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- Breakthrough of indicator organisms from slow sand filters as part of a drinking water production system for Sub-Saharan Africa
- Author: Ba, Sidy
- Date: 2008-05-15
- Program: Environmental Engineering
- Abstract: Sub-Saharan Africa has the lowest proportion of population in the world with access to potable water, so that there is a dire need for low-cost, low-energy robust treatment technologies for drinking water. Constructed wetlands followed by optimized slow sand filtration has the potential for improving raw surface water quality to an acceptable level. A laboratory study examined the removal of Enterococcus durans and environmental coliforms with associated heterotrophic bacteria from slow sand columns operating with different sand sizes and flow conditions. E. durans removal far exceeded 90% in ...
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