Last edited by Samurr
Monday, May 11, 2020 | History

1 edition of Principles of uranium mill tailings isolation and containment. found in the catalog.

Principles of uranium mill tailings isolation and containment.

Principles of uranium mill tailings isolation and containment.

  • 367 Want to read
  • 31 Currently reading

Published by Uranium Institute in London .
Written in English

    Subjects:
  • Uranium mines and mining -- Waste disposal,
  • Uranium mines and mining -- Safety measures,
  • Radioactive waste disposal

  • Edition Notes

    ContributionsUranium Institute.
    Classifications
    LC ClassificationsTD899.U73 P75 1984
    The Physical Object
    Pagination35 p.
    Number of Pages35
    ID Numbers
    Open LibraryOL14679834M
    ISBN 100946777055

    Uranium mine and mill tailings are a specific type of radioactive waste generated during the mining and milling of uranium ore and the production of uranium concentrate. In addition to tailings, mining activities typically result in the production of large quantities of waste rock as workings are excavated to access the ore body. of ore processed at the mill is deposited in the tailings pond. With current mill capacities rang­ ing up to 7, metric tons of ore per day (Reed and others, ), the magnitude of the tailings thus generated is apparent. At pres-ent, there are in excess of million metric tons of uranium mill tailings Cited by:

    @article{osti_, title = {Benefit-cost aspects of long-term isolation of uranium mill tailings}, author = {Van Dyke, J.}, abstractNote = {The Uranium Mill Tailings Radiation Control Act of provides for regulations for control of radon diffusion from uranium mill tailings to protect the public welfare. In developing these regulations, the Office of Nuclear Material Safety and. For example, EPA's analysis of a uranium mill tailings standard estimated that the present costs would be $ million and that the standard would save lives per year perpetually. If lives were discounted at 10 percent, the present value would be $8 million per life Cited by:

    Uranium mining is the process of extraction of uranium ore from the ground. The worldwide production of uranium in amounted to 60, tonnes. Kazakhstan, Canada, and Australia are the top three producers and together account for 70% of world uranium production. Other important uranium producing countries in excess of 1, tons per year are Niger, Russia, Namibia, Uzbekistan, China, . Water covers for uranium mill tailings dams are also used by Cogéma at Mounana (Gabon) and at St-Priest-la-Prugne (Loire, France). Reclamation of uranium mill tailings deposits To reclaim an uranium mill tailings pile according to principles of a safe long-term isolation, detailed investigations have to be performed in advance to assess the site.


Share this book
You might also like
Small Business Sourcebook

Small Business Sourcebook

South Dakota Education in Perspective 2005-2006 (South Dakota Education in Perspective)

South Dakota Education in Perspective 2005-2006 (South Dakota Education in Perspective)

Horse management

Horse management

Famous political trials

Famous political trials

Vegetation and flora of the Sonoran Desert

Vegetation and flora of the Sonoran Desert

Moccasin Ranch

Moccasin Ranch

The thoughts of an honest Tory, upon the present proceedings of that party.

The thoughts of an honest Tory, upon the present proceedings of that party.

Health and social inequality in Northern Ireland

Health and social inequality in Northern Ireland

The kitchen warriors

The kitchen warriors

Photo story

Photo story

sermon preachd at the Cathedral of Gloucester before the Mayor and aldermen, October the 4th, 1703

sermon preachd at the Cathedral of Gloucester before the Mayor and aldermen, October the 4th, 1703

Distribution and exhibition of cinematograph films

Distribution and exhibition of cinematograph films

Principles of uranium mill tailings isolation and containment Download PDF EPUB FB2

Because of the availability and many possible uses of the sandy uranium mill tailings as a building material, the dispersal and misuse was widespread.

Some examples of uranium mill tailings use were: soil attenuation, concrete mix, bedding for concrete and utilities, stucco, and brick Size: KB. Introduction. The use of radioactive material, specifically uranium, for the source of nuclear weapons and power spurred the movement toward exploration and mining of uranium ore in the United States.

The uranium mill tailings, the waste by-product created during uranium extraction from the ore, posed concern because of the radioactive nature of the tailings and the additional chemicals.

Uranium Mill Tailings. Uranium mill tailings are primarily the sandy process waste material from a conventional uranium mill.

This ore residue contains the radioactive decay products from the uranium chains (mainly the U chain) and heavy metals.

As defined in Ti P of the Code of Federal Regulations (10 CFR Part 40), the tailings or wastes produced by the extraction or concentration of uranium. INTERNATIONAL ATOMIC ENERGY AGENCY, Current Practices for the Management and Confinement of Uranium Mill Tailings, Technical Reports Series No.

IAEA, Vienna (). The present report provides an updated and comprehensive overview of the subject and supersedes Technical Reports Series No.

INTERNATIONAL ATOMIC ENERGY AGENCY, Current Practices and Options for Confinement of Uranium Mill Tailings, Technical Reports Series No.

