Literatura científica selecionada sobre o tema "U mine tailings"
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Artigos de revistas sobre o assunto "U mine tailings"
Troyer, Lyndsay D., James J. Stone e Thomas Borch. "Effect of biogeochemical redox processes on the fate and transport of As and U at an abandoned uranium mine site: an X-ray absorption spectroscopy study". Environmental Chemistry 11, n.º 1 (2014): 18. http://dx.doi.org/10.1071/en13129.
Texto completo da fonteReynier, Nicolas, Roselyne Gagné-Turcotte, Lucie Coudert, Sophie Costis, Rory Cameron e Jean-Francois Blais. "Bioleaching of Uranium Tailings as Secondary Sources for Rare Earth Elements Production". Minerals 11, n.º 3 (16 de março de 2021): 302. http://dx.doi.org/10.3390/min11030302.
Texto completo da fonteUzarowicz, Łukasz, e Alina Maciejewska. "Ocena Właściwości Technogenicznych Utworów Glebowych Technosols Zawierających Siarczki Żelaza / Assessment of Properties of Technogenic Soils Technosols Containing Iron Sulfides". Soil Science Annual 63, n.º 3 (1 de dezembro de 2012): 37–42. http://dx.doi.org/10.2478/v10239-012-0031-2.
Texto completo da fonteBesançon, Clémence, Camille Chautard, Catherine Beaucaire, Sébastien Savoye, Paul Sardini, Martine Gérard e Michael Descostes. "The Role of Barite in the Post-Mining Stabilization of Radium-226: A Modeling Contribution for Sequential Extractions". Minerals 10, n.º 6 (29 de maio de 2020): 497. http://dx.doi.org/10.3390/min10060497.
Texto completo da fonteWillett, IR, BN Noller e TA Beech. "Mobility of radium and heavy metals from uranium mine tailings in acid sulfate soils". Soil Research 32, n.º 2 (1994): 335. http://dx.doi.org/10.1071/sr9940335.
Texto completo da fonteMarković, Marija, Biljana Nikolić, Tatjana Jakšić, Ljubinko Rakonjac, Mirjana Smiljić, Olivera Papović e Vesna Stankov-Jovanović. "Activity of enzyme catalase in plants from metal tailings of lead-zinc mine "Trepča"". Sustainable Forestry: Collection, n.º 85-86 (2022): 13–24. http://dx.doi.org/10.5937/sustfor2285013m.
Texto completo da fonteDhal, Paltu Kumar, e Pinaki Sar. "Microbial communities in uranium mine tailings and mine water sediment from Jaduguda U mine, India: A culture independent analysis". Journal of Environmental Science and Health, Part A 49, n.º 6 (12 de fevereiro de 2014): 694–709. http://dx.doi.org/10.1080/10934529.2014.865458.
Texto completo da fonteKotlyar, L. S., B. D. Sparks, Y. LePage e J. R. Woods. "Effect of particle size on the flocculation behaviour of ultra-fine clays in salt solutions". Clay Minerals 33, n.º 1 (março de 1998): 103–7. http://dx.doi.org/10.1180/000985598545309.
Texto completo da fonteBamidele, L., e A. O. Edun. "Determination of Activity Concentration and Radiological Risks from Gold Mine Tailings around Ilahun-Ijesa in Obokun Local Government, Osun State, Nigeria". Journal of Applied Sciences and Environmental Management 28, n.º 4 (29 de abril de 2024): 993–97. http://dx.doi.org/10.4314/jasem.v28i4.3.
Texto completo da fonteEremin, Oleg, Olga Rusal, Maria Solodukhina, Ekaterina Epova e Georgy Yurgenson. "Thermodynamic equilibria of tailings dump pond water of Sherlovaya Gora tin-polymetallic deposit (Transbaikalia)". E3S Web of Conferences 98 (2019): 01014. http://dx.doi.org/10.1051/e3sconf/20199801014.
Texto completo da fonteTeses / dissertações sobre o assunto "U mine tailings"
Besançon, Clémence. "Étude de la mobilité du radium-226 en milieu naturel anthropisé par approches expérimentales et modélisation géochimique". Electronic Thesis or Diss., Sorbonne université, 2022. http://www.theses.fr/2022SORUS048.
