Thorium is a naturally occurring radioactive metal that is found in soil, rock, and water. Basically, this is carried out in a fast or thermal reactor where the thorium-232 is irradiated with uranium 233 and absorbs a neutron converting it to thorium–233U; a fertile material which can now be used as a fuel in a thorium nuclear reactor. Overview of Reactors Operating on Uranium and Thorium Fuels. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. Uranium Reactors Thorium vs Uranium – Delayed Neutrons. Thorium and its waste products re more than 1000 times less radioactive than uranium’s. And in terms of chemical stability and resistance to radioactivity thorium is a safer alternative compared to uranium. It is formed by the radioactive decay of uranium. Thorium can be used as a nuclear fuel through breeding to uranium-233 (U-233). Thorium and uranium are the two natural-occurring elements on Earth that can release nuclear energy through fission. 1. Resource Base: Thorium is three to four times more prevalent in the earth’s crust than uranium, a fact that proponents cite in favor of thorium-based fuel cycles. This is a major advantage when it comes to storing, transporting and handling the fuel and waste Abundant.The thorium reserves have been estimated to be about 3 times as much as uranium, meaning it could supply us for many decades into the future. Thorium is about three times more common than uranium, because it has a longer half life and decays more slowly. To begin with, there is limited radioactive debris when thorium is used. Thorium is much more abundant in nature than uranium. When this thorium fuel cycle is used, much less plutonium and other transuranic elements are produced, compared with uranium fuel cycles. Several thorium-fuelled reactor concepts are under consideration. Thorium has coloring properties that have made it useful in ceramic glazes. Most of the uranium and all of the thorium has to be converted to fissile material before it can release its nuclear. Minerals such as monazite, thorite, and thorianite are rich in thorium and may be mined for the metal. Here are a few key ways they differ. What is thorium? According to the UN nuclear agency IAEA there are many benefits with thorium compared to uranium, which is currently used in nuclear reactors. Thorium vs. uranium It’s important to understand the differences between uranium and thorium when considering developments in nuclear energy. Thorium and uranium reactors use different fission reactions, which means the reactions have different products and properties. Thorium and uranium are the two natural-occurring elements on Earth that can release nuclear energy through fission. Thorium is about three times more common than uranium, because it has a longer half life and decays more slowly. 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