Search results
Results from the WOW.Com Content Network
The nuclear fuel cycle employs a full actinide recycle with two major options: One is an intermediate-size (150–600 MWe) sodium-cooled reactor with uranium-plutonium-minor-actinide-zirconium metal alloy fuel, supported by a fuel cycle based on pyrometallurgical reprocessing in facilities integrated with the reactor. The second is a medium to ...
Nuclear fuel process A graph comparing nucleon number against binding energy Close-up of a replica of the core of the research reactor at the Institut Laue-Langevin. Nuclear fuel refers to any substance, typically fissile material, which is used by nuclear power stations or other nuclear devices to generate energy.
Nuclear energy and renewable energy have reduced environmental costs by decreasing CO 2 emissions resulting from energy consumption. [2] There is a catastrophic risk potential if containment fails, [3] which in nuclear reactors can be brought about by overheated fuels melting and releasing large quantities of fission products into the ...
[7] [8] A 2012 Guardian article pointed out that a new generation of fast reactors such as the PRISM "could dispose of the waste problem, reducing the threat of radiation and nuclear proliferation, and at the same time generate vast amounts of low-carbon energy".
The advanced reprocessing of spent nuclear fuel is a potential key to achieve a sustainable nuclear fuel cycle and to tackle the heavy burden of nuclear waste management. In particular, the development of such advanced reprocessing systems may save natural resources, reduce waste inventory and enhance the public acceptance of nuclear energy.
In case of low-carbon sources of energy, such as nuclear power, experts highlight that the discount rate should be set low (1-3%) as the value of low-carbon energy for future generations prevents very high future external costs of climate change. Numerous LCOE comparisons however use high discount rate values (10%) which mostly reflects ...
In carbon dioxide-cooled reactors such as the AGR, if the solid control rods fail to arrest the nuclear reaction, nitrogen gas can be injected into the primary coolant cycle. This is because nitrogen has a larger absorption cross-section for neutrons than carbon or oxygen ; hence, the core then becomes less reactive.
Nuclear power, with a 10.6% share of world electricity production as of 2013, is the second largest low-carbon power source. [19] Nuclear power, in 2010, also provided two thirds of the twenty seven nation European Union's low-carbon energy, [20] with some EU nations sourcing a large fraction of their electricity from nuclear power; for example ...