Uranium conversion and enrichment
Turning mined uranium into the fuel a reactor can burn. Few states do this, and they do not do it quickly.
judged, with a citation claimed, no citationNumber: papers, preprints and grants the feeds collected — unreviewed
Searched for “uranium enrichment”, “HALEU”, “laser isotope separation”, “uranium conversion” in titles and abstracts.
All stagesFundamental researchApplied / labPilot / demonstrationEarly commercialAt scaleNewestMost cited
Collected by the feeds
- Burnup-dependent nuclear safeguards and security assessment of HALEU-Fueled sodium-cooled fast reactors
This study presents a burnup- and cooling-time-dependent assessment of safeguards- and security-relevant characteristics of spent fuel from high-assay low-enriched uranium (HALEU)-fueled sodium-cooled fast reactors (SFRs). A physics-based framework is adopted to evaluate spent…
Brookhaven National Laboratory
Fundamental research · No laboratory or pilot wording.From OpenAlex · not yet reviewedDOI
- Reducing Media of the Zhiluo Formation in the Saitai Area, Ordos Basin, and Their Roles in Uranium Mineralization
Uranium mineralization in the Zhiluo Formation of the Saitai area preferentially occurs in carbonaceous debris- and pyrite-rich sandstones. This study characterizes ore fluid and reducing medium controls on uranium enrichment and uranium mineral genesis using core observations…
Hefei University of TechnologyChina Geological SurveyChinese Academy of Geological SciencesLanzhou UniversityJiangxi College of Applied Technology
Fundamental research · No laboratory or pilot wording.From OpenAlex · not yet reviewedDOI
- Geochemical Characteristics of Sandstone-Type Uranium Deposits and Their Significance for Uranium Mineralization in Daqing Placanticline, Northern Songliao Basin
To reveal the uranium enrichment mechanism in the Daqing Placanticline area, northern Songliao Basin, this study collected a total of 41 samples of three geological types, namely uranium ore, uranium-mineralized sandstone and host rock from the Upper Cretaceous Sifangtai…
Fundamental research · No laboratory or pilot wording.From OpenAlex · not yet reviewedDOI
- Performance analysis of 240Pu-enhanced QUADRISO fuel in prismatic Very High Temperature Reactors
This study presents a neutronic assessment of thorium–uranium fuel systems incorporating 240 Pu burnable absorber layers for a Very High-Temperature Reactor (VHTR). The main issue addressed is the excessive beginning-of-cycle (BOC) reactivity associated with thorium-based fuels…
Ministry of EducationUniversité Ibn-TofailImam Mohammad ibn Saud Islamic UniversityTaif UniversityHigher Technological Institute
Fundamental research · No laboratory or pilot wording.From OpenAlex · not yet reviewedDOIPDF
- Comparison of MURR high-assay low-enriched uranium fuel element and design demonstration element irradiation thermo-mechanical analysis predictions
A high-assay low-enriched uranium (HALEU) fuel element design for the University of Missouri Research Reactor (MURR) has been completed to convert from highly enriched uranium (HEU) to a very high-density U-10Mo monolithic fuel. Irradiation performance of this fuel element as a…
Argonne National LaboratoryIdaho National LaboratoryUniversity of Missouri
Fundamental research · No laboratory or pilot wording.From OpenAlex · not yet reviewedDOI
- A multi-isotope approach to unravel melt sources, crustal evolution, and uranium enrichment in a Proterozoic active margin
Proterozoic magmatic provinces record lithospheric stabilization, supercontinent assembly, and emerging geodynamic and geochemical cycles that underpin plate tectonics and metallogenesis. The late Paleoproterozoic Makkovik Province, an accretionary orogen along Laurentia’s…
Curtin UniversityGovernment of Newfoundland and LabradorDepartment of Energy and MinesBoise State UniversityGeological Survey of Canada
Fundamental research · No laboratory or pilot wording.From OpenAlex · not yet reviewedDOIPDF
- Laser isotope separation of Gd-152 and Gd-160
Abstract Atomic vapor laser isotope separation (AVLIS) of gadolinium has historically emphasized enrichment of the odd isotopes, with external magnetic fields treated primarily as a source of selectivity degradation. Here we revisit polarization-selective photoionization of…
Lawrence Livermore National Laboratory
Fundamental research · No laboratory or pilot wording.From OpenAlex · not yet reviewedDOIPDF
- An available assay method for uranium enrichment in plate-type fuel elements based on dual-peak ratio
Chinese Academy of SciencesInstitute of High Energy PhysicsUniversity of Chinese Academy of Sciences
Fundamental research · No laboratory or pilot wording.From OpenAlex · not yet reviewedDOI
- Basin fluid in sandstone-hosted uranium mineralization system in the Meso-Cenozoic basins, northern China: A review
