Desalination: From salt to drinking water

The desalination of water is the process of salt withdrawal present in excess of mineral salts, microorganisms and other solid particles present in the salted waters and salworks mainly of the oceans, transforming them into drinking water. This procedure is performed through physicochemical methods, and about 97% of the water present on the planet are salted.

Desalination and pumping of this water provide improvements in quality of life in several regions, but it is still not a technology accessible to the poorest populations for large-scale water use as in agriculture and in cases where the site is very Distant from units that carry out the process. Both desalination and pumping in the more distant areas require a lot of energy for the operation.

In addition to the high energy cost, water desalination generally uses fossil energy as a source — which is not sustainable — and presents frequent changes in price and difficulty in transportation. The use of solar, wind, geothermal and energy recovery are a viable alternative for the use of this technology in a contributing way to the preservation of environmental health.

Residual water (from sewage) has a salt concentration much higher than the natural concentration found in the sea, containing toxic residues that negatively affect marine ecosystems, such as chemical additives that are incorporated into the Treatment of water and heavy metals released from corrosive processes occurring inside the pipes.

By developing technological advances that reduce energy consumption and minimize environmental impacts, water desalination would become accessible to poor populations, and is an important factor in combating water scarcity around the world, Significantly contributing to the improvement of the quality of life of billions of people.

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