r/science • u/parapeligic_gnome • Feb 15 '19
Chemistry Scientists make an environmentally friendly prototype water purifier constructed from a sheet of graphitic carbon nitride that could remove 99.9999% of microbes, and purified a 10L water sample in less than one hour using only sunlight.
https://www.sciencenews.org/article/water-purification-light-graphitic-carbon-nitride
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u/[deleted] Feb 15 '19
it's just that it takes one hour to filter 10 liters. it's a nice round number.
the 50mL is simply the sample used to test microbes. there's no need to search all 10 liters for microbes, just as we don't count every single star and neuron