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Fission power: an evolutionary strategy.

H A Feiveson, F von Hippel, R H Williams

    Science (New York, N.Y.)
    |January 26, 1979
    PubMed
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    Advanced converter reactors offer a proliferation-resistant nuclear fuel strategy. These reactors improve uranium efficiency, potentially competing economically with breeder reactors without needing weapons-usable material in fresh fuel.

    Area of Science:

    • Nuclear Engineering
    • Energy Policy
    • Materials Science

    Background:

    • Safeguarding plutonium in breeder reactor fuel cycles presents significant challenges.
    • Current nuclear reactor designs necessitate careful management of nuclear materials to prevent proliferation.
    • Advanced reactor concepts are being explored to address these security and resource concerns.

    Purpose of the Study:

    • To evaluate the resource and economic implications of a nuclear fuel strategy that avoids weapons-usable material in fresh reactor fuel.
    • To assess the viability of advanced converter reactors operating on proliferation-resistant, once-through fuel cycles.
    • To determine the economic competitiveness of advanced converter reactors compared to breeder reactors.

    Main Methods:

    • Analysis of resource utilization for advanced converter reactors on once-through fuel cycles.

    Related Experiment Videos

  • Economic modeling comparing advanced converter reactors with breeder reactors under varying uranium prices.
  • Exploration of denatured uranium recycling to further reduce uranium requirements.

    • Main Results:

    • Advanced converter reactors demonstrate significantly improved uranium efficiency on once-through fuel cycles compared to current systems.
    • These reactors can remain economically competitive with breeder reactors even at substantially elevated uranium prices.
    • Isotopically denatured uranium recycling can further decrease uranium needs, deferring closed fuel cycle commitments for decades.

    Conclusions:

    • A strategy using advanced converter reactors on proliferation-resistant fuel cycles is a viable alternative to breeder reactors.
    • This approach mitigates concerns regarding the safeguarding of nuclear weapons-usable material.
    • Long-term economic competitiveness and resource sustainability can be achieved without immediate reliance on closed fuel cycles.