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Technomax - Automatic Water Filtration System
Key Points: AFM will double the performance of any sand filter. 97% Filtration down to 4 microns with no flocculation (Grade 1). Nominal filtration down to 0.1 microns with flocculation. No bio-instability or transient worm-hole channeling of unfiltered water into the product water. Barrier to Cryptosporidium oocysts. Return in capital out of revenue, usually less than 2 years. Direct Replacement for sand and lasts for 20+ years. Reduces operating costs by saving on Chemicals, Water and Energy.
1. AFM activated filter media
Why does AFM® work better than sand or Ultra Filtration ? AFM®filtration 3 stage mechanism
1. Mechanical filtration,Physical removal of particles
- Filtration down to 40 microns, optimised particle size distribution and uniformity coefficient.
- Resistant to bio-fouling, AFM® does not allow channelling. All sand filters will exhibit bio-dynamic instability leading to transient worm-hole channelling and passage of unfiltered water into the product water for 5% to 0.4% of the time. The instability allows passage of bacteria into the process water and presents a high disease transmission risk. This problem is eliminated with AFM® because it does not bio-foul.
- Particles down to and below 1 micron including molecules are adsorbed onto the surface of AFM®
2. Adsorption reactions, Zeta Potential and Van der Waals forces
- AFMc has a lower adsorption capacity than activated carbon, but is recharged by backwashing
3. Selective molecular sieve and catalysis
- Selective adsorption of specific molecules can be engineered
- Catalytic surface provides a zone of high oxidation potential in the slip zone stern layer prevents bio-fouling and worm-hole channelling