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Thread: The new, safer nuclear reactors that might help stop climate change

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    The new, safer nuclear reactors that might help stop climate change

    The new, safer nuclear reactors that might help stop climate change

    Nuclear is moving from sodium-cooled fission to advanced fusion. Clean and safe energy.

    As of early 2018 there were 75 separate advanced fission projects trying to answer that question in North America alone, according to the think tank Third Way. These projects employ the same type of reaction used in the conventional nuclear reactors that have been used for decades—fission, or splitting atoms.

    One of the leading technologies is the small modular reactor, or SMR: a slimmed-down version of conventional fission systems that promises to be cheaper and safer. NuScale Power, based in Portland, Oregon, has a 60-megawatt design that’s close to being deployed. (A typical high-cost conventional fission plant might produce around 1,000 MW of power.)


    NuScale has a deal to install 12 small reactors to supply energy to a coalition of 46 utilities across the western US, but the project can go ahead only if the group’s members agree to finance it by the end of this year. History suggests that won’t be easy. In 2011, Generation mPower, another SMR developer, had a deal to construct up to six reactors similar to NuScale’s. It had the backing of corporate owners Bab$#@! & Wilcox, one of the world’s largest energy builders, but the pact was shelved after less than three years because no new customers had emerged. No orders meant prices wouldn’t come down, which made the deal unsustainable.


    While NuScale’s approach takes traditional light-water-cooled nuclear reactors and shrinks them, so-called generation IV systems use alternative coolants. China is building a large scale sodium-cooled reactor in Fujian province that’s expected to begin operation by 2023, and Washington-based TerraPower has been developing a sodium-cooled system that can be powered with spent fuel, depleted uranium, or uranium straight out of the ground. TerraPower—Bill Gates is an investor—forged an agreement with Beijing to construct a demonstration plant by 2022, but the Trump administration’s restrictions on Chinese trade make its future questionable.
    Read the entire article at the link.
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    What?

    Sodium cooled fission was a silly thing of the fifties.

    There's this stuff, cheap, plentiful and non-explosive, with a low neutron absorption cross section but yet moderates the prompt neutrons to thermal levels simply, thst replaced sodium ages ago. We called it "water".

    One of the advantages of water over sodium is that water does not explode when it leaks out of a reactor and comes into contact with water. No college freshmen ever dropped a cube of ice into a toilet to make it explode.

    And, no, fusion reactors are not going to be "clean". The fusion neutrons will mess up the hardware just like fission neutrons do.

    Oh, and since human actions have had no measurable effect on global climate, how is switching from fission power to fusion ower, neither of which emit the gasses associated with either end of Rosie O'Donnel, going to do anything to the climate?
    Last edited by Sergeant Gleed; 04-01-2019 at 05:45 PM.
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