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  • Microbial Leaching of Uranium Ore IntechOpen

    Microbial Leaching of Uranium Ore 293 waste materials. The waste materials (low grad e black Schist) consisted of 0.05% of uranium and 0.5 to 7% of carbonate. Sampling showed the microorganisms aerobic and anaerobic were present till 1.5 to 2 meter of surface depth and more than 99% of Thiobacillus ferrooxidans were present within this depth.

  • microrobial mining of uranium greenrevolution.org

    Prokaryotic microorganisms in uranium mining waste piles and their5.10 Мб. Canadian Journal of Microbiology 46, 1012-1020. Kalinowski BE, Oskarsson A, Albinsson Y, Arlinger J, Ödegaard-Jensen A, Andlid T, Pedersen K (2004) Microbial leaching of uranium and other trace elements from shale mine tailings at Ranstad.

  • Uranium Biomineralization as a Result of Bacterial

    Uranium contamination is an environmental concern at the Department of Energy's Field Research Center in Oak Ridge, Tennessee. In this study, we investigated whether phosphate biomineralization, or the aerobic precipitation of U(VI)-phosphate phases facilitated by the enzymatic activities of microorganisms, offers an alternative to the more extensively studied anaerobic U(VI) bioreduction

  • (PDF) Microbial Diversity in Uranium Mining-Impacted Soils

    Microbial Diversity in Uranium Mining-Impacted Soils 97 Efforts to amplify additional bacterial PCR products from Table 1 X-ray fluorescence spectroscopic analysis of major and trace elements of soil samples collected from the Edgemont and North Cave Edgemont soil were unsuccessful despite variation of Hills mine sites several parameters (e.g

  • Uranium bioremediation using microbial for mitigating its

    Many species of bacteria possess the ability to bring about this reduction, including sulfate reducing and Fe (III) reducing bacteria (6). Bacteria belonging to the genus Geobacter, Desulfosporosinus, Closteridium have also been found to remove toxic uranium from water sources (7,8). The table below provides information on some of the microbial

  • Uranium Bioremediation in Contaminated Groundwater

    Oct 02, 2015· Bacterial Community Succession During in situ Uranium Bioremediation: Spatial Similarities Along Controlled Flow Paths. Journal Name: ISME Journal. doi: 10.1038/ismej.2008.123. [3] Francis, A.J. (1998). Bioremediation of Uranium Contaminated Soils and Wastes. In Uranium Mining and Hydrogeology II, Freiberg (DE), 09/15/1998--09/17/1998.

  • Uranium mining by country Wikipedia

    Namibia produces uranium from three of the world's largest open pit uranium mines.The China National Nuclear Corporation-owned Rössing mine produced 2,478 tonnes (5,463,000 lb) of U 3 O 8 in 2018. The China General Nuclear Power Group-owned Husab Mine produced 3,571 tonnes (7,873,000 lb) of U 3 O 8 in 2018.. The Langer Heinrich calcrete uranium deposit was discovered in 1973 and an open pit

  • Uranium sequestration abilities of Bacillus bacterium

    Jan 06, 2021· The present study elaborates uranium sequestration by bacteria from alkaline wastewaters. In the investigation, a few bacterial strains were isolated from alkaline uranium mine water and were tested for uranium sequestration properties.16 S rRNA analysis assigned the 10 bacterial isolates to 4 genera of Actinobacteria and Firmicutes.

