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  • lewis_whokeyser lewis_whokeyser Aug 20, 2013 4:57 PM Flag

    OT: DOE Funding Small Gas Cooled Reactors

    The Department of Energy (DoE) intends to fund up to two designs for SMRs through a cost-shared partnership which will support first-of-a-kind engineering, design certification and licensing. With the first round of funding allocated to B&W in late 2012, the DoE is now reviewing applications under a second round.

    General Atomics (GA) has now confirmed that it is one of several SMR developers to have submitted proposals in the second round. Its proposal is for the EM2, a modified version of its Gas-Turbine Modular Helium Reactor (GT-MHR) design.

    The EM2 employs a 500 MWt, 265 MWe helium-cooled fast-neutron high-temperature reactor operating at 850°C. This would be factory manufactured and transported to the plant site by truck. According to GA, the EM2 reactor would be fuelled with 20 tonnes of used PWR fuel or depleted uranium, plus 22 tonnes of uranium enriched to about 12% U-235 as the starter.

    It is designed to operate for 30 years without requiring refuelling, the company said. Used fuel from the EM2 could be processed to remove fission products (about 4 tonnes) and the balance then recycled as fuel for subsequent cycles, each time topped up with four tonnes of used PWR fuel. The module also incorporates a truck-transportable high-speed gas turbine generator.

    General Atomics has been the primary developer of modular helium-cooled nuclear power reactor systems, while its TRIGA research reactors have operated around the world for over 45 years. GA has teamed up with Chicago Bridge & Iron, Mitsubishi Heavy Industries and Idaho National Laboratory to develop the EM2.

    Senior vice president of GA's energy and advanced concepts group John Parmentola commented, "We welcome the opportunity to join the Department of Energy in advancing the next generation of nuclear technology for reliable and cost-effective clean energy, for this century and beyond."

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    • These sound like good source of energy. What do you think they would cost/SMR? Is this the project that Gates has been behind?

      • 1 Reply to tiger850
      • I heard Bill Gates was working on a traveling wave reactor, which is a type of breeder reactor. It generates its own fissile fuel by converting U 238 to Pu 239 and gets much higher fuel efficiency than current designs..
        If they could create a 100-MW 30-yr self contained reactor for a million dollars, they'd sell them like hot cakes if the government let them.
        We'd all be using breeder reactors and probably have colonies on Mars by now if Jimmy Carter hadn't outlawed them.
        Carter had the second worst energy policy in America's history.
        Gates may have some other irons in the fire, I'd have to do more research...

        Maybe we can get Elon Musk from Tesla to take on nuclear power. He'll need something to power his private Space-X rockets.

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