Why Isn’t Plutonium Commonly Used in Nuclear Reactors?

Discover why plutonium is rarely used in nuclear reactors and why uranium-235 remains the preferred fuel choice.

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Plutonium isn't commonly used in nuclear reactors primarily because of its highly hazardous nature and tendency to generate heat and radiation even when not in use, making it difficult to handle safely. Furthermore, uranium-235 is more efficient and easier to manage, making it the preferred choice for most reactors.

FAQs & Answers

  1. What makes uranium-235 preferable to plutonium in reactors? Uranium-235 is more efficient and easier to manage compared to plutonium, which produces more heat and radiation, making uranium-235 the preferred nuclear fuel.
  2. Why is plutonium considered hazardous in nuclear reactors? Plutonium generates heat and radiation even when not in use, posing significant handling and safety challenges in nuclear reactors.
  3. Can plutonium be used safely in nuclear reactors? While plutonium can be used as fuel in certain reactor types, its high radioactivity and heat generation require stringent safety protocols, limiting its widespread use.
  4. Are there any reactors that currently use plutonium as fuel? Yes, some fast breeder reactors and mixed oxide (MOX) fuel reactors use plutonium, but these are less common due to safety and handling concerns.

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