What is MOX fuel?
[[File:Brennelement-Kernkraftwerk.jpg|thumb|right|Nuclear fuel, the enlargement on the left shows the so called ''pellets''. Original size of the module is about 4.5m in length.]] '''Mixed-oxide fuel''' (or '''MOX fuel''') is [[nuclear fuel]] that contains an [[oxide]] of more than one element. Most nuclear fuel that is not of the MOX type only contains [[uranium dioxide]]. In most cases, the additional oxide will be [[plutonium dioxide]], sometimes [[thorium dioxide]]. Any reactor that uses uranium-based fuel will produce plutonium dioxide. Mox fuel consists of about 93% uranium, and about 7% of thorium or plutonium dioxide. One of the benefits of using MOX-type fuel is that the plutonium dioxide that is produced, can be re-used for energy generation. Certain types of [[nuclear power]] plants need [[plutonium]] to work properly. [[Category:Nuclear energy]] {{science-stub}}