The Curious Tale of Molten Salt Reactors - media.cns-snc.ca

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Advantages of all Molten Salt Reactors Long Lived Waste • Fission products almost all benign after a few hundred years • The transuranics (Np,Pu,Am,Cm) are the real issue and reason for “Yucca Moutains” • All designs produce less TRUs and can be kept in or recycled back into the reactor to fission off
Advantages of all Molten Salt Reactors Resource Sustainability • Once started breeder designs only require minor amounts of thorium (about 1-10 tonne per GWe year) – 30 k$ of thorium = 500 M$ electricity – Must include processing costs though • Converter designs are far simpler and only require modest amounts of uranium – Typically 35 tonnes U per GWe-year versus 200 tonnes for LWRs – Annual Fuel cycle cost ~ 0.1 cents/kwh
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The Curious Tale of Molten Salt Rea
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The 1970s Single Fluid, Graphite Mo
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Some Design Constraints • ThF 4 a
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Design Choices Harder or Softer Spe
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Design Choices Denatured vs Pure Th
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U.S Historic Timeline • Early 197
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Kurchatov Institute Program Mid 197
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Conference on Molten Salts in Nucle
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Summary of Current World Efforts
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Chinese TMSR Program
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Reexamining MSRs • MSRs often tho
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My Design Philosophy • “A desig
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DMSR Converter Reactors • Oak Rid
Page 30 and 31: FPs Fission Products Ingestion Radi
Page 32 and 33: Reactor Lifetime Uranium (t) Annual
Page 34 and 35: Suggested Improvements • Shorter
Page 36 and 37: Low Enriched Uranium Only DMSR •
Page 38 and 39: ORNL FHR Focus on Solid Block Fuel
Page 40 and 41: Thanks ORNL From “cooled” back
Page 42 and 43: Want Higher Power Density, More hea
Page 44 and 45: Where To From Here? • Worldwide i
Page 46 and 47: Introducing… Terrestrial Energy I
Page 48 and 49: EXTRA SLIDES…
Page 51 and 52: LWR Fuel Cycle Costs All assume 100
Page 53 and 54: MSBR Fuel Cycle Costs Estimate base
Page 55 and 56: DMSR Fuel Cycle Costs Estimate base
Page 57 and 58: What factors differentiate between
Page 59 and 60: Mid 60s ORNL Two Fluid MSBR
Page 61 and 62: Mid 60s ORNL Two Fluid MSBR Disadva
Page 63 and 64: Single Fluid Graphite MSBR (70s) Di
Page 65 and 66: Late 1970s DMSR Converter 30 Year O
Page 67 and 68: Traditional FUJI • Advantages vs
Page 69 and 70: 1 ½ Fluid MSFR (was TMSR) Design h
Page 71 and 72: 1 ½ Fluid MSFR (was TMSR) Disadvan
Page 73 and 74: Fusion Structural Materials Studied
Page 75 and 76: MSR 1/3 the total volume of PWR Com
Page 77 and 78: All radiation within a sealed “Ho
Page 79: Off Gas Both a Benefit and Challeng
Page 83 and 84: A Brief History of Molten Salt Reac
Page 85 and 86: A Brief History of Molten Salt Reac
Page 87 and 88: I told you I’d bring this up Jess
Page 89 and 90: Pebble Bed FHR (MIT, UCB, Wisconsin
Page 91: Testing Pebble Flow UC Berkeley Als
Page 94 and 95: What factors differentiate between
Page 96: More on Molten Salt “Cooled” Re
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