Written in EnglishRead online
Includes bibliographical references and index.
|Other titles||In situ uranium mining and ground water restoration.|
|Statement||editors, W.J. Schlitt, D.A. Shock ; sponsored by Solution Mining Unit Committee, Society of Mining Engineers of AIME.|
|Contributions||Schlitt, W. J., Shock, D. A., Society of Mining Engineers of AIME. Solution Mining Committee.|
|LC Classifications||TN490.U7 I5 1979|
|The Physical Object|
|Pagination||v, 137 p. :|
|Number of Pages||137|
|LC Control Number||79052217|
Download In situ uranium mining & ground water restoration
Groundwater Restoration at Uranium In-Situ Recovery Mines, South Texas Coastal Plain: Open-File Report [Susan Hall, United U.S. Department of the Interior] on *FREE* shipping on qualifying offers. This talk was presented by U.S. Geological Survey (USGS) geologist Susan Hall onat the Uranium conference in Keystone.
Get this from a library. In situ uranium mining & ground water restoration: proceedings of the New Orleans symposium, Febru [W J Schlitt; D A Shock; Society of Mining Engineers of AIME.
Solution Mining Committee.;]. Groundwater restoration at uranium in-situ recovery mines, south Texas coastal plain: Series title: Open-File Report: Series number: DOI: /ofr Year Published: Language: English: Publisher: U.S. Geological Survey: Contributing office(s) Central Energy Resources Science Center: Description: 36 p.
Time Range Start. Increased interest in nuclear energy has led to proposals for renewed development using both underground mining and uranium in situ recovery (ISR). When feasible, ISR greatly reduces waste generated by the mining and milling processes, however, the ability to restore ground water to acceptable quality after ISR ends is by: 2.
In-situ recovery (ISR) of uranium is a mining practice that uses groundwater. First, wells are drilled into a uranium- bearing aquifer. Leaching fluids are injected into the wells to dissolve the uranium ore into the groundwater, and then the uranium is recovered by extracting the In situ uranium mining & ground water restoration book.
From to the early ’s New Mexico played an important role in the production of uranium (U) for the nuclear power industry and the nation’s weapon programs. Though the U mining and milling industry in New Mexico is inactive at present, increased interest in nuclear energy as a CO2 free power source has led to proposals for renewed development of U resources.
Summary In situ recovery (ISR) uranium mining is a technique in which uranium is extracted by a series of injection and recovery wells developed in a permeable sandstone host rock. Chemical constituents (lixiviants) are added to groundwater injection wells to mobilize uranium into groundwater.
The uranium-rich lixiviant is piped from the wellfield to the processing plant, then pumped through In-Situ Recovery of Uranium Mark S. Pelizza – Uranium Resources Inc.
ISR recovers uranium by essentially running backward the process that formed the uranium deposit in the first place. w a t e r t a bl e sandstone oxygenated water roll-front. Increased interest in nuclear energy has led to proposals for renewed development using both underground mining and uranium in situ recovery (ISR).
When feasible, ISR greatly reduces waste generated by the mining and milling processes, however, the ability to restore ground water to acceptable quality after ISR ends is uncertain. In situ leach mining (ISL) is a method of uranium mining where hundreds of wells are drilled in a “grid pattern” over an ore body that is located in a groundwater aquifer.
Water mixed with sodium bicarbonate concentrate is pumped down into the aquifer, across the uranium ore bed, and them up.
Topics discussed include the U.S. uranium resource base, the technology and economics of uranium recovery from phosphate resources, trends in preleach materials handling of sandstone uranium ores, groundwater restoration after in-situ uranium leaching, mitigation of the environmental impacts of open pit and underground uranium mining, remedial.
This chapter presents an overview of the in situ mining technology, including U deposition, mining techniques, and groundwater restoration alternatives. The latter part of the chapter covers the situation in South Texas.
Economics and development of the industry, groundwater resources, regula- tion, and restoration activities are also reviewed.
