Brian Wang also reports on information from an October 2016 Terrestrial Energy presentation on their Integral Molten Salt Reactor:
• Terrestrial Energy
• Commercializing a SMR for 2020s deployment
– Cost-competitive with fossil fuel combustion
– Ideal for industrial heat and SMR markets
• Technology – next generation Molten Salt Reactor (“MSR”)
• Proprietary MSR design – the Integral Molten Salt Reactor (“IMSR™”)
• High technology readiness
• Conducting basic/preliminary engineering work
– Concludes with construction and licensing of the first commercial IMSR power plant (400 MWth reactor)
• IMSR development and deployment
• Supported by power utility industry and senior executives, industrial companies, environmentalists and the Canadian Government and DOE
• Commenced VDR with Canadian Nuclear Safety Commission (“CNSC”)
– First MSR vendor to commence regulatory process
• Terrestrial Energy is a leading advanced reactor developer in a fast developing cleantech sector
Advantages of Molten Salt Reactors:
• Safety
• Enhanced ability for passive decay heat removal
• Inherent Stability from strong negative reactivity coefficients
• Low pressure and no chemical driving force
• Caesium and Iodine stable within the fuel salt
• Reduced Capital Cost
• Inherent safety can simplify entire facility• Low pressure, high thermal efficiency, superior coolants (smaller pumps, heat exchangers). No complex refuelling mechanisms
• Long Lived Waste Issues
• Ideal system for consuming existing transuranic wastes
• Even MSR-Burners can close fuel cycle and see almost no transuranics going to waste
• Resource Sustainability and Low Fuel Cycle Cost
• Thorium breeders obvious but MSR-Burners also very efficient on uranium use
Terrestrial Energy Integral Molten Salt Reactor:
• LEU fueled MSR-Burner design like the 1980 DMSR
• Integrates all primary systems into a sealed reactor Core unit
• 7 year Core unit “Seal and Swap” approach to graphite lifetime
• Shorter lifetime for vessel and HX simplify qualification
• Planned as 400 MWth (~ 192 MWe)
• Alternate salt and new off gas system
• New passive decay heat removal in situ without dump tanks
• Safety at forefront which leads to cost innovation
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