Low-cost solar-powered water filter removes lead, other contaminants

Low-cost solar-powered water filter removes lead, other contaminants

Princeton NJ (SPX) Apr 01, 2021

A new invention that uses sunlight to drive water purification could help solve the problem of providing clean water off the grid.

The device resembles a large sponge that soaks up water but leaves contaminants – like lead, oil and pathogens – behind. To collect the purified water from the sponge, one simply places it in sunlight. The researchers described the device in a paper published t

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