Energy From Thorium Discussion Forum

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 Post subject: Thorium on the CBC!
PostPosted: Sep 15, 2012 12:06 pm 
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Joined: Dec 25, 2011 11:49 am
Posts: 4
Location: Toronto, Ont
http://www.cbc.ca/player/News/Technolog ... 279320810/

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 Post subject: Re: Thorium on the CBC!
PostPosted: Mar 13, 2013 3:13 pm 
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Joined: Dec 16, 2011 7:27 am
Posts: 262
That's an interesting interview, I'm a little confused by the fuel efficiency quoted by Richard Martin though. He states that about 50% of thorium will be used up in a LFTR, but other sources like Kirk Sorensen in these videos put the efficiency at close to 100%.

http://www.youtube.com/watch?v=bbyr7jZOllI

http://www.youtube.com/watch?v=D3rL08J7fDA


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 Post subject: Re: Thorium on the CBC!
PostPosted: Mar 13, 2013 3:38 pm 
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Joined: Jul 28, 2008 10:44 pm
Posts: 3063
It depends on the LFTR design. Thorium is cheap and difficult to separate from the fission products. So one would expect the first LFTR will skip thorium recovery and focus efforts on the reactor core itself. Assuming society maintains its special attitude toward nuclear wastes eventually we will recover the thorium to put back into the reactor. The thorium we put back in is just the same as fresh thorium so the reactor is perfectly happy with this. It will come down to developing the separation process and economics. It is unlikely that it will ever be cheaper to mine thorium from the nuclear wastes than from fresh ore so thorium recovery will only happen if society decides it is worth the expense to recycle it. From a strict engineering perspective I don't think it is worth it but we are part of society and if the price of having LFTRs is to spend the money to recycle the thorium I'm ok with that.


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