Rajan Wilcox
Plutonium Fuel Rods are a late-game fuel source produced by reprocessing Uranium Waste. Plutonium is a by-product of nuclear power plants and is also used in the creation of nuclear weapons. Plutonium-239 is the most common isotope of plutonium and is formed in nuclear reactors by transmutation of individual atoms of one of the isotopes of uranium present in the fuel rods. Plutonium Fuel Rods can be used in nuclear power plants or as vehicle fuel. Burning Plutonium Fuel Rods in nuclear power plants produces plutonium waste, whereas using them as vehicle fuel does not produce any waste.
| Characteristics | Values |
|---|---|
| How much plutonium in a fuel assembly | Spent nuclear fuel commonly contains about 0.8% plutonium-239 |
| How much plutonium is in a nuclear reactor | A 1000 MWe light water reactor gives rise to about 25 tonnes of used fuel a year, containing up to 290 kilograms of plutonium |
| How much plutonium is in a nuclear bomb | It takes about 10 kilograms of nearly pure Pu-239 to make a bomb |
| How much plutonium is in a nuclear weapon | Plutonium-239 is the primary fissile isotope used for the production of nuclear weapons |
| How much plutonium is in a nuclear power plant | Over one-third of the energy produced in most nuclear power plants comes from plutonium |
| How much plutonium is in a fuel rod | Plutonium Fuel Rods can be used as vehicle fuel, without producing any Plutonium Waste |
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What You'll Learn
Plutonium-239 is the main isotope in fuel assemblies
Plutonium-239 is an isotope of plutonium and is the most common plutonium isotope formed in a typical nuclear reactor. It is formed by neutron capture from U-238, followed by beta decay. Plutonium-239 is constantly being created in the reactor core during operation and is responsible for about one-third of the total energy produced in a typical commercial nuclear power plant. It is also one of the three main isotopes demonstrated to be usable as fuel in thermal spectrum nuclear reactors, along with uranium-235 and uranium-233.
Plutonium-239 has a half-life of 24,110 years and is the primary fissile isotope used for the production of nuclear weapons. It has the smallest critical mass of all the common nuclear fuels, with a spherical untamped critical mass of about 11 kg. Plutonium-239 can be created in nuclear reactors by the transmutation of individual atoms of one of the isotopes of uranium present in the fuel rods. When an atom of U-238 is exposed to neutron radiation, it captures a neutron, changing it to U-239, which then decays into plutonium-239.
Plutonium-239 is also used in fast neutron reactors, where a much higher proportion of it fissions, and all plutonium isotopes fission and function as fuel. The energy potential of plutonium is more fully realized in a fast reactor. Plutonium-239 can be extracted from used reactor fuel and recycled into mixed oxide (MOX) fuel, which contains about 8% Pu-239.
Plutonium-239 is also produced in breeder reactors, which produce more plutonium than they consume fuel. However, due to the difficulty in constructing and operating breeder reactors, they are generally only used to produce plutonium. Plutonium-239 is also present in spent nuclear fuel that has been removed from the reactor at the end of the fuel assembly's service life.
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It's produced by neutron capture from U-238
Plutonium is formed in nuclear power reactors from uranium-238 by neutron capture. Plutonium-239 (239Pu or Pu-239) is an isotope of plutonium and is the primary fissile isotope used for the production of nuclear weapons. It is also one of the three main isotopes demonstrated usable as fuel in thermal spectrum nuclear reactors. Plutonium-239 has a half-life of 24,110 years.
Plutonium-239 is formed by neutron capture from U-238. Occasionally, when an atom of U-238 is exposed to neutron radiation, its nucleus will capture a neutron, changing it to U-239. This happens more often with lower kinetic energy (as U-238 fission activation is 6.6 MeV). The U-239 then rapidly undergoes two beta decays — an emission of an electron and an anti-neutrino.
Plutonium-239 is constantly being created in the reactor core during operation, and the use of plutonium-239 as nuclear fuel in power plants can occur without reprocessing of spent fuel. Plutonium-239 is fissioned in the same fuel rods in which it is produced. Fissioning of plutonium-239 provides more than one-third of the total energy produced in a typical commercial nuclear power plant.
Plutonium-238 (238Pu or Pu-238) is a radioactive isotope of plutonium that has a half-life of 87.7 years. Plutonium-238 is a very powerful alpha emitter, making it suitable for usage in radioisotope thermoelectric generators (RTGs) and radioisotope heater units. Plutonium-238 was the first isotope of plutonium to be discovered. It was synthesized by Glenn Seaborg and his associates in 1940 by bombarding uranium-238 with deuterons, creating neptunium-238. Plutonium-238 is a vital power source for deep space missions.
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Plutonium fuel rods can be used in vehicles
Plutonium fuel rods are a very late-game fuel produced by reprocessing uranium waste. Plutonium fuel rods can be used in vehicles and are the most effective form of fuel for them, providing hours of power with a single fuel rod. The Tractor, for instance, runs for 7 hours 34 minutes 32 seconds per fuel rod. The Truck runs for 5 hours 33 minutes 20 seconds per fuel rod. The Explorer runs for 4 hours 37 minutes 46 seconds per fuel rod. The Cyber Wagon runs for 2 hours 46 minutes 40 seconds per fuel rod.
