Since the 21st century, the closure of domestic uranium mines in Europe has made it one of the world's leading importers of uranium. In recent years, a series of policy adjustments have led to an improving situation for enriched uranium supply, yet the challenge of natural uranium supply remains...

The release of uranium from uranium tailings into the aqueous environment is a complex process controlled by a series of interacting geochemical reactions. In this paper, uranium tailings from a uranium tailings pond in southern China were collected at different depths by means of borehole...

We examine a recent innovation in the highly volatile and illiquid uranium market, The Global X Uranium Exchange-Traded Fund (URA), and its impact on the trading characteristics of constituent and non-constituent stocks. Over a three-month period, following the introduction of URA, we find...

Although plutonium has been studied by different disciplines (such as technology and innovation studies, political sciences) since its discovery, back in 1940 at the University of California (Berkeley), the resource and environmental economic literature is still relatively scarce; neither does the...

The concentrations of uranium and nine elements (As, Cd, Cr, Cu, Fe, Mn, Ni, Pb, Zn) in snow and rainwater samples were determined. Samples were collected in Thessaloniki-northern Greece in three sites, one in the industrial area close to an oil production power plant and two in the centre of...

This paper establishes the feasibility of Low-Enriched Uranium fueled Nuclear Thermal Propulsion (LEU-NTP) reactors in the low-thrust region below 16klbf (71kN). A reference, 7.5klbf, HEU design is converted to 19.75% enriched LEU and shown to be capable of reaching criticality and meeting other...

Although recent studies have detected elevated concentrations of arsenic and uranium in inland, alkaline, saline lakes, the chemical reactions associated with these enrichments are poorly understood. In this study, we used a five-year study of water chemistry, characterization of arsenic and...

Incorporating uranium into magnetite crystal from wastewater to limit its mobility have been proposed to the long-term remediation of radioactive contamination. Unfortunately, this process is accompanied by reduction or surface adsorption, which significantly reduces the incorporation capacity...

Mining and smelting of vanadium uranium ore results in the release and coexistence of vanadium and uranium in the environment, raising severe risks. The feasibility of synchronous removal of pentavalent vanadium (V(V)) and hexavalent uranium (U(VI)) was investigated in mixotrophic column reactor...

Uranium extraction from seawater has attracted increasing attentions for nuclear raw material to support the sustainable development of nuclear power plants. However, it is still a grand challenge to overcome the high salinity background and ultra-low uranyl concentration. Herein, we...

Kayelekera uranium mine is the biggest mining project in Malawi’s history and began production in 2009. In 2013, revenues from the mine contributed 2.6% to Gross Domestic Product. Yet production at Kayelekera was suspended as a result of the crash in uranium prices following the Fukushima...

Novel methodologies for classifying scientific articles related to the nuclear fuel cycle have been developed using machine learning to discover declarable activities under the additional protocol of the International Atomic Energy Agency. In this study, the relationships between articles and...

Thi spaper is concerned with the risk-allocation effects of alternative types of contracts used to set the price of a good tobe delivered in the future. Under a fixed price contract, the price is specified in advance. Under a spot price contract, the price is the price prevailing in the spot...

Uranyl, a strong Lewis acid, forms stable complexes with relatively hard donors and it is commonly believed that uranyl complex with trialkylamine is stabler than trialkylphosphine. However, there are no thermodynamic parameters to evaluate the complexation stabilities of R 3 N-UO 2 2+ and R 3...

With the increase of portal size and cavity, cucurbit[n]urils {Q[n]s, n = 5-8} tend to have richer host-guest chemistry and less affinity for metal complexation. As such no any tetravalent actinide complex of Q[8] has ever been reported. In this work, we studied thorium(IV) and uranium(IV)...

The NUSIMEP (Nuclear Signatures Inter-laboratory Measurement Evaluation Programme) is an external quality control programme organised by the European Commission - Joint Research Centre, Directorate G - Nuclear Safety and Security, Unit G.2 for Standards for Nuclear Safety, Security and...

Following the accident at the Fukushima Daiichi Nuclear Power Plant, many countries began funding research and development on nuclear fuel designs with enhanced accident tolerance (ATFs). ATFs have improved designs, materials and performance features compared with those of the current generation...

The transformative activity of mining has numerous economic, social and environmental impacts that can be both positive and adverse for communities, ecosystems and economies. As the uranium industry begins to address negative perceptions and legacies associated with past activities,...

This volume is the fourteenth of the series “Chemical Thermodynamics” published by the OECD Nuclear Energy Agency. It is the second update of the critical reviews published, successively, in 1992 as Chemical Thermodynamics of Uranium, in 1995 as Chemical Thermodynamics of Americium, in 1999...

Radioactive waste inventory data are an essential element in the development of a national radioactive waste management programme since these data affect the design and selection of the ultimate disposal methods. Inventory data are generally presented as an amount of radioactive waste under...

