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uranium resin

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NRC: Heap Leach and Ion-Exchange Facilities

Heap Leach and Ion-Exchange Facilities Through the years, the U.S. Nuclear Regulatory Commission (NRC) has licensed numerous uranium recovery facilities in the United States, which used a variety of extraction methods.

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DOWEX™ RPU - Dow eLibrary

DOWEX™ RPU resin is a physically tough, high capacity anion resin which can be used for uranium recovery from acid leach liquors. Due to its high resistance to silica fouling, the resin is ideally suited in streams where silica foulant build-up is a problem.

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Uranium One Signs Resin Processing Agreement (RPA) with ...

Uranium One Americas Inc., a member of Rosatom's international mining division – Uranium One Inc., signed a service agreement with Anfield Resources Inc. for the processing of uranium- containing resin at its production facilities in Wyoming, U.S.A.

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NRC: Uranium Recovery (Extraction) Methods

Uranium Recovery (Extraction) Methods Uranium recovery involves one of the following extraction processes. In a conventional uranium mine and mill, uranium ore is extracted from the Earth, typically through deep underground shafts or shallow open pits.

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US2756123A - Uranium-vanadium recovery and purification ...

uranium resin elution Prior art date 1950-05-03 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US159744A Inventor

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APPENDIX D ION EXCHANGE PLANT DESIGN Operation and ...

Once the resin has been loaded with uranium in the IX columns, the resin from a given column will first be transferred to one of two loaded resin storage tanks, each capable of holding 1,000 ft 3 of resin.

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Uranium Remediation by Ion Exchange and Sorption Methods ...

Uranium carbonate industrial waste streams from a Brazilian nuclear production plant were treated by an ion exchange process using a Type II strong base anion exchange resin, IRA-910A with a dimethyl 2-hydroxy ethyl functional group . The stream needed to be boiled for 6 h to lower the total carbonate concentration before it could be treated.

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Geochemistry of Uranium in Apatite and Phosphorite

THE GEOCHEMISTRY OF URANIUM IN APATITE AND PHOSPHORITE By Z. S. ALTSCHULEK, K. S. CLAKKE, JR., and E. J. YOUNG ABSTRACT Apatite contains only traces of uranium, yet as apatite is a minor constituent in most rocks and the major constituent of a few very large deposits, it accounts, paradoxically, for both

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SBG1 - ResinTech

SBG1 is a high crosslinked resin with higher ion exchange density than other strong base anion resins. This results in both higher capacity and higher selectivity for various anions. ... arsenate, chromate, uranium, etc. SBG1-OH is especially well suited for use in polishing mixed beds.

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Hydrometallurgical Products | Purolite |

Applications of ion exchange in hydrometallurgy include gold recovery, uranium recovery, molybdenum recovery, impurity removal, and effluent treatment to ensure adherence to environmental standards to allow recycling and re-use. ... Type I Strong Base Anion Resin, Chloride form, Uniform Particle Size. MTA5011. Polystyrenic Macroporous, Type I ...

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Wyoming Mining Association White Paper

Wyoming Mining Association White Paper Re: 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 ... uranium is stripped from the resin and precipitated as uranium oxide (yellowcake).

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Uranium - Industrial-Craft-Wiki

Uranium is a metal resource added by IC² and generated as ore between layers 0 and 64, usually in groups of up to 2 blocks. It requires an iron pickaxe or better to mine. ... Copper Ore • Tin Ore • Lead Ore • Uranium Ore • Sticky Resin • ...

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Preparation of Adsorption Resins for Uranium in Sea Water

The average recovery ratios of uranium from sea water with Na-form and H-form RCSP on 10 recycles were 84.9% and 90.5%, respectively, when 20 dm3 of sea water was passed through the column (resin ...

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In Situ Leach Mining (ISL) of Uranium - World Nuclear ...

The uranium-bearing solution (generally containing less than 0. 1% uranium) is then pumped to a surface processing facility where the uranium is removed using ion exchange resin/polymer. The water is re-oxidized and re-injected into the orebody.

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Uranium Removal by Ion Exchange

Resin Selection Cation resin in the hydrogen form has been found to remove uranium, probably by converting the uranium complex to the uranium cation. Removal rates are in the 90–95% range, but the pH of the effluent will be low (about 2.5 to 3.5) and the resin used in …

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New Ion Exchange Resin for Uranium Recovery - Industrial ...

Learn more about these metrics Article Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institutions and individuals. These metrics are regularly updated to reflect usage leading up to the last few days. The Altmetric Attention Score is a quantitative measure of the attention that a research article has received online.

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APPLICATION OF RESIN IN PULP TECHNIQUE FOR ION …

APPLICATION OF RESIN IN PULP TECHNIQUE FOR ION EXCHANGE SEPARