Radioactive Waste

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It is important to distinguish the processing of uranium to make fuel from the reprocessing of used fuel. Used fuel contains the highly radioactive products of fission (see high-level waste below). Many of these are neutron absorbers, called neutron poisons in this context. These eventually build up to a level where they absorb so many neutrons that the chain reaction stops, even with the control rods completely removed. At that point, the fuel has to be replaced in the reactor with fresh fuel, even though there is still a substantial quantity of uranium-235 and plutonium present. In the United States, this used fuel is usually "stored", while in other countries such as Russia, the United Kingdom, France, Japan, and India, the fuel is reprocessed to remove the fission products, and the fuel can then be re-used. The fission products removed from the fuel are a concentrated form of high-level waste as are the chemicals used in the process. While these countries reprocess the fuel carrying out single plutonium cycles, India is the only country known to be planning multiple plutonium recycling schemes.

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Middle School Closes After Officials Find Radioactive ...
Middle School Closes After Officials Find Radioactive ...
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Nuclear Waste Costs Americans Billions Every Year ...
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Clearing Radioactive Waste With Light Activated Pumps ...
Clearing Radioactive Waste With Light Activated Pumps ...
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radioactive waste by crazyhorse42 on DeviantArt
radioactive waste by crazyhorse42 on DeviantArt
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Lake Karachay: The Most Polluted Spot on Earth
Lake Karachay: The Most Polluted Spot on Earth
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Waste-munching bacteria could make nuclear stores safer ...
Waste-munching bacteria could make nuclear stores safer ...
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Radioactive Waste Management: Workshop Highlights ...
Radioactive Waste Management: Workshop Highlights ...
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Chemists Have Found a Productive Use for Stockpiles of ...
Chemists Have Found a Productive Use for Stockpiles of ...
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New cement can safely store radioactive nuclear waste for ...
New cement can safely store radioactive nuclear waste for ...
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nuclear waste – EURACTIV.com
nuclear waste – EURACTIV.com
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Could Californium Solve Nuclear Energy’s Biggest Problem ...
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Containing Our Nuclear Waste | Think
Containing Our Nuclear Waste | Think
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Manchester experts reveal nuclear waste tech discovery ...
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Solving the Unsolvable: Nuclear Waste Solutions for the ...
Solving the Unsolvable: Nuclear Waste Solutions for the ...
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Canadians invited to be part of solution in effective ...
Canadians invited to be part of solution in effective ...
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Effects of Radioactive Pollution - Help Save Nature
Effects of Radioactive Pollution - Help Save Nature
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Radioactive waste cleanup | Britannica
Radioactive waste cleanup | Britannica
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Everything you need to know about nuclear waste - The ...
Everything you need to know about nuclear waste - The ...
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Delivery of radioactive soil to interim storage begins in ...
Delivery of radioactive soil to interim storage begins in ...
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Chemical and Radioactive Waste Safety | Fauske and ...
Chemical and Radioactive Waste Safety | Fauske and ...
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Radioactive Waste Disposal Consulting Services - INTERA
Radioactive Waste Disposal Consulting Services - INTERA
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Better predictions for new molecules could reduce nuclear ...
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Radioactive waste could be buried under Lake District ...
Radioactive waste could be buried under Lake District ...
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Politicians Waste Time as Waste Piles Up - IER
Politicians Waste Time as Waste Piles Up - IER
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Nuclear waste in Orchid island, Taiwan | EJAtlas
Nuclear waste in Orchid island, Taiwan | EJAtlas
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HB220 would allow the country's most radioactive waste to ...
HB220 would allow the country's most radioactive waste to ...
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How green is our valley? South African nuclear power and ...
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Government now has ultimate say on radioactive waste ...
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Radioactive Waste Management - BE3 Corp
Radioactive Waste Management - BE3 Corp
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Treatment of Radioactive Nuclear Waste
Treatment of Radioactive Nuclear Waste
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High-Level Nuclear Waste Storage Materials Will Likely ...
High-Level Nuclear Waste Storage Materials Will Likely ...
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Radioactive Waste Management | Environmental Health and Safety
Radioactive Waste Management | Environmental Health and Safety
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Radioactive waste heading to Sri Lanka?
Radioactive waste heading to Sri Lanka?
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