#sono_arsenic_filter
Sono arsenic filter
Water filter in Bangladesh
The Sono arsenic filter was invented in 2006 by Abul Hussam, who is a chemistry professor at George Mason University (GMU) in Fairfax, Virginia. It was developed to deal with the problem of arsenic contamination of groundwater. The filter is now in use in Hussam's native Bangladesh.
Sat 30th
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