Sunday, March 22, 2009

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ENERGY FROM THE DESERT







Desertec take over the project, which we spoke a few weeks ago at the Spoleto conference, to give some interesting on in this work that uses solar energy in the Sahara desert. Harness solar energy in the Sahara desert. A group of scientists, which also participates in the Nobel Prize for Physics Carlo Rubbia, launched the project Desertec. The idea is based on the simple fact that in just six hours on the African continent get a lot of solar energy equal to that consumed in the world in one year. If the deserts of North Africa and the Middle East were covered by solar systems for 0.3% of their surface energy could supply the entire European continent over the same area m ediorientale and North Africa. In addition, the absence of CO2 emissions in the production of electricity. In a nutshell: clean, renewable energy and resold. The Middle East region could soon work alongside the black gold with yellow gold. Archimede project in Africa in the project of solar Desertec, promoted by the physicist Gerhard Knies, are based on solar thermal power technology, already implemented by the project Archimedes Rubbia Priolo and Spain. Solar energy is reflected by mirrors and focused into a tube to heat the liquid and result in a natural circulation in the system. The flow of the liquid generates useful energy to drive turbines and thus generate energy. It is thus not of photovoltaics.


Criticism Desertec
The project is not without its critics. First, the excessive cost. The project Desertec requires an investment of 400 billion euro. The cost aspects one of the main critics of this promising technology. Secondly, the political stability of Middle Eastern and North African countries. This technology is still experimental second aspect can greatly affect the calculation of investment risk and hence the practical difficulties in accessing finance.

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