On 5/19/2014 11:48 PM, Quentin Anciaux wrote:
These are valid criticisms that are very much not administrative nature but cut right to the core [pun intended] of a world in which a multitude of thorium U233 breeder reactors proliferate widely. There is a risk that this unintentionally leads to a proliferation of U233 (which can be relatively easily be chemically separated out from the thorium fluoride salt mix and purified into U233 metal)
U233 isn't likely to proliferate because it is always mixed with U232 (which it can produce by decay) and U232, through its decay chain, produces intense gamma radiation. So it can only be handled and processed remotely. Even suicide bombers wouldn't last long enough to transport it very far. And the U232 makes it difficult to turn the U233 into a bomb because it's presence tends to make the bomb low yield. When making a U233 bomb they try to refine out all the U232.
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