Groundwater restoration at uranium in-situ recovery mines, south Texas coastal plain, by Susan Hall, U.S. Geological Survey Open-File Report –,32 p. Consideration of Geochemical Issues in Groundwater Restoration at Uranium In-Situ Leach Mining Facilities, NUREG/CR, U.S.
NRC, January In-situ recovery (ISR, also referred to as in-situ leaching or solution mining) may offer such a step-change approach. ISR refers to the recovery of valuable metals from ore deposits by the circulation of a fluid underground and the recovery of the valuable metal from the.
Commercial in-situ leach (ISL) uranium mining in the United States began in the mids. Both acid and alkaline leach systems were evaluated. The difficulty of restoring ground water following acid leaching, led to exclusinve adoption of alkaline leach systems.
The low production cost achievable from carefully selected. USDW Protection at In Situ Uranium Mining Sites Groundwater quality in mined aquifer must be restored to established baseline values for 26 groundwater quality parameters Once operator determines aquifer restoration has been achieved, aquifer must be monitored for one year to verify restoration is complete.
In situ leaching (ISL), solution mining, or in situ recovery (ISR) involves dissolving uranium in the ground and pumping the solution to the surface where the minerals can be recovered.
Information from the World Nuclear Association, the global private-sector organization that provides information on nuclear power, nuclear energy, and the role of nuclear in sustainable development. In-situ recovery is a method of extracting uranium from underground deposits without having to dig open-pit or underground mines to physically remove the uranium-bearing ore and other materials.
Environmental remediation and restoration aim to reduce exposure to radiation from contaminated soil or groundwater. This book provides a comprehensive overview of this area.
Part 1 provides an introduction to the different types of contaminated site and their characteristics. Part 2 addresses environmental restoration frameworks and processes. BACKGROUND ON URANIUM IN-SITU LEACHING Modern in-situ uranium leaching began in the s. The Utah Construction and Mining Co.
conducted leaching tests fromand used this method for uranium production from at its Shirley Basin Site in Wyoming. Between. This is the fourth article in a series on uranium. This article will focus on the Crow Butte in situ recovery uranium mine outside the community of Crawford, Nebraska.
I am writing about the Crow Butter in situ uranium mine near Crawford because of its location, less than two hours south east of Edgemont South Dakota and because in situ recovery is how Power Tech (U. S.A.) plans on mining.
Uranium In-Situ Recovery In situ mining is a process by which uranium is extracted from porous and permeable host sands via wells completed into those sands.
Solutions (called lixiviants) are injected into some wells and Ground water restoration can begin by first removing water from the aquifer.
Uranium In-Situ Recovery (ISR) Mining Low capital costs ($20 to $35 million) Environmentally friendly (common solute is ground water enriched with oxygen and, if needed, carbon dioxide or bicarbonate of soda) Process essentially reverses the natural process by which the deposits were originally formed.
We conducted a literature review of sandstone-hosted uranium deposits and in-situ recovery (ISR) mining to compile information where long-term effects to groundwater quality have been documented, and we analyzed the information to identify knowledge and data gaps in geochemical and microbiological process that may be responsible for observed effects.
In situ is a Latin word that translates literally to “on site” or “in position.” Unlike conventional mining methods, where the uranium mineral and host rock are excavated together and the.
Request PDF | On Jan 1,James A. Davis published Consideration of Geochemical Issues in Groundwater Restoration at Uranium In-Situ Leach Mining Facilities | Find, read and cite all the. In situ solution mining of uranium has environmental advantages over conventional mining.
The leaching of uranium, however, alters the groundwater quality in the aquifer where the mining occurs. Currently, regulations require that the groundwater be restored to approximately its original condition. This Bureau of Mines paper reviews the state-of-the-art in restoring groundwater quality after in.
leach mining process, common restoration methods, historical information on in-situ leach mine restoration, and analytical techniques that may be used for estimating the future costs for restoring these sites. Groundwater restoration costs are a significant portion of the overall restoration costs at an in-situ leach mining facility.
