Results 21 to 30 of about 2,642 (182)

Covalency in Actinide Compounds

Chemistry – A European Journal, 2021
AbstractCovalency in actinides has emerged as a resounding research topic on account of the technological importance in separating minor actinides from lanthanides for spent nuclear fuel processing, and utilization of their distinct bonding properties has been realized as a route towards overcoming this challenge.
Kristen A. Pace, Vladislav V. Klepov, Anna A. Berseneva, Hans‐Conrad zur Loye   +3 more
openaire   +3 more sources

Study on Transmutation of Minor Actinides as Burnable Poison in VVER-1000 Fuel Assembly

Science and Technology of Nuclear Installations, 2019
Thermal reactors have been considered as interim solution for transmutation of minor actinides recycled from spent nuclear fuel. Various studies have been performed in recent decades to realize this possibility.
Vinh Thanh Tran, Hoai-Nam Tran, Huu Tiep Nguyen, Van-Khanh Hoang, Pham Nhu Viet Ha   +4 more
doaj   +1 more source

Decay heat power of spent nuclear fuel of power reactors with high burnup at long-term storage

EPJ Web of Conferences, 2017
Decay heat power of actinides and fission products from spent nuclear fuel of power VVER-1000 type reactors at long-term storage is calculated. Two modes of storage are considered: mode in which single portion of actinides or fission products is loaded ...
Ternovykh Mikhail, Tikhomirov Georgy, Saldikov Ivan, Gerasimov Alexander   +3 more
doaj   +1 more source

Synthesis of Mixed Actinide Oxides Using Microwave Radiation

Energies, 2022
A method has been developed for producing mixed actinide oxides suitable for fabricating mixed nitride uranium plutonium fuel for fast neutron reactors. The method is based on the use of microwave radiation for the direct denitration of actinide nitrate ...
Konstantin Dvoeglazov, Yury Kulyako, Sergey Vinokurov, Boris Myasoedov, Mikhail Dmitriev, Oleg Ushakov, Yuri Mochalov, Andrei Shadrin, Pavel Smolkin   +8 more
doaj   +1 more source

Column Separation of Am(III) and Eu(III) by α-Zirconium Phosphate Ion Exchanger in Nitric Acid

ChemEngineering, 2020
The trivalent lanthanide-actinide separations are a major challenge in reprocessing of nuclear fuels. To achieve this, commonly organic extractants and solvents are utilized in elaborate processes.
Elmo W. Wiikinkoski, Iiro Rautsola, Junhua Xu, Risto Koivula   +3 more
doaj   +1 more source

Hydrothermal Synthesis and Structural Investigation of a Crystalline Uranyl Borosilicate

Inorganics, 2021
The relevance of multidimensional and porous crystalline materials to nuclear waste remediation and storage applications has motivated exploratory research focused on materials discovery of compounds, such as actinide mixed-oxoanion phases, which exhibit
Kristen A. Pace, Vladislav V. Klepov, Mark D. Smith, Travis Williams, Gregory Morrison, Jochen A. Lauterbach, Scott T. Misture, Hans-Conrad zur Loye   +7 more
doaj   +1 more source

A methodological framework for building interoperable sorption databases: application to cesium sorption in crystalline rocks [version 1; peer review: 2 approved]

Open Research Europe
Databases are key to knowledge management and to implement FAIR (Findable, Accessible, Interoperable, and Reusable) principles in scientific research. However, most experimental sorption data remain underused owing to heterogeneous reporting practices ...
Miguel García-Gutiérrez, Tiziana Missana   +1 more
doaj   +1 more source

Comparison of Local and Systemic DTPA Treatment Efficacy According to Actinide Physicochemical Properties Following Lung or Wound Contamination in the Rat

Frontiers in Pharmacology, 2021
Purpose: In cases of occupational accidents in nuclear facilities or subsequent to terrorist activities, the most likely routes of internal contamination with alpha-particle emitting actinides, such as plutonium (Pu) and americium (Am), are by inhalation
Nina M. Griffiths, Anne Van der Meeren, Olivier Grémy   +2 more
doaj   +1 more source

Ultrasensitive Radionuclide Analysis in Water and Sediments for Environmental Radiological Assessment near the Decommissioning Garigliano Nuclear Power Plant (Italy)

Applied Sciences, 2022
We report a high sensitivity study of actinides content in water and sediment matrices performed for the first time along the Garigliano river, near the nuclear power plant currently undergoing decommissioning, and in the marine environment surrounding ...
Antonio Petraglia, Carmina Sirignano, Fabio Marzaioli, Carlo Sabbarese, Antonio D’Onofrio, Giuseppe Porzio, Raffaele Buompane, Vincenzo Roca, Luisa Stellato, Alfonso Maria Esposito, Pietro Mazziotta, Filippo Terrasi   +11 more
doaj   +1 more source

Neptunyl(VI) Nitrate Coordination Polymer with Bis(2-pyrrolidone) Linkers Highlighting Crystallographic Analogy and Solubility Difference in Actinyl(VI) Nitrates

Inorganics, 2023
NpO2(NO3)2 units are connected by bis(2-pyrrolidone) linker molecules with the trans-1,4-cyclohexyl bridging part (L1) to form a one-dimensional coordination polymer, [NpO2(NO3)2(L1)]n.
Tomoyuki Takeyama, Juliane März, Ryoma Ono, Satoru Tsushima, Koichiro Takao   +4 more
doaj   +1 more source