Search Results for: LFTR

Impressive List of Supporters Ask Dr. John Holdren To Pay More Attention To Nuclear Energy Development and Deployment

…me mention should be made of fission-fusion hybrids, molten salt reactors (LFTR), accelerator driven systems) which promise at least equivalent cost effective benefit to society as the Integral Fast Reactor and traditional nuclear fuel recycling. I hope the current administration is open to influence and flexible enough to make mid course corrections when it becomes evident that a narrow renewable energy only agenda for America’s energy future is…

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What do you do with the waste? – Kirk Sorensen’s answers

…olid fuel reactor spent fuel can provide the startup fissile inventory for LFTRs. The paper Optimized Transition from the Reactors of Second and Third Generations to the Thorium Molten Salt Reactor discusses this and suggests an optimum strategy for getting the breeding going. We’ll turn “waste” into gold (well, a revenue stream anyway) and get rid of another objection. Warning to anyone wanting to add material to the remixes: you have to match Ki…

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Sad-ending story of EBR-II told by three of its pioneers

…ational to conduct a rational comparison between the LFTR and the IFR. The LFTR and indeed all thermal LLFT breeders as well as LFTR 1 to 1 converters, whould offer significant advantages in several areas over th have a big advantage over the IFR. These include include safety. Ya, I know the party line about the IFR being perfectly safe, except Sandia does not think so, and you never hear about what Sandia saif from IFR advocates. You also run int…

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Proud – but often frustrated – nuclear professional

…simple talking points that reveal why it is a lie. … and bickering over LFTR vs. IFR. Amen. The problem with many nuclear advocates is that they tend to be “fanboys.” So just like a couple of teenage nerds arguing over which video game or manga comic is the best, they waste their time arguing over which is the best reactor design. It’s enough to make one want to vomit. I’m close to the point of being openly hostile to LFTR-advocates, because th…

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Russia continues sustained fast breeder reactor effort

…esigns they promote. “Explosive Driving Force” Comparison (GE PRISM versus LFTR) – A 300 MWe GE PRISM could produce a combined sodium fire/hydrogen explosion releasing 2.03 x 10^7 MJ of energy (estimate based on the explosive potential of 1650 tons of hot sodium and 803.4 million liters of hydrogen produced by reaction with cement or water) A 300 MWe LFTR could not produce an explosion with materials found in the reactor or with water 2.03 x 10^7…

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End of era of cheap combustion energy; beginning of era of cheap fission energy

…the system, and it appears to me that the Liquid Fluoride Thorium Reactor (LFTR) fits the bill. LFTRs will be molten salt high temperature reactors if and when they are commercialized. LFTRs should be cheaper to operate than today’s reactors which would hopefully bring down the end product’s production costs. Is there any reason why they couldn’t capture CO2 emissions from coal and natural gas fired plants for this process as well? Rod Adams @Sime…

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Advanced Reactor leaders: Will you put one in your backyard?

…on product inventory of a sodium cooled fast reactor is much larger than a LFTR or LWR of the same size. When you combine a very large radiological inventory, from a pool style fast reactor derived from the EBR-2 design scaled for 1 GWe level it results in a reactor with very large fire/explosive potential (5.8 x 10^13 joules of energy) from the 5500 metric tons of sodium coolant When you compare the explosive potential and potential for fire of a…

Power Magazine May 2010 Cover Story – US Spent Nuclear Fuel Policy: Road to Nowhere

…in their waste. Why should we fuss around with separate reprocessing. The LFTR and the TWR appear to deal with weapons proliferation well enough to entertain the idea of placing reactors in developing world countries. Promoting industrialization in countries with high birth rates may be an effective way to deal with the over population problem. The prospect for producing a reactor that can produce energy cheaper than coal speaks to the climate ch…

Former NRC Commissioner Jeffery Merrifield Discusses Fukushima Lessons Learned and Those Already Implemented

…, it’s now or never for an early introduction of the first-of-a-kind civil LFTR and once that step is taken, it will be like lighting the blue-touchpaper for LFTR manufacture. Miss this chance and it’s decades of open-cycle uranium use in an even more atrophied nuclear industry. harrywr2 With the roof blown off the building the odds of hydrogen building up to explosive levels are pretty low. Jeff Schmidt Hey guys, just a bit of media coverage upda…

Can Smaller Nuclear Plants Be More Economical? Why is There So Much Interest In Small Modular Reactors?

…f smaller plants in *substitution* for larger ones, that is, say, 12 100MW LFTRs instead of, say, one 1200 MW LFTR. There are, generally, way too many assumptions made by small-only advocates about the ability to ‘mass produce’ smaller reactors that per unit of energy output (UEO) it will somehow be cheaper, based solely on the idea of manufacturing core components. I think this is naive. There is FAR more that goes into a reactor/turbine/generato…

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The Atomic Show #184 – Kirk Sorensen, Co-Founder Flibe Energy

…about a prototype reactor by 2015 a few years ago, but I don’t see turnkey LFTR units on offer before 2020 at the most optimistic — and Gen IV itself keeps talking about “beyond 2030” concepts. And General Atomics has recently dumped their long standing development of the GT-MHR and has picked up with fast-spectrum helium which has nearly the same thermal efficiencies of LFTR combined with the SNF utilization capability of IFRs. Attach a helium h…

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GE CTO describes his company’s focus on oil and gas technology

…ve I’m actually more of a PBMR/HTGR fan. Kind of a small crowd these days. LFTR‘s cool, but is likely the labor of a lifetime, while the PBMR/HTGR might take less time, perhaps 2-3 decades to full scale commercialization given reasonable mobilization of resources by DOE/NE, the IAEA, the NRC, and the Chinese with their HTR-10. For the record, I mostly disagree with socialism, but, dude, you have no idea what real socialism is, especially when you…

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