Thorium fuel cycle
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High Quality Content by WIKIPEDIA articles! The thorium fuel cycle is a nuclear fuel cycle that uses the naturally abundant isotope of thorium, 232Th, as fertile material, and the artificial uranium isotope, 233U, as fissile fuel for a nuclear reactor. However, unlike natural uranium, natural thorium contains only trace amounts of fissile material (such as 231Th) that are insufficient to initiate a nuclear chain reaction. Thus, some fissile material must be mixed with natural thorium in order to initiate the fuel cycle. In a thorium-fueled reactor, 232Th will absorb slow neutrons to produce…mehr

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High Quality Content by WIKIPEDIA articles! The thorium fuel cycle is a nuclear fuel cycle that uses the naturally abundant isotope of thorium, 232Th, as fertile material, and the artificial uranium isotope, 233U, as fissile fuel for a nuclear reactor. However, unlike natural uranium, natural thorium contains only trace amounts of fissile material (such as 231Th) that are insufficient to initiate a nuclear chain reaction. Thus, some fissile material must be mixed with natural thorium in order to initiate the fuel cycle. In a thorium-fueled reactor, 232Th will absorb slow neutrons to produce 233U, which is similar to the process in uranium-fueled reactors whereby fertile 238U absorbs neutrons to form fissile 239Pu. Depending on the design of the reactor and fuel cycle, the 233U generated is either utilized in situ or chemically separated from the used nuclear fuel and used in new nuclear fuel.