  • 4 Uranium Mining, Processing, and Reclamation Uranium

    URANIUM MINING METHODS. Based on the current understanding of uranium deposits in the Commonwealth of Virginia, extraction of uranium ore would use open-pit mining, or underground mining, or a combination of both ().These general terms incorporate a large variety of design possibilities—there are as many methods of mining uranium as there are orebody sizes, shapes,

  • The removal of uranium from mining waste water using algal

    Jan 01, 2005· 3. Stage 1: uranium sequestration 3.1. Adsorption. The observation that algae and aquatic macrophytes have a strong affinity for U (Scheminzky, 1959, Justyn and Stanek, 1974) led to the recognition that they could provide a means of removing U from waste water.Heide et al. (1973) suggested that unicellular green algae in continuous culture could remove 95% of the dissolved U

  • Uranium Biomineralization as a Result of Bacterial

    Uranium contamination is an environmental concern at the Department of Energy's Field Research Center in Oak Ridge, Tennessee. In this study, we investigated whether phosphate biomineralization, or the aerobic precipitation of U(VI)-phosphate phases facilitated by the enzymatic activities of microorganisms, offers an alternative to the more extensively studied anaerobic U(VI) bioreduction

  • microrobial mining of uranium greenrevolution.org

    Prokaryotic microorganisms in uranium mining waste piles and their5.10 Мб. Canadian Journal of Microbiology 46, 1012-1020. Kalinowski BE, Oskarsson A, Albinsson Y, Arlinger J, Ödegaard-Jensen A, Andlid T, Pedersen K (2004) Microbial leaching of uranium and other trace elements from shale mine tailings at Ranstad.

  • (PDF) Microbial Diversity in Uranium Mining-Impacted Soils

    Microbial Diversity in Uranium Mining-Impacted Soils 97 Efforts to amplify additional bacterial PCR products from Table 1 X-ray fluorescence spectroscopic analysis of major and trace elements of soil samples collected from the Edgemont and North Cave Edgemont soil were unsuccessful despite variation of Hills mine sites several parameters (e.g

  • Uranium bioremediation using microbial for mitigating its

    Many species of bacteria possess the ability to bring about this reduction, including sulfate reducing and Fe (III) reducing bacteria (6). Bacteria belonging to the genus Geobacter, Desulfosporosinus, Closteridium have also been found to remove toxic uranium from water sources (7,8). The table below provides information on some of the microbial

  • Uranium Bioremediation in Contaminated Groundwater

    Oct 02, 2015· Bacterial Community Succession During in situ Uranium Bioremediation: Spatial Similarities Along Controlled Flow Paths. Journal Name: ISME Journal. doi: 10.1038/ismej.2008.123. [3] Francis, A.J. (1998). Bioremediation of Uranium Contaminated Soils and Wastes. In Uranium Mining and Hydrogeology II, Freiberg (DE), 09/15/1998--09/17/1998.

  • (PDF) Microbial Extraction of Uranium from Ores

    The presence of microorganisms in leaching operations has been found to be beneficial in catalysing the uranium dissolution process (Brierley, 1997; Brierley and Brierley, 1999).

  • Microbial transformations of uranium in wastes and

    Microbial transformations of uranium in wastes and implication on its mobility Arokiasamy J. Francis Environmental Sciences Department, Brookhaven National Laboratory, Upton, New York 11973 USA Abstract. Uranium exists in several chemical forms in mining and mill tailings and in nuclear and weapons production wastes. Under appropriate conditions,

  • (PDF) Effect of Microorganisms on In Situ Uranium Mining

    The extraction of some metal values, e.g., uranium or copper, may be accomplished by using solutions to remove metals from ore bodies without practicing conventional mining.

  • The Impact of Uranium Mine Contamination of Soils on Plant

    May 14, 2014· As part of a tier 3 risk assessment performed for a uranium mining area, the ability of soils with different degrees of metal contamination to degrade organic matter was assessed using litter bags filled with leaves of Quercus robur, Pinus pinaster, Salix atrocinerea, or a mixture of the three species. Litter bags were exposed at different sites within the mine area and at a reference area for

  • The removal of uranium from mining waste water using algal

    Jan 01, 2005· 3. Stage 1: uranium sequestration 3.1. Adsorption. The observation that algae and aquatic macrophytes have a strong affinity for U (Scheminzky, 1959, Justyn and Stanek, 1974) led to the recognition that they could provide a means of removing U from waste water.Heide et al. (1973) suggested that unicellular green algae in continuous culture could remove 95% of the dissolved U