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Biosand Filter: Cost and Efficacy Analysis by Abhilash Nair is a document available to read on EtoBox.

What is Biosand Filter: Cost and Efficacy Analysis about?

The document discusses a study that evaluated the effectiveness of biosand filters (BSFs) at reducing bacteria in drinking water. Two experimental BSFs were constructed and tested over 96 and 41 day periods using water spiked with E. coli, Salmonella, Pseudomonas, and sewage containing total coliform. The BSFs initially showed less than 1 log reduction of bacteria but matured to provide approximately 2.5 log reduction. Flow rates through the filters decreased over time but increased again after cleaning. Th

Author

Abhilash Nair

Language

EN