Plutonium fuel rods can be loaded into the fuel tank of wheeled vehicles either manually by the Pioneer or automatically through a Truck Station. Caution should be used as the Plutonium Fuel Rods will still generate intense radiation in a Truck Station or while in a fuel tank waiting to be consumed. Once consumed by the vehicle, the radiation will cease. Plutonium fuel rods can also be used to fuel drones.
Burning Plutonium Fuel Rods in Nuclear Power Plants produces Plutonium Waste. Alternatively, they can be used as vehicle fuel, without producing any Plutonium Waste. Plutonium fuel rods can be used to destroy uranium waste. The Uranium Waste-handling chain consumes 483 MJ/Uranium Waste, not counting other inputs which make up only a small portion of consumption. By comparison, a uranium-burning Nuclear Power Plant produces 15,000 MJ/Uranium Waste.
Over one-third of the energy produced in most nuclear power plants comes from plutonium. Plutonium fuel rods can be used as a direct substitute for U-235 in the usual fuel, the Pu-239 being the main fissile part, but Pu-241 also contributing. Plutonium-239 is the primary fissile isotope used for the production of nuclear weapons, although uranium-235 is also used for that purpose. Plutonium-239 is also one of the three main isotopes demonstrated usable as fuel in thermal spectrum nuclear reactors, along with uranium-235 and uranium-233.
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Burning rods in power plants produces plutonium waste
Plutonium fuel rods are a late-stage fuel source produced by reprocessing uranium waste. They emit strong radiation and are used in nuclear power plants to generate power. However, burning plutonium fuel rods in nuclear power plants results in the production of plutonium waste, which is highly radioactive and must be handled and stored with caution.
Plutonium fuel rods are created by reprocessing uranium waste, which is a common by-product of nuclear power plants. This process involves using specific machinery, such as blenders, particle accelerators, assemblers, and manufacturers, to convert uranium waste into plutonium fuel rods. Plutonium fuel rods have a high power generation capacity, making them an attractive fuel source for nuclear power plants.
When plutonium fuel rods are burned in nuclear power plants, they produce plutonium waste as a by-product. Plutonium waste is highly radioactive and must be carefully managed to ensure the safety of both people and the environment. Safe storage and handling procedures are crucial to mitigate the risks associated with plutonium waste.
The production and use of plutonium fuel rods in nuclear power plants offer certain advantages and challenges. On the one hand, plutonium fuel rods provide a significant increase in nuclear power generation capacity compared to other fuel sources. They also contribute to the efficient utilisation of uranium waste, reducing the overall waste generated by nuclear power plants.
However, the burning of plutonium fuel rods leads to the creation of plutonium waste, which is highly radioactive and requires specialised disposal methods. Additionally, the intense radiation emitted by plutonium fuel rods during the refueling process can create safety concerns. As a result, it is not recommended to automatically refuel vehicles or machinery with plutonium fuel rods to avoid prolonged exposure to intense radiation.
Overall, while plutonium fuel rods offer enhanced power generation capabilities, the production of plutonium waste and the associated safety and disposal challenges must be carefully addressed to ensure the responsible utilisation of this fuel technology.
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Plutonium can be used in fast neutron reactors
Plutonium is a by-product of nuclear power plants, and it can be used as fuel in fast neutron reactors. Plutonium-239 (239Pu or Pu-239) is the primary fissile isotope used for the production of nuclear weapons, and it is also one of the three main isotopes demonstrated usable as fuel in thermal spectrum nuclear reactors, along with uranium-235 and uranium-233. Plutonium-239 has a half-life of 24,110 years, and it is formed by neutron capture from U-238.
Plutonium-239 is constantly being created in the reactor core during operation, and it can be used as nuclear fuel in power plants without reprocessing spent fuel. The use of plutonium-239 as nuclear fuel allows for the burning off of plutonium-239 through fissioning, which provides more than one-third of the total energy produced in a typical commercial nuclear power plant.
Fast neutron reactors can operate in a fast "burner" mode, where they can eliminate all plutonium in the world stockpile of once-through spent fuel. The American IFR (Integral Fast Reactor) is an example of a fast reactor that can be operated in an incineration mode, with the advantage of not accumulating the plutonium-242 isotope or long-lived actinides.
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Frequently asked questions
Plutonium-239 is commonly found in spent nuclear fuel that has been removed from the reactor at the end of the fuel assembly's service life. The amount of plutonium-239 present is typically around 0.8%.
Plutonium-239 is an isotope of plutonium and is the primary fissile isotope used for the production of nuclear weapons and fuel in thermal spectrum nuclear reactors.
It takes about 10 kilograms of nearly pure plutonium-239 to make a bomb.
Plutonium Fuel Rods are a highly efficient fuel source, providing hours of power from a single rod. They are produced by reprocessing Uranium Waste and can be used in Nuclear Power Plants or as vehicle fuel.
