < 50 °C (122 °F)
    Operating Pressure: 3.0 bar (43.5 psi)
    Backwash Pressure: 3.5 bar Max (50.8 psi)

  • Filter Specifications

    Membrane Material: Ceramic – Aluminum Oxide
    Membrane Structure: Hollow Fiber
    Pore size (nm): 3, 30, 80, 130
    Filtration area: 1.1 m² (11.8 ft²)
    Potting Material: Epoxy
    Housing Material: PVC
    Filtration: Crossflow
    Flow Type: Inside -out
    Clean Water Flux @ 1 bar TMP: 80 – 2000 LMH*
    * depending on pore size selected

  • Recommended Backwash Parameters

    Permeate Backwash

    Backwash Pressure: 2.0 bar (29 psi)
    Duration: 10-20 seconds
    Typical Frequency: Every 20-30 minutes


    Chemically Enhanced Backwash (CEB)

    Typical Frequency: Every 2-4 weeks
    Duration: 1-2 hours
    Chemicals (Typical): NaOCI, NaOH, Citric Acid


Additional information

Weight9 lbs
Dimensions28 × 5 × 5 in
Pore Size

3 nm, 10 nm, 30 nm, 80 nm, 100 nm, 130 nm, 700 nm

End Style 1

0, 1, 2, 3, 4, 5

Permeate Style

1, 2

End Style 2

0, 1, 2, 3, 4, 5