A large and growing market exists for the management of used nuclear fuel. Urgent need for service lies in Asia, also the region of the fastest growth in fossil fuel consumption. A logical potential provider of this service is acknowledged to be Australia. We describe and assess a service...

The increase of the use of atomic power in some emerging economies, in particular South Korea and China, has revitalized a discussion regarding the availability of uranium resources. Despite the fact that global uranium resources are more than sufficient to supply reactor-related demand for the...

This articlemodels the dependence risk and resource allocation characteristics of two 20-stock coal–uranium and oil–gas sector portfolios fromthe Australian market in the context of the global financial crisis of 2008–2009. The modeling framework implemented consists of pair vine copulas...

One of the important features in uranium contracts is that the quantity flexibility option is included in long-term contracts, so that buyer has the flexibility to increase or decrease the quantity purchase and adjust the delivery month depending on the market conditions. While it is important...

This paper uses the Logistic Curve and the STELLA model to simulate the Hubbert Peak uranium production in China. We used three scenarios to estimate China's Peak uranium. And the results are quite robust. According to Scenario 3, the Hubbert Peak uranium production is expected to be reached in...

As addressing climate change becomes a high priority it seems likely that there will be a surge in interest in deploying nuclear power. Other fuel bases are too dirty (coal), too expensive (oil, natural gas) or too speculative (solar, wind) to completely supply the energy needs of the global...

Why have some seemingly promising futures contracts not succeeded in the recent past? In this paper, we will examine one such example, the uranium futures market. In two companion working papers, we will also analyze two other futures market failures: namely, in the pulp market and in the...

A collection of medium resolution gamma-ray spectra from well-characterized Pu certified reference materials has been recorded using LaBr3(Ce) (2.0" x 0.5") and CZT (500 mm3) detectors. Aiming to acquire the highest quality reference data, the spectra were measured for long acquisition times,...

A collection of medium resolution gamma-ray spectra from well-characterized U certified reference materials has been recorded using LaBr3(Ce) (2.0" x 0.5") and CZT (500 mm3) detectors. Aiming to acquire the highest quality reference data, the spectra were measured for long acquisition times,...

The REIMEP-22 inter-laboratory comparison (ILC) "U Age Dating - Determination of the production date of a uranium certified test sample" was organised by JRC-IRMM as support to the Nuclear Forensics International Technical Working Group (ITWG) This ILC was organised prior to the release of the...

This synthesis was prepared by France Bourgouin with the research support of Roberta Pinamonti, Charlotte Bancilhon, Asako Nagai, and Julia Panzer. It was developed as part of the Danish Institute for International Studies (DIIS) research project Governing Uranium. Since, 2013, DIIS has been...

India currently has 21 nuclear power reactors in operation, generating around three percent of the country’s total electricity. To meet the increasing demands of a rising economy, India is expanding its nuclear energy grid from today's 5780 MW of energy to generate 20,000MWe by 2020. While the...

Pakistan has three operating nuclear power plants and two under construction with another two planned. Although not a global player in the uranium market with small production figures (around 40 tonnes of uranium per year), Pakistan is revitalising its uranium exploration efforts and plans to...

The Governing Uranium project is a global research effort studying the implications of a changing uranium market, specifically the production, processing and transport of uranium ore concentrates (UOC), commonly referred to as "yellowcake". In total, 15 uranium producing and consuming countries...

Australia has been a long-time key player in the global uranium market. Its uranium policy and regulatory structure has been surprisingly resilient since 1977 - a system that has endowed it with an international reputation for having created a uranium "gold" standard with non-proliferation at...

When the 2009 Act granting Greenland self-government was passed, giving the territory full authority over its natural resources, a complex and mixed legal system was introduced within the "Commonwealth of the Realm", which includes Denmark, Greenland and the Faroe Islands. This system has been...

Canada has been a long-time key producer and global supplier of uranium. It has produced more uranium than any other country, close to 500,000 tU since 1942. It also hosts the worldś largest operating mine (in terms of annual production), mill and refinery and is home to the worldś largest...

As addressing climate change becomes a high priority it seems likely that there will be a surge in interest in deploying nuclear power. Other fuel bases are too dirty (coal), too expensive (oil, natural gas) or too speculative (solar, wind) to completely supply the energy needs of the global...

Uranium mining operations have high impacts on environment and society, and can lead to deterioration of health of workers and communities. Uranium mining activities are increasing in Africa, where mining is not always strictly regulated and controlled. Mitigation of negative impacts from...

For evaluating the commodity market there are many different indicators. Many investors use the current level to buy gold and silver. After all, the two key note precious metals at the lowest level since 2010 - at least in dollar terms. The international bullion dealers have looked forward to...