Yes I have seen the advocacy for Liquid Fluoride Thorium reactors and there are some apparent tantalizing advantages over current Uranium reactor designs like ability to burn plutonium as a starter fuel, less production of transuranics, higher fuel burn efficiencies, etc.
He worked out, among other things, how to separate plutonium from uranium in a reactor after it had been synthesised.
State TV said Iran would prefer to buy uranium for its research reactor, rather than send its own stock abroad for enrichment, as proposed.
South Korean negotiators had been seeking a new nuclear-cooperation agreement with the U.S. that would allow it to begin enriching uranium and reprocessing spent reactor fuel, arguing these technologies are crucial for Seoul to expand and secure its civilian nuclear-power program.
For uranium to work in a nuclear reactor it must be enriched to contain 2-3% uranium-235 while weapons-grade uranium must contain 90% or more uranium-235.
Subsequently, France would convert the uranium into fuel rods for use in a reactor in Tehran that produces medical isotopes.
In return, the countries offered to supply Tehran with fuel for its medical research reactor, which requires 20% uranium, and to ease sanctions.
It has its hands in every part of the nuclear industry, from uranium mining to enrichment to fuel fabrication to reactor design and construction to maintenance and refueling to reprocessing and recycling.
The idea was for Iran to ship 1, 200kg of its low-enriched uranium overseas to produce fuel for a research reactor, thus leaving the country for a while with too small a stockpile with which to make a bomb.
U.S. and United Nations officials have documented what they describe as serious limitations in Iran's ability to quickly and efficiently produce the enriched uranium required to either fuel a nuclear power reactor or to build an atomic weapon.
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"Israel has responded timely and in good faith to the question addressed to it regarding the possible origin on the uranium particles, traced in the site of the nuclear reactor in Deir al-Zour, " Mr Michaeli said.
Nuclear reactor fuel is enriched to 3-5% Uranium-235.
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More to the point, Russia's offer to enrich the uranium from under 5% to the almost 20% needed for the medical reactor, along with France's readiness to turn it into the needed fuel rods, mean Iran had no excuse to do the higher enrichment work itself.
Professor Egil Lillestol of Bergen University has been pushing thorium for some years now, and thinks that Norway should set the trend in building a prototype accelerator-driven reactor in which a massive particle accelerator converts thorium-232 to uranium-233 by irradiating it with slow (spallation) neutrons generated by the impact of a 1.6 GeV proton beam on a lead target.
The United States and other leading nations have been negotiating with Iran to send low-enriched uranium abroad to be turned into material for use in medical research and treatment at a reactor in Tehran.
Natural uranium is only 0.7% U-235, which is what you need for your reactor.
Iran's stock of low-enriched uranium is bigger: only about half of it would be needed to produce the equivalent fuel load for the medical reactor.
Paying the Russians to do the blending down faster but to store the extra reactor fuel, say the researchers, would get the job done more quickly and without flooding the civilian uranium market.
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