New system promises to purify water with sunlight

DeShawn Henry, a Civil Engineering student at the University of Buffalo, in the United States, created a solar lens capable of filtering water. The system is cheap and, according to the young, has the potential to help communities with less access to drinking water.

According to the sustainable planet, Henry will have used cheap materials from a hardware store to get your invention: the result was a device capable of filtering 99.9% of the impurities of a liter of water in about an hour.

The lens increases the sunlight and heats one litre of water at a temperature enough to filter it. As the Sun moves in the sky, the water container needs to be adjusted in order to be at the focal point of the lens. The heating process eliminates the pathogens present in the water, leaving it clean and drinkable.

The idea of Henry may have the potential to help the population of the least developed countries, especially in Africa and Asia, since the water treatments are expensive. More than one billion people worldwide do not have access to clean water, which leads to the death of a child under the age of 5 years by the minute.

The next step of the young American is to create a larger lens, you can clean a greater amount of water, and make the equipment more efficient: is to filter one litre of water per hour is not enough to give vent looking for a family of five.

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