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mining of radioactive ore uranium phosphate

  • Uranium - Wikipedia

    Uranium - Wikipedia

    Uranium is a chemical element with the symbol U and atomic number 92. It is a silvery-grey metal in the actinide series of the periodic table.A uranium atom has 92 protons and 92 electrons, of which 6 are valence electrons.Uranium is weakly radioactive because all isotopes of uranium are unstable; the half-lives of its naturally occurring isotopes range between 159,200 years and 4.5 billion years.

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  • Imminent pond collapse at phosphate mine in ... - MINING

    Imminent pond collapse at phosphate mine in ... - MINING

    Apr 05, 2021 The pond at the abandoned phosphate mine sits in a stack of phosphogypsum, a radioactive waste product from fertilizer manufacturing. It contains small amounts of …

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  • 'Imminent' Collapse at Florida Phosphate Plant | Hacker News

    'Imminent' Collapse at Florida Phosphate Plant | Hacker News

    Because the ore phosphate is extracted from also contains uranium (and its decay products). Similarly, it contains a bunch of other nasty things, which at the sheer scale this stuff is produced and stored is a problem to handle.

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  • Mining industry and sustainable development: time for

    Mining industry and sustainable development: time for

    This mining and milling stage generates significant amounts of mining waste and radioactive waste tailings, where most of the radioactivity of uranium ore due to uranium radioactive daughters will remain. These uranium tailings create environmental impacts and long‐term issues that need careful consideration (IAEA, 2005, 2006; Carvalho 2011

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  • send 600 million gallons of acidic radioactive waste into

    send 600 million gallons of acidic radioactive waste into

    Because the ore phosphate is extracted from also contains uranium (and its decay products). Similarly, it contains a bunch of other nasty things, which at the sheer scale this stuff is produced and stored is a problem to handle.

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  • Uranium in 2021: A Guide to The Commodity's Price, Value

    Uranium in 2021: A Guide to The Commodity's Price, Value

    Mar 18, 2021 Typically milling allows recovery of 95 – 98% of the uranium residing in the rocks. Milling is the only effective method for extracting uranium from conventionally mined ores. Drawbacks of Underground Uranium Mining. However, the method also has its drawbacks. Underground mining is expensive and can cause serious damage to local aquifers.

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  • Nuclear fuel cycle - Wikipedia

    Nuclear fuel cycle - Wikipedia

    Uranium ore can be extracted through conventional mining in open pit and underground methods similar to those used for mining other metals. In-situ leach mining methods also are used to mine uranium in the United States.In this technology, uranium is leached from the in-place ore through an array of regularly spaced wells and is then recovered from the leach solution at a surface plant.

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  • 3 Technologies in Exploration, Mining, and Processing

    3 Technologies in Exploration, Mining, and Processing

    For example, selenium, arsenic, molybdenum, and radioactive daughter products of uranium are concerns in mining sandstone-type uranium deposits. Therefore, the committee also rates as a high priority development of lixiviants and microbiological agents that can selectively dissolve the desired elements and leave the undesired elements in the rock.

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  • Uranium processing | Britannica

    Uranium processing | Britannica

    Uranium processing, preparation of the ore for use in various products.. Uranium (U), although very dense (19.1 grams per cubic centimetre), is a relatively weak, nonrefractory metal. Indeed, the metallic properties of uranium appear to be intermediate between those of silver and other true metals and those of the nonmetallic elements, so that it is not valued for structural applications.

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  • TENORM: Fertilizer and Fertilizer Production Wastes

    TENORM: Fertilizer and Fertilizer Production Wastes

    Apr 07, 2021 Uranium in phosphate ores found in the U.S. ranges in concentration from 0.26 - 3.7 Bq/g (7 - 100 pCi/g). During the wet process, radionuclides present in the phosphate ore are selectively separated and concentrated. Around 80 percent of the radium …

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  • Rare earth elements: A review of applications, occurrence

    Rare earth elements: A review of applications, occurrence

    Jul 01, 2019 Some of the REE minerals contain significant amounts of radioactive elements such as uranium and thorium, which can contaminate air, water, soil and groundwater. These problems are due to insufficient environmental regulations and controls in the mining and processing areas. One of the most significant problems is the radioactivity of some ores.

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  • Two-Step Solvent Extraction of Radioactive Elements and

    Two-Step Solvent Extraction of Radioactive Elements and

    Estonian phosphorite ore contains trace amounts of rare earth elements (REEs), many other d-metals, and some radioactive elements. Rare earth elements, Mo, V, etc. might be economically exploitable, while some radioactive and toxic elements should be removed before any other downstream processing for environmental and nutritional safety reasons. All untreated hazardous elements remain in ...

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  • Phosphate - Wikipedia

    Phosphate - Wikipedia

    Some phosphate rock deposits, such as Mulberry in Florida, are notable for their inclusion of significant quantities of radioactive uranium isotopes. This syndrome is noteworthy because radioactivity can be released into surface waters [14] in the process of application of the resultant phosphate fertilizer (e.g. in many tobacco farming ...

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  • What to know about phosphate mining in Florida

    What to know about phosphate mining in Florida

    Extracting the ore requires an acid-wash bath to break up the phosphate rocks, which are tied together with other elements including radium and uranium. Most of the naturally occurring radioactive ...

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  • Radioactive waste - Wikipedia

    Radioactive waste - Wikipedia

    Radioactive waste is a type of hazardous waste that contains radioactive material.Radioactive waste is a result of many activities, including nuclear medicine, nuclear research, nuclear power generation, rare-earth mining, and nuclear weapons reprocessing. The storage and disposal of radioactive waste is regulated by government agencies in order to protect human health and the environment.

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  • uranium | Definition, Properties, Uses, & Facts | Britannica

    uranium | Definition, Properties, Uses, & Facts | Britannica

    Uranium, radioactive chemical element of the actinoid series of the periodic table, atomic number 92. It is an important nuclear fuel. It is a dense, hard metallic element that is silvery white in color. It is ductile, malleable, and capable of taking a high polish. Learn more about uranium in this article.

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  • Coal Ash Is More Radioactive Than Nuclear Waste

    Coal Ash Is More Radioactive Than Nuclear Waste

    Dec 13, 2007 Then there's the local superhero, Radioactive Man, who fires beams of nuclear heat from his eyes. ... such as mining accidents, ... for example, there is more uranium in phosphate rock.

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