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Membrane Pretreatment

Ceraflow-50, Ceraflow-70 & Cerina-250 are all exceptional good at removing small organic and inorganic colloids at high filtration rates without the use of filtration aid chemicals.

  • Ceraflow and Cerina filter medias are exceptional for Silt Density Index (SDI) reduction in front of spiral wound membranes.
  • Significant removal of particles down to 3 microns in size are easily achieved at filtration rates of 10 gpm/ft2 (24.4 m/h).
  • Both Ceraflow and Cerina medias have no predicted end of life and are virtually indestructible providing the lowest cost of ownership.
  • Ceraflow and Cerina both require low backwash rates significantly reduce waste generation and consumption of finished water.