Sandstone-hosted uranium deposits are a globally significant uranium resource and are widely distributed in the Meso–Cenozoic sedimentary basins of northern China. This paper systematically reviews the basin geodynamic setting, geological characteristics, and the nature, origin…
China Geological SurveyNanjing University
Fundamental research · No laboratory or pilot wording.From OpenAlex · not yet reviewedDOIPDF
- Optimizing Acoustic Cavitation of Tristructural-Isotropic (TRISO) Fuel Particles for Efficient Recovery of Inner Uranium Kernels in Nitric Acid
High-power acoustic sound waves were delivered to an aqueous media containing tristructural-isotropic (TRISO) fuel particles to penetrate the multiple layers of the particles and access the uranium fuel kernels for recovery. The most challenging layer to penetrate was silicon…
Fundamental research · No laboratory or pilot wording.From OpenAlex · not yet reviewedDOI
- Economic Assessment of Recycling High Assay Low Enriched Uranium Sodium Cooled Fast Reactor Used Nuclear Fuels
Sodium-cooled fast reactors (SFRs) are being developed with various fuel cycle strategies, including once-through and recycling options. Initial U.S. deployments are expected to use compact SFR cores fueled with high-assay low-enriched uranium (HALEU). As SFR technology advances…
Argonne National LaboratoryBrookhaven National Laboratory
Fundamental research · No laboratory or pilot wording.From OpenAlex · not yet reviewedDOI
- Radiation-associated structural alteration and oxygen-functional group evolution of organic matter in a coal-hosted uranium deposit, Yili Basin
Organic matter (OM) is an important host for uranium in coal-bearing systems, but its molecular response to uranium enrichment remains poorly constrained. Here, coal and carbonaceous-debris samples from the Honghaigou coal-hosted uranium deposit, Yili Basin, were investigated…
Fundamental research · No laboratory or pilot wording.From OpenAlex · not yet reviewedDOIPDF
- Neutronic analysis of Yttrium Hydride temperature feedback coefficient in HALEU UMo fuelled microreactors
The emerging interest in terrestrial and space microreactors has highlighted the need for innovative core design solutions. Selecting an adequate moderator is challenging for solid-core microreactors operating at high temperatures, where few weight-efficient options are…
Fundamental research · No laboratory or pilot wording.From OpenAlex · not yet reviewedDOIPDF
- Development of laser isotope separation (LIS) of
Investigating neutrinoless double beta decay experiment (0νββ) offers one of the most direct paths toward understanding the nature of neutrinos. The CANDLES investigated this phenomenon using 48Ca, which has the highest Q-value of 4.23 MeV among the double beta decay nuclides…
Fundamental research · No laboratory or pilot wording.From OpenAlex · not yet reviewedDOIPDF
- A process of microwave pyrolysis treatment of amidoxime functionalized fiber and enrichment of uranium for uranium extraction from seawater
Developing an efficient process suitable for the treatment of amidoxime-functionalized fibers after multi-cycles using and the enrichment of uranium is crucial for the closed-loop of uranium extraction from seawater. The enrichment process is divided into four major steps, which…
Southwest University of Science and TechnologyChina Academy of Engineering Physics
Fundamental research · No laboratory or pilot wording.From OpenAlex · not yet reviewedDOI
- Computational assessment of the feasibility of conversion of the impulse graphite reactor to high-assay low-enriched uranium fuel
A conceptual assessment of the conversion of the Impulse Graphite Reactor (IGR) from high-enriched uranium (HEU) fuel to high-assay low-enriched uranium (HALEU) fuel is presented. The proposed conversion concept is based on the expansion of the core and the application of…
National Nuclear Center of the Republic of Kazakhstan
Fundamental research · No laboratory or pilot wording.From OpenAlex · not yet reviewedDOIPDF
- Hydrogeochemical Characteristics and Formation Mechanisms of Uranium‐rich Groundwater in the Bayanwula Area, Inner Mongolia, China
ABSTRACT Sandstone‐hosted uranium (U) deposits are genetically linked to hydrogeochemical processes, with groundwater serving as the principal medium for uranium activation, migration, and immobilization. To elucidate the evolutionary characteristics and primary factors of…
China Metallurgical Geology BureauChina Geological SurveyChina University of Geosciences (Beijing)
Fundamental research · No laboratory or pilot wording.From OpenAlex · not yet reviewedDOI
- HALEU, Don’t Make It Bad: Discrete Event Simulation of High-Assay Low Enriched Uranium and Safeguards SCRIPT
Los Alamos National Laboratory
Fundamental research · No laboratory or pilot wording.From OpenAlex · not yet reviewedDOIPDF
- Preparation of Ag-Cu bimetallic nanoparticles loaded amidoxime-functionalized wool fibers for uranium adsorption
