Inaugurate da ENEL Priolo the prima Central Solar concentrazione: l'idea non è nuova, gli specchi di Archimede After 23 centuries, conceptually attuallizzati by Charles Rubia, create clean energy.
2,000 years ago, Archimedes used the "burning mirrors" as incendiary weapons against the Roman ships besieging Syracuse during the Second Punic War in 212 BC The idea is simple recovery from the scientists of the third millennium to produce electricity. Thus, the solar thermal power station has been named as the inventor greek.
ENEA, and the scientist Carlo Rubbia (former president ENEA and the Nobel Prize for physics) that the production costs of concentrating solar power may soon be similar to those of fossil fuels, are revising an old project of solar thermal system (or concentration) is experimenting in Priolo Gargallo (Syracuse ), in the same land where Archimedes lived, a system of mirrors to concentrate sunlight into a boiler and produce steam at high pressure, therefore (by the heat generated by the merger), with a capacity of about 20 MW.
The sun, focusing sunlight through its special mirrors at a single point, increasing the energy density caloric intake by 100-200 times compared to a normal situation, produced through normal turbines moved by steam, which turns kinetic energy into electrical energy by the same principles of a conventional power plant.
The resulting heat energy is collected in order to use the heat in a time different from that in which it collects, allowing the production of electricity on a continuous cycle even at night or in absence of the sun, although to a lesser extent at mid-day.
The plant, instead of long rows of parabolic mirrors to concentrate the sun's heat on a pipe flowing oil, uses a molten salt of the Italian Angelantoni (www.angelantoni.it) in partnership with Siemens on patent Aeneas.
It 's the first facility in the world that use this system! but is in line with major projects such Desertec (www.desertec.org) started by a cartel of major European companies to create dozens of such plants in northern and Saharan Africa.
The Anest (National Association of solar thermal energy) pointed out that in Italy there is the potential to achieve within the next ten years MW power plants for 3000-5000, creating over 30,000 jobs.
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