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Cleaning water with UV light

EU-funded researchers use UV Light Emitting Diodes (LEDs) and photocatalysis to clean water from bacteria and viruses

 

A research team funded in the Aqua-Pulse project has developed a smart water purification method based on the use of ultraviolet rays and photocatalysis, a chemical reaction caused by the use of light.

The scientists built a radiator, which consists of a titanium dioxide coating and a diode which emits UV light directly onto bacteria and viruses, killing them in the process.

According to the researchers, the new method is more eco-friendly than using mercury lamps and more powerful than purifying water with chlorine.

 

Project’s website

Factsheet by the European Commission / 2 February 2014

Video by Euronews / 1 April 2013