Uranium extraction from aqueous plays a crucial role in the sustainable development of nuclear energy. We hypothesized that integrating highly specific amidoxime chelating sites with the synergistic antibacterial properties of bimetallic nanoparticles on a sustainable biomass…
Sichuan UniversityKey Laboratory of Leather Chemistry and Engineering of Ministry of Education
Fundamental research · No laboratory or pilot wording.From OpenAlex · not yet reviewedDOI
- Design and obtain a revised nrc coc for a modified optimus-l transportation packaging system specifically designed for haleu oxides, metals, uf6, and finished fuel. allow for transportation of significant quantities of reprocessed haleu oxides, metals, 5b cylinders of uf6 and finished fuel. relatively economical for short and medium-term continuous use, possess favorable handling and product transfer characteristics, and integrate effectively into existing infrastructure making it practical for use by enrichers, fuel fabricators, and operators of smrs
Applied / lab · DOE mission-applied award.From US DOE, via USAspending · not yet reviewed
- Design, test, and obtain an nrc coc for a new haleu oxides, metals, and finished fuel transportation packaging system specifically designed for haleu fuel. possess favorable handling and product transfer characteristics, and integrate effectively into existing infrastructure making it practical for use by enrichers, fuel fabricators, and operators of smrs.
Applied / lab · DOE mission-applied award.From US DOE, via USAspending · not yet reviewed
- New financial assistance award for container technologies under de-foa-0002967. r&d for transporting haleu fuel.
CONTAINER TECHNOLOGIES INDUSTRIES, LLC
Applied / lab · DOE mission-applied award.From US DOE, via USAspending · not yet reviewed
- Data-driven optimization of pixelated CdZnTe spectrometers for uranium enrichment assay
In recent work [Vavrek et al. (2025)], we developed the performance optimization framework spectre-ml for gamma spectrometers with variable performance across many readout channels. The framework uses non-negative matrix factorization (NMF) and clustering to learn groups of…
Fundamental research · No laboratory or pilot wording.From arXiv · not yet reviewedDOIPDF
- Continuous unattended measurement of uranium enrichment using 3d cdznte
Applied / lab · DOE mission-applied award.From US DOE, via USAspending · not yet reviewed
- Neotectonic controls on large-scale uranium mineralization in the Meso-Cenozioc basins, Northern China
Anomalous uranium enrichment has been notably observed in the Mesozoic-Cenozoic terrestrial basins of Northern China, prompting a critical discussion of the driving force. Sandstone-hosted uranium deposits are very susceptible to tectonic uplift events due to their hydrological…
China Geological SurveyRussian Academy of SciencesInstitute of Geology of Ore Deposits Petrography Mineralogy and Geochemistry
Fundamental research · No laboratory or pilot wording.From OpenAlex · not yet reviewedDOI
- Multi-Resonant Laser Isotope Separation
A new method for efficient isotope separation is proposed. It is based on efficient photoionization of atoms by a continuous-wave laser using resonant-enhancement in an ultra-large volume optical cavity. This method should enable higher efficiency than the existing state of the…
Fundamental research · No laboratory or pilot wording.From arXiv · not yet reviewedPDF
- PREPARATORY PHASE FOR A EUROPEAN PRODUCTION CAPABILITY TO SECURE A SUPPLY OF HALEU FUEL
High-assay low-enriched uranium metal (HALEU) is a critical resource required for the operation of research reactors and the production of pharmaceutical radioisotopes. Its availability is essential for advancing nuclear energy safety, materials science, basic scientific…
Fundamental research · Research grant.From OpenAIRE (EU and national funders) · not yet reviewed
- On the practicalities of producing a nuclear weapon using high-assay low-enriched uranium
It was recently argued by Kemp et al. that HALEU (high-assay low-enriched uranium, or uranium enriched up to 19.75\%) can conceivably be used to produce a nuclear weapon and on this basis civilian enrichment limits should be lowered to 10% or 12%. We find their argument…
Fundamental research · No laboratory or pilot wording.From arXiv · not yet reviewedPDF
- Photo‐enhanced uranium recovery from spent fuel reprocessing wastewater via S‐scheme 2D/0D C3N5/Fe2O3 heterojunctions
Abstract Re‐extracting environmentally transportable hexavalent uranium from wastewater produced by spent fuel reprocessing using the photocatalytic technology is a crucial strategy to avoid uranium pollution and recover nuclear fuel strategic resources. Here, we have designed…
Southwest University of Science and TechnologyHarbin Institute of TechnologyHeilongjiang Institute of TechnologyKTH Royal Institute of Technology
