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IRAN NUCLEAR PROGRAM


IRAN : NUCLEAR FACILITIES

IRAN NUCLEAR FACILITIES
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IRAN : URANIUM ENRICHMENT
(available with or without typographies)

URANIUM ENRICHMENT

click on picture to see the flash movie

this movie is available on request in full screen video size (768X576 pixels)on our ftp as QuickTime movie or as jpg numbered files ready to import in your editing software such as Adobe After Effects, Final Cut Pro, Combustion, Avid or others.
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Infos from : http://en.wikipedia.org/wiki/Gas_centrifuge

The gas centrifuge is a hyper-centrifuge used to produce enriched uranium. It requires far less energy to achieve the same separation than the older gaseous diffusion process, which has been largely replaced.
The gas centrifuge uranium enrichment process uses a large number of rotating cylinders in series and parallel formations. Centrifuges are interconnected to form trains and cascades. In this process, uranium hexafluoride (UF6) gas is placed in a cylinder and rotated at a high speed. This rotation creates a strong centrifugal force so that the heavier gas molecules, containing uranium-238 (U-238), move toward the outside of the cylinder and the lighter gas molecules, containing uranium-235 (U-235), collect closer to the center. The stream that is slightly enriched in U-235 is withdrawn and fed into the next higher stage, while the slightly depleted stream is recycled back into the next lower stage. Significantly more U-235 enrichment can be obtained from a single unit gas centrifuge than from a single unit gaseous diffusion stage.Large cascades of gas centrifuges are operated by France, Germany, the United Kingdom, and China to produce enriched uranium both for domestic use and for export, and by Japan for domestic use. A demonstration gas centrifuge plant is being built at Piketon, Ohio in the United States by USEC for operation in 2005, and a full-size plant is planned for operation in 2010.Pakistan's nuclear program developed the P1 and P2 centrifuges -- the first two centrifuges that Pakistan deployed in large numbers. The P1 centrifuge uses an aluminum rotor, and the P2 centrifuge uses a maraging steel rotor, which is stronger, spins faster, and therefore enriches more uranium per machine than the P1 centrifuge's aluminum rotor.Recently Iran enriched uranium to 4.8% using a centrifuge cascade. In 1995 Iran also acquired drawings of the P-2 design. On 12 April 2006 President Ahmadinejad announced that Iranian scientists were conducting research on the P-2 centrifuges.