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What is Efficient Slow Sand Water Filtration about?

Slow sand filters provide an efficient and low-cost method of water treatment by using a biological process. The schmutzdecke biofilm layer that forms on top of the sand acts as a natural filter, removing over 90% of fecal coliform and all protozoa, helminths, and suspended sediments. As water passes slowly through the sand, pathogens are removed through predation, scavenging, and natural death due to the hostile environment created by the biological activity in the filter. Proper maintenance of the schmutz

Author

Ratan Kumar Giri

Language

EN