IAEA, Vienna (). Download to: EdNote BibTeX *use BibTeX for Zotero. Topics: 13L - Safety engineering, 07E - Nuclear chemistry, radiochemistry, An introduction to uranium mill tailings isolation and containment [ Uranium mill safety]Author: London (United Kingdom) Uranium Inst.

Examples of areas containing uranium mill tailings left in place through the application of supplemental standards include railroad tracks, city streets and curb/gutter, steep. managing uranium mill tailings remaining in western Colorado communities.

This authority was created to fill a void left when the U.S. Department of Energy’s (DOE’s) authority to remediate surface tailings deposits at 9 abandoned uranium mills under the Uranium Mill Tailings Radiation Control Act (UMTRCA) expired on Septem File Size: 1MB.

Worldwide, the mining of uranium has generated × m3 of mill tailings. The radioactivity of these tailings depends on the grade of ore mined and varies from less than 1 Bq/g to more than Author: Abdesselam Abdelouas.

Uranium Mill Tailings: Geochemistry, Mineralogy, and Environmental Impact W orldwide, the mining of uranium has generated × m3 of mill tailings. The radioactivity of these tailings.

The aim of the CRP on the long term stabilization of uranium mill tailings was to contribute to the development of conceptual, technical, and management solutions that: render tailings more inert over prolonged time-spans; render impounded materials and engineered structures stable.

Remediation of uranium production facilities encompasses activities to restore areas including mines, mills, waste management facilities, tailings containment, and land and water resources.

At the outset of a remediation programme, the final land use for the site is agreed with the stakeholders. Tailings Facilities After uranium is mined and milled, the tailings—the crushed-up rock which formerly contained uranium—is typically disposed of at the mining and milling site.

In the United States, the Nuclear Regulatory Commission (NRC), the federal agency regulating all aspects of the nuclear fuel cycle except uranium mining, regulates all aspects of tailings management and disposal. [ ]. Chapter: 11 Uranium Recovery and Remediation of Uranium Mill Tailings: Russian and U.S.

Experience--James H. Clarke and Frank L. Parker Unfortunately, this book can't be printed from the OpenBook. If you need to print pages from this book, we recommend downloading it as a PDF. Visit to. Mill tailings are the fine-grained, sandy waste byproduct material that remains after the milling process has extracted and concentrated the uranium from the ore.

Mill tailings are typically created in slurry form during processing, and are then deposited in an impoundment or "mill tailings pile," which must be carefully regulated, monitored. Isolation of uranium mill tailings and their component radionuclides from the biosphere--some earth science perspectives.

[Edward Landa] -- A critical review of the literature dealing with uranium mill tailings, with emphasis on the geologic and geochemical processes affecting the long-term containment of radionuclides. At the Ranger uranium mine the present tailings containment is an above-grade structure built to exacting standards, as if it were a water retaining structure.

The present regulations require that this structure and the enclosed tailings be returned to a mine pit at the end of operations. Mill tailings contain daughter products of uranium—particularly radium with its 1, year half-life. The tailings may also contain hazardous contaminants from milling operations; much of the residue is sand.

Mill tailings are of concern due to possible water contamination by tailings pore fluid contaminants and air exposure by radon. Aerial view of Susquehanna-Western, Inc., Uranium Mill near Falls City, Texas.

Ore stock piles are upper center. The tailings line is seen at the upper right portion of the photo. Note the flat root and open wall design of the mill building. The completion of this ton per day mill marked the first commercial plant in Texas to treat uranium ores. The plant is owned by Susquehanna-Western.

Uranium mill tailings were anaerobically incubated in the presence of H 2 with Alteromonas putrefaciens, a bacterium known to couple the oxidation of H 2 and organic compounds to the reduction of Fe(III) oxides. There was a direct correlation between the extent of Fe(III) reduction and the accumulation of dissolved Ra.

In sterile tailings in which Fe(III) was not reduced, there was Cited by:. March RD/GD, Management of Uranium Mine Waste Rock and Mill Tailings 3 • Management of Radioactive Waste from the Mining and Milling of Ores, Safety Guide WS-G, International Atomic Energy Agency (IAEA) [9] • Reference Document on Best Available Techniques for Management of Tailings and Waste- Rock in Mining Activities, European Commission [10]File Size: KB.Environmental Contamination from Uranium Production Facilities and Environmental contamination from uranium production facilities and their remediation: proceedings of an international Uranium mill tailings are of particular environmental concern because: (a) They retain much of the radioactivity of the ore from which they were.uranium and thorium milling 40 CFR Part issued under authority of Uranium Mill Tailings Radiation Control Act.

Establishes health and environmental protection standards utilized by the NRC and its Agreement States, and DOE for their oversight of uranium and thorium extraction facility licensing, operations, sites, and wastes.