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May 14, 2019

Moss capable of removing arsenic from drinking water discovered

Posted by in category: sustainability

Circa 2018


A moss capable of removing arsenic from contaminated water has been discovered by researchers from Stockholm University. And it happens quickly — in just one hour, the arsenic level is so low that the water is no longer harmful for people to drink. The study has been published in the journal Environmental Pollution.

The aquatic moss Warnstofia fluitans, which grows in northern Sweden, has the ability to quickly absorb and adsorb arsenic from water. The discovery allows for an environmentally friendly way to purify water of arsenic. One possible scenario is to grow the moss in streams and other watercourses with high levels of arsenic.

Water in mining areas often contaminated

In the northern part of Sweden, water from mining areas is often contaminated by arsenic.

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