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posted by martyb on Monday June 21 2021, @10:04AM   Printer-friendly
from the nuclear-proliferation? dept.

Mass-produced floating nuclear reactors use super-safe molten salt fuel

Copenhagen startup Seaborg Technologies has raised an eight-figure sum of Euros to start building a fascinating new type of cheap, portable, flexible and super-safe nuclear reactor. The size of a shipping container, these Compact Molten Salt Reactors will be rapidly mass-manufactured in their thousands, then placed on floating barges to be deployed worldwide – on timelines that will smash paradigms in the energy industry.

[...] [Perhaps] the most impactful change to the business model is Seaborg's proposal to install these reactors on barges, and float them offshore rather than buying up land to develop nuclear power plants. There are several advantages here. For starters, you can manufacture them in bulk at a single facility. Seaborg is looking at Korean shipyards, which are already closely and efficiently connected to supply chains with enormous production capacity.

"If you want us to build not one reactor to start with, but a thousand, we could start by building a thousand," Schönefeldt told Radio Spectrum. "That will take, like, three or four years on these shipyards. So it's basically unroofed in how fast you can scale it."

These barges can be moved just about anywhere on the planet, either moored offshore or on large or small rivers, depending on how big a reactor it is. There's virtually no site preparation required; it's fully self-contained and very easy to connect to a power grid. Seaborg estimates it can service 95 percent of the world's population this way, putting basically no land requirements on a baseload or load-following power station up to a healthy 600 MW, which could supply nearly 100,000 homes.

Some imagineering required.


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  • (Score: 2) by Sourcery42 on Monday June 21 2021, @05:00PM (1 child)

    by Sourcery42 (6400) on Monday June 21 2021, @05:00PM (#1147718)

    Found the Texan ;)

    Seriously though, it is a good question. Transmission losses are huge. There is a lot of efficiency to be gained in making the power close to where it gets used. Your evil lair...err compound would be much better off that way.

    I'm still waiting for Foundation Series technology where everything is powered by a miniaturized fusion reactor. I won't hold my breath.

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  • (Score: 4, Interesting) by PinkyGigglebrain on Monday June 21 2021, @06:24PM

    by PinkyGigglebrain (4458) on Monday June 21 2021, @06:24PM (#1147761)

    IIRCC the small reactors in the Foundation series were Fission, not fusion. If your thinking about the bracelet sized shield generator that is.

    You can build incredible small fission reactors if you pick the right fuel. The trick is getting the super heavy elements (atomic numbers >110) with long enough half-lives to be useful. No one has managed it yet but some of the predictions put the size of a critical mass at just a few tens of grams (U-235 needs about 1kg ). With that you could have a reactor, or low yield bomb, the size of a cigarette lighter, getting it to produce electricity at that size however is another matter entirely.

    --
    "Beware those who would deny you Knowledge, For in their hearts they dream themselves your Master."