AFM

AFM® is an activated filter media made. It has been developed as a permanent replacement for sand or zeolite in any type of sand filters. It doubles doubling the performance of sand filters without the need of additional investments in infrastructure.

AFM® resists biofouling, biocoagulation and transient wormhole channeling of unfiltered water and never needs to be recharged or replaced.It is a highly engineered product manufactured from a specific glass type, processed to obtain the optimum particle size and shape.

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3-STEP ACTIVATION PROCESS

AFM® has a 3-step activation process to increase its surface area by up to 300 times for superior mechanical and electro-static filtration performance.

  1. Mechanical Filtration, Physical removal of particles down to 40 microns
  2. Electro-mechanical filtration, from 40 micron down to 4 micron
  3. Selective molecular sieve and catalysis, below 4 micron an and of chemicals in solution
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new-sand-1
afm-process

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CATALYTIC REACTION WITH AFM

The chemical composition of the glass. The raw material bust be green or brown. The Particle size and especially the particle form are important, because of the hydraulic performance (not round, not flat). Important: No Broken Bits of glass! By the activation (chemical- physical process) the surface area will be increased by a factor of 300.

chemical-composition

Free radicals are created on the surface of the AFM grains at concentrations of above 2ppm of dissolved Oxygen. These prevent bio fouling and protect AFM from bacterial colonisation (self disenfection properties of AFM). Free radicals oxidise dissolved organic matter and heavy metals.

AFM® BENEFITS

  • Removes 10 times more sub <5 micron particles than sand
  • Provides permanent, reliable filtration down to 4 microns (grade 1) and 1 micron (grade 0)
  • Resists biofouling and bio-coagulation or transient worm-hole channelling of unfiltered water.
  • Does not need to be recharged or replaced
  • ROI of less than 2 years
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The performance of AFM is connected to the surface area, AFM has approximately 300 times greater surface area to crushed glass or sand.

COMPARISON

Crushed glass media

  • Not decontaminated and sanitized
  • Uneven particle size and shape distribution (shards)
  • Not activated
  • Not fully resistant to bacterial growth
  • No lifetime Performance
crushed-glass

AFM®

  • 100% pure and sterilized
  • 100% safe to use due to sub-angular particle shape and size distribution
  • Activated surface and surface charge
  • Resistant to bacterial growth
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