Africa Water Purification

#76
Many pesticides and herbicides can be removed with different filtration methods, but UV won't do anything to those compounds. Same for metals.
Actually I think that while filtration combined with activated charcoal helps, the only way to remove chemicals, pesticides, and heavy metals is by using a reverse osmosis system...anything that is in a solution (I.e. mixed into the water...like salt for example) cannot be filtered.


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Christophe Noel

Expedition Leader
#77
Actually I think that while filtration combined with activated charcoal helps, the only way to remove chemicals, pesticides, and heavy metals is by using a reverse osmosis system...anything that is in a solution (I.e. mixed into the water...like salt for example) cannot be filtered.


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When I was at the MSR water lab in Seattle, arguably the most advanced lab of its kind in the US, they were developing a filter for the military that would go in-line on a hydration pack and would remove heavy metals and chemicals.
 
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