The database for the pilot plant groundwater restoration project at the Ruth In-Situ Leach Uranium Mine facility (Wyoming) (Schmidt, ) was used to set initial post-mining conditions and to compare the model results for various geochemical/hydrologic scenarios with actual field observations of water quality evolution.
There has been increasing interest in uranium mining in the United States via in situ recovery techniques. One of the main environmental concerns with in situ uranium mining is the potential for spreading groundwater contamination.
There is a dearth. Uranium in-situ recovery (ISR) is a subsurface aqueous mining technique used to extract uranium from sandstone roll-front deposits.
After ISR mining, groundwater restoration is conducted to decrease concentrations of residual U(VI) and other contaminants leftover in the groundwater.
Sodium dithionite, a strong chemical reductant, is being tested for use in groundwater restoration following. The restoration table in the permit establishes the values for key constituents that meet the pre-exisiting conditions for groundwater of the mining zone.
(30 TAC ) To learn more, see In Situ Leach (ISL) Mining of Uranium or the Nuclear Regulatory Commission's In Situ Recovery Facilities web page. In-situ leaching (ISL), also called in-situ recovery (ISR) or solution mining, is a mining process used to recover minerals such as copper and uranium through boreholes drilled into a deposit, in situ leach works by artificially dissolving minerals occurring naturally in a solid state.
For recovery of material occurring naturally in solution, see: Brine mining. However, in situ mining is the underground processing of uranium ore, an activity subject to licensing requirements for Type II byproduct material (per RegulationDefinitions) including Parts 1, 3, 4, 10, 17 and 18 of the regulations, among others.
And Stevenson noted that past in-situ copper mining has led to elevated levels of radioactive elements such as uranium and thorium in groundwater. “This valley has been perforated,” Stevenson said. “It’s like Swiss cheese out here with wells.” “They’ve drilled for uranium; they’ve drilled for everything,” Wilcox added.
Book, Internet Resource: All Authors / Contributors: for radionuclide migration from a nuclear explosion cavity / Darleane C. Hoffman and William R. Daniels --Groundwater restoration with in situ uranium leach mining / Randall J.
Charbeneau Groundwater restoration with in situ uranium leach mining. In situ solution mining of uranium has several environmental advantages over other mining techniques. The leaching of uranium, however, alters the ground water in the aquifer where the leaching occurs.
A requirement of the mining technique is the control of objectionable materials that are introduced into the water. The native groundwater continues in this cycle until uranium extraction is complete. In situ recovery has several significant advantages over conventional mining.
First, the environmental impact is minimal, as there is little surface disturbance and the affected water is restored at the conclusion of mining. The Minerals and Mining Program regulates mineral exploration, mining, and oil & gas development in South Dakota.
We ensure mineral exploration and development is conducted in a manner that minimizes environmental impact, and that affected lands are reclaimed. uranium at the time. Uranium Mining. Uranium is extracted by three main pro cesses, underground mining, open-pit mining and in situ leaching.
Underground mining is not common currently. Underground mining prior to a complete understa nding of the effects of radon, and improved techniques was associated with numerous cases of cancer in the miners.
The project is an in situ uranium mining operation which would use local groundwater aquifers for uranium extraction, and for the subsequent disposal of process-related liquid waste.In Situ Leach (ISL) Mining of Uranium (June ) z Most uranium mining in the USA and Kazakhstan is now by in situ leach methods, also known as in situ recovery (ISR).
z In USA ISL is seen as the most cost effective and environmentally acceptable method of mining, and Australian experience supports this. z Australia's first ISL uranium mine is Beverley, which started operation late in such as pumping and treating to ensure the ground water quality is restored.
How is ground water quality restored after in situ uranium leach mining? At the completion of mining, all groundwater in the mined aquifers must be restored to standards making it suitable for its pre-mining use.
There are several methods used to do this. One.