spentfuels, should be safely isolated from human environment for an extremely long time. ... Based on the results on the crystalline rock depth, the geothermal gradient and the spentfuel types ... Spentfuels from nuclear power plants, as well as high-level radioactive waste from the recycling of
In Korea, the amount of spentfuel generated by nuclear power generation, which accounts for about 30% ... The results of this study can be applied to the establishment of spentfuel management policy and the ... with current technologies for disposal of spentfuels classified as high-level radioactive waste.
of spent nuclear fuel that has been generated by domestic light-water reactors. ... The evaluations of this study strongly suggest that the nuclide inventory of a spent nuclear fuel metal ... nuclearfuel had been removed with expiration of the design lifetime were determined to be at very low
type and thickness of the outer shell and the lid & bottom of a spent nuclear fuel disposal container ... This container also satisfies the nuclear criticality and radiation safety limits. ... These efforts include radiation shielding and nuclear criticality analyses to check to see whether the
A lifting device is used to deal with transport cask for the transportation of spentfuels from nuclear ... of the lifting device based on Nuclear Safety and Security Commission(NSSC) Notice No.2013-27 and US ... All components have been shown to ensure the structural safety due to sufficient safety margins.
LiCl-KCl used as an electrolyte in spent nuclear fuel electrorefiners. ... This salt typically contains several actinides in addition to many active metal fission products (rare ... However, most of the voltammetry studies to date have focused on a single actinide or lanthanide in eutectic
The recovery yields of Am and Cm were 85.2, respectively, from the synthetic solution of spentnuclear ... fuel sample. ... The separated elements were determined by electrodeposition at the sodium hydrogen sulfate-sodium sulfate
The major concern in the deep geological disposal of spent nuclear fuels include sulfide-induced corrosion ... of sulfur diffusion and Cu2S precipitation along grain boundaries. ... along grain boundaries; these sulfide particles can act as crack initiation sites and eventually cause
assessment of deep underground spent nuclear fuel (SNF) disposal systems. ... The solubility and species distribution of radionuclides in groundwater are essential data for the safety ... In this study, the solubility of americium compounds was evaluated in synthetic groundwater (Syn- DB3
It has a plutonium-fueled nuclear reactor that will provide plenty of power for Curiosity's many activities ... They spent $13 billion on veterinary care in 2010. ... Kapitan says she hopes to reach an out of court settlement with the company.
fuel storage pool and spentfuel depletion parameters such as axial burnup effect, operation history ... As necessity of safety re-evaluation for spentfuel storage facility has emphasized after the Fukushima ... As groundwork, parametric and sensitivity analyses of various storage conditions for Kori Unit 4 spent
spentfuels are disposed of, has been developed. ... wastes, low-level metal wastes and ceramic high-level wastes that arise from the pyro-processing of PWR nuclear ... A GoldSim template program for a safety assessment of a hybrid-typed repository system, called “A-KRS
After 9.11, nuclear security has become the world wide issue. ... In addition, unlike to other region, some countries are considering the introduction of nuclear power ... Demand on the nuclear energy in East Asian countries has been grown rapidly to support economic development
Analysis of foreign and domestic patents for pyroprocessing technology of spent nuclear fuels was carried ... out in this study. ... The current status of pyroprocessing technology development in such countries as Korea, USA, Japan and
A simulated metallic uranium alloy, U-Nb has been fabricated and then oxidized in the range of 200 to ... Besides, it is shown that the activation energy attributable to the oxidation is 17.1321.92 kcal/mol/ ... The results show that the oxidation resistance of the U-Nb alloy is considerably enhanced in comparison
multi-unit accidents/release from spentfuel pools, and its atmospheric dispersion is based on a simple ... The importance of severe nuclear accidents and probabilistic safety assessment (PSA) were brought to ... international attention with the occurrence of severe nuclear accidents caused by the extreme natural
for spent nuclear fuels. ... This paper focused on how rock’s different geological conditions, such as topography, soils, rock types ... level change, whereas Japan defined seismic activity and volcanism as the main siting factors of the
In the pyroprocessing of spent nuclear fuels, LiCl-KCl waste salt containing radioactive rare earth chlorides ... The immobilization of these waste developed in this study involves a solid state sintering of the waste ... for storage and ultimate disposal.
A pyroprocess is currently being developed by KAERI to cope with a highly accumulated spent nuclear fuel ... , and structural stability. ... The disposal canister should be safe from thermal, chemical, mechanical, and biological invasions for