USA approves 4th generation nuclear molten salt reactor Hermes 2

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USA approves 4th generation nuclear molten salt reactor Hermes 2

By admin, Kasım 21, 2024

USA approves 4th generation nuclear molten salt reactor Hermes 2





USA approves 4th generation nuclear molten salt reactor Hermes 2



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At a time when energy demand is increasing day by day and reducing carbon emissions has become mandatory, nuclear energy is on the agenda again. American Nuclear Regulatory Commission (NRC), the first US 4th generation molten salt reactor Hermes 2He approved the construction of . This reactor will produce 20 MWe of clean energy without carbon emissions.

Approval has been given for Hermes 2

Nuclear energy capacity 2050 operating in the US state of Tennessee, which wants to triple its size by 2020 Kairos Powerplays an important role in this transformation. The company aims to produce safer, more efficient and environmentally friendly energy by using molten salt technology. Hermes reactors developed by the company, 4th generation nuclear reactor One of the latest examples of technology. This technology both provides high fuel efficiency and increases safety by minimizing leakage risks.




USA approves 4th generation nuclear molten salt reactor Hermes 2



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molten salt reactors (molten-salt reactor – MSR) eliminates or greatly minimizes the nuclear meltdown scenario present in water-cooled reactors because the fuel mixture is kept molten. The high boiling points of molten salts allow the reactor to operate at low pressure. This makes the use of pressurized structures unnecessary and greatly reduces the risk of explosion. Additionally, in an emergency, the cooling and solidification of molten salts prevents the leakage of radioactive materials and minimizes the risk of core melting. Additionally, hydrogen evolution does not develop in these reactors. Consequently, the risk of hydrogen explosion (as in the Fukushima nuclear disaster) is eliminated.

However, Kairos Power’s nuclear power plant design features gravel-bed Hermes reactors with graphite moderators containing fluoride salt as the coolant. Inside the reactor, three structural ISOtropic (randomly packed) in pebble form (TRISO) when using particle fuel approx. 20 percent enriched low level uranium Contains (HALEU).

Hermes 2 will produce 20MWe of electricity

In December 2023, Kairos Power received approval from the NRC to build the Hermes Low-Power Demonstration Reactor (Hermes 1), the first fourth-generation reactor to receive construction approval in the United States, and started construction in recent months. This reactor is being built solely to demonstrate system integration and operational safety. The facility will not produce energy.

With the final approval, the NRC has given Kairos permission to build a power plant that will eventually power the grid. The power plant, called Hermes 2, will be located next to Hermes 1 and 20 MWe It will have two 35 MWth reactors with combined production capacity. Not only did Kairos manage to get approval from the NRC for Hermes 2, but they did it in 16 months. NRC also wants to simplify regulatory approvals for future projects.

























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