Human needs with renewable energy: Watly

Watly to meet human needs

The development of technology for renewable energy can be fascinating. A newly developed machine named Watly could give us a solution to the three great challenges that society has as a priority: guaranteeing access to safe water, generating sustainable energy and taking advantage of the benefits of the digital revolution.

This project is supported by funding from a Horizon 2020 project and is about to present its first full-scale Watly machine. What is Watly?

Energy needs

To achieve human well-being, water and energy are needed as a priority. These two sources together are essential. Currently all over the world, there are 1.100 million people who do not have access to a secure source of energy or drinking water. This causes about 4.200 deaths a day from disease. In addition, 1.300 million people do not have access to electricity and another 5.000 million still do not have access to the internet.

Those in charge of the Watly project have devised a revolutionary way to tackle these three challenges with a single machine. This machine has a central system of solar panels that are connected to four blades. Each of these blades has tubes that can boil water by vapor compression. This water can be extracted from sources such as rivers that, although it is not drinkable at first, water can be obtained for human consumption.

But the energy used to purify the water is not obtained from solar panels. The process is fed by residual heat collected from the panels by means of an air circulation system. This technique is very ingenious, since it is self-powered and “does not consume any energy”.

Watly benefits

watly exposition

The purification process for water is based on distillation and that is why the machine is capable of removing all kinds of contaminants from the water. In this way, the problems of obtaining and availability of water in the world can be alleviated.

In addition, Watly offers other additional benefits such as optimization of solar panels where they are kept at an optimal operating temperature of about 25 degrees and can recharge mobile phones used to connect to the internet, or use as power supply by means of an internal inverter that converts from direct current to alternating current.


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