Texto completo da fonte226Ra, a radioactive decay product of 238U and the most prevalent naturally occurring isotope of radium leads to many environmental issues in various industries due to its half-life of 1600 years: hydrothermal energy, seawater desalination and zircon production among others. The most impacted industries are the extractive ones: shale oil and gas production, coal, phosphate and uranium extraction. 226Ra remains in tailings from U mines and its mobility is controlled by retention mechanisms: sorption on mineral surfaces (iron oxy-hydroxydes, phyllosilicates, zeolites) and organic matter, or by the formation of solid solutions (sulfate minerals such as barite and carbonate minerals). The average concentration in lithospheric rocks being 32Bq / kg, or 1ppt, the identification of the retention mechanisms of this radionuclide at the scale of the material sampled in the field is made difficult because it is an ultra-trace element. Sequential extractions are commonly used to assess the retention of trace elements, but this technique is subject to experimental and analytical artefacts which are exacerbated in the case of an ultra-trace element. In this work, geochemical modeling of sequential extractions experiments has indeed shown that this technique leads to biased interpretations, particularly in the case of 226Ra which is remobilized during the different extraction steps. In order to have a better understanding of the retention of 226Ra and its distribution in heterogeneous and fine-grained materials, including mine tailings, a new approach has been developed. This approach combines alpha autoradiography, chemical elemental cartographies and mineralogical characterizations obtained on petrographic thin sections. A direct global analysis of the activity of the sample at the petrographic thin section scale is thus possible. This method was first qualified on model samples containing a single synthetic or natural mineral playing an important role in the retention of 226Ra in the natural environment. It was then tested on an assemblage of three of the main minerals responsible for the retention, namely: barite, clay minerals and iron oxy-hydroxydes. Finally, it was applied to U-mine tailings. A first set of samples comes from the French post-mining storage sites of Bellezane, where the tailings are stored under a solid cover, and from Bois Noirs Limouzat, which uses a liquid cover. A second set of tailings sample comes from the on-going ore processing facility of McClean Lake, Canada, which uses a tailings neutralization process by barite precipitation. The results show that barite is the main trap of 226Ra via the formation of a solid solution (Ba, Ra)SO4 in all these tailings from different sites. Over a few years, with or without neutralization by barite precipitation, it appears that this solid solution tends towards a recrystallization equilibrium which controls the concentration of 226Ra in solution. These results will subsequently be integrated into reactive transport type modeling to predict the long-term behavior of these tailings
Trabalhos de conferências sobre o assunto "U mine tailings"
Alsecz, A., J. Osa´n, J. Pa´lfalvi, I. Sajo´, Z. Ma´the´, R. Simon, Sz To¨ro¨k e G. Falkenberg. "Study of the Oxidation State of Arsenic and Uranium in Individual Particles From Uranium Mine Tailings, Hungary". In The 11th International Conference on Environmental Remediation and Radioactive Waste Management. ASMEDC, 2007. http://dx.doi.org/10.1115/icem2007-7354.
Texto completo da fonteDave´, Nand K. "Mobility of Ra-226 and Heavy Metals (U, Th and Pb) From Pyritic Uranium Mine Tailings Under Sub-Aqueous Disposal Conditions". In ASME 2011 14th International Conference on Environmental Remediation and Radioactive Waste Management. ASMEDC, 2011. http://dx.doi.org/10.1115/icem2011-59283.
Texto completo da fonteBrankovic, Snezana, Radmila Glisic, Duško Brkovic, Gorica Đelic, Zoran Simic, Vera Rajicic, Ranko Saric e Milun Jovanovic. "SADRŽAJ METALA U ZEMLJIŠTU I ODABRANIM BILJKAMA NA JALOVIŠTU FLOTACIJE RUDNIK DOO „RUDNIK"". In XXVI savetovanje o biotehnologiji sa međunarodnim učešćem. University of Kragujevac, Faculty of Agronomy, 2021. http://dx.doi.org/10.46793/sbt26.501b.
Texto completo da fontePiestrzyński, Adam, Jadwiga Pieczonka e Edward Chruściel. "Model for Long-Term Stabilization and Isolation of Low Level Uranium Waste". In ASME 2001 8th International Conference on Radioactive Waste Management and Environmental Remediation. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/icem2001-1261.
Texto completo da fonteJakubick, Alexander T., e Manfred Hagen. "Environmental Risk and Costs/Benefits of the WISMUT Remediation". In ASME 2003 9th International Conference on Radioactive Waste Management and Environmental Remediation. ASMEDC, 2003. http://dx.doi.org/10.1115/icem2003-4982.
Texto completo da fonteVandenhove, Hildegarde, Jean Jacques Clerc, Holger Quarch, Abdilamit Aitkulov, Maxim Savosin, Isakbek Torgoev e Muradil Mirzachev. "Mailuu-Suu Tailings Problems and Options for Remediation". In ASME 2003 9th International Conference on Radioactive Waste Management and Environmental Remediation. ASMEDC, 2003. http://dx.doi.org/10.1115/icem2003-4535.
Texto completo da fonteRelatórios de organizações sobre o assunto "U mine tailings"
Desbarats, A. J., e J. B. Percival. Hydrogeochemistry of mine tailings from a carbonatite-hosted Nb-REE deposit, Oka, Quebec, Canada. Natural Resources Canada/CMSS/Information Management, 2023. http://dx.doi.org/10.4095/331256.
Texto completo da fonte