Originally Posted by
lynx
Last I heard, Iran had produced enriched uranium to a level of 3% (the ratio of U235 to U238. That in itself is sufficient to power a heavy water reactor (requires about 2% U235), but the complications in design and operation of such a plant are probably sufficient to rule that out. A more reasonable target would be about 4%, which would allow them to run a light water plant.
What is never made clear is that the difficulty in increasing the enrichment is exponential. If it is twice as hard to reach 6% than 3%, then it 4 times harder to reach 9% and 8 times harder to reach 12%. For weapon-usable material you need at least 20%, and for a true nuclear bomb you need to reach about 85%. The technology being used in Iran is incapable of producing weapons-usable material, let alone a weapons-grade product.
The other piece of disinformation which seems to be brought up is that Iran "has plans for a dual-use reactor". Note the wording, it is very important. It doesn't say that Iran "plans a dual-use reactor", merely that it has plans (designs, technical drawings etc) for such a plant. Since that sort of information is fairly freely available it would be extremely surprising if they didn't have them.
In any case, any commercial nuclear plant can be easily converted to so called "dual-use". All that is necessary is to replace some of the fuel rods with rods you want converting. Obviously it's a little more complex than that, but not much. Some commercial plants in the USA (for example Watts Bar in Tennessee) have already been converted.
BTW, Iran supposedly has most of the key components required to build a nuclear plant already. It obtained them, legally, in 2005 from a subsidiary of a well-known US company - Halliburton.
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