Cryptosporidium parasite protection for our drinking water by AFM filtration

IFTS, Institut de la Filtration et des Techniques séparatives in France 2016 evaluated the performance of AFM grade 0 for the removal of 4 micron particles from water.

The results confirmed that AFM grade 0 would provide a log3 reduction of 4 micron particles (Crypto oocysts analogue) at a water flow velocity of 5m/hr. At a water flow velocity of 7m/hr performance was slight reduced to log 2.7. The tests were performed with no coagulation or flocculation with a bed depth of 900mm of grade 0 AFM (Activated filter media)

Cryptosporidium is a parasite which forms an oocyst measuring 5 microns in diameter. It is the most common water borne disease in Europe and North America. Worldwide it is responsible for over 1 billion cases of infection every year. The parasitic infection is life threatening to the elderly, infirm, immune supressed and for children, especially in developing countries. Cryptosporidium is considered as a neglected disease by WHO, L. Savioli et al 2006, and may be responsible for as many as 1 in 1000 mortalities, based on the Milwaukee out-break of 1993

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