Fundamental research · No laboratory or pilot wording.From OpenAlex · not yet reviewedDOI
- A review of nuclear electric fission space reactor technologies for achieving high-power output and operating with HALEU fuel
Considerable attention is currently directed towards space nuclear reactor systems with significantly higher power outputs, catering to applications like nuclear electric propulsion and fission surface power, in contrast to past historic designs, which were predominantly ≤0.1…
University of LiverpoolNational Nuclear LaboratoryUniversity of ManchesterUniversity of Wisconsin–Madison
Fundamental research · No laboratory or pilot wording.From OpenAlex · not yet reviewedDOI
- Progress and perspective in enrichment and separation of radionuclide uranium by biomass functional materials
Southwest University of Science and TechnologySoochow UniversityState Key Laboratory of Radiation Medicine and Protection
Fundamental research · No laboratory or pilot wording.From OpenAlex · not yet reviewedDOI
- Ligand‐Assistant Iced Photocatalytic Reduction to Synthesize Atomically Dispersed Cu Implanted Metal‐Organic Frameworks for Photo‐Enhanced Uranium Extraction from Seawater
Abstract Uranium extraction from natural seawater is one of the most promising routes to address the shortage of uranium resources. By combination of ligand complexation and photocatalytic reduction, porous framework‐based photocatalysts have been widely applied to uranium…
Hainan UniversityState Key Laboratory of Marine Resource Utilization in South China Sea
Fundamental research · No laboratory or pilot wording.From OpenAlex · not yet reviewedDOIPDF
- Enrichment of uranium in seawater by glycine cross-linked graphene oxide membrane
Chinese Academy of SciencesInstitute of Modern PhysicsUniversity of Chinese Academy of SciencesJi Hua LaboratoryHebei University
Fundamental research · No laboratory or pilot wording.From OpenAlex · not yet reviewedDOI
- Efficient extraction of U(VI) from uranium enrichment process wastewater by amine-aminophosphonate-modified polyacrylonitrile fibers
Southwest University of Science and TechnologyState Key Laboratory of Environmental-friendly Energy MaterialsMianyang Central Hospital
Fundamental research · No laboratory or pilot wording.From OpenAlex · not yet reviewedDOI
- Implications of HALEU fuel on the design of SMRs and micro-reactors
Virginia Commonwealth University
Fundamental research · No laboratory or pilot wording.From OpenAlex · not yet reviewedDOI
- Evolution of fission-ignited supernova properties with uranium enrichment
Type-Ia supernovae (SN Ia) are powerful stellar explosions that provide important distance indicators in cosmology. There is significant tension between values of the Hubble constant (expansion rate of the universe) determined from SN Ia and from other data. Recently, we proposed…
Fundamental research · No laboratory or pilot wording.From arXiv · not yet reviewedPDF
- Mineralogical and geochemical research on Pengyang deposit: A peculiar eolian sandstone-hosted uranium deposit in the southwest of Ordos Basin
The newly discovered Pengyang uranium prospect area in the southwest of the Ordos Basin is the world's first uranium deposit hosted in eolian sandstone, which overturned the conventional view of uranium mineralization in fluvial-delta sedimentary strata. Uranium ore body…
University of Science and Technology of ChinaChina Geological Survey
Fundamental research · No laboratory or pilot wording.From OpenAlex · not yet reviewedDOI
- Measuring Very Low Radiation Doses in PTFE for Nuclear Forensic Enrichment Reconstruction
Every country that has made nuclear weapons has used uranium enrichment. Despite the centrality of this technology to international security, there is still no reliable physical marker of past enrichment that can be used to perform forensic verification of historically produced…
Fundamental research · No laboratory or pilot wording.From arXiv · not yet reviewedPDF
- Nanoscale spatially resolved mapping of uranium enrichment in actinide-bearing materials
Spatially resolved analysis of uranium isotopes in small volumes of actinide-bearing materials is critical for a variety of technical disciplines, including earth and planetary sciences, environmental monitoring, bioremediation, and the nuclear fuel cycle. However, achieving…
Applied / lab · Says "we demonstrate".From arXiv · not yet reviewedDOIPDF
- Neutronic Study of UO2-BeO Fuel with Various Claddings
The neutronic properties of UO2-BeO fuel with various claddings are investigated through the Monte Carlo method and the Linear Reactivity Model. A second order polynomial function is suggested to describe the relationship between the difference of the reactivity at the End of…
Fundamental research · No laboratory or pilot wording.From arXiv · not yet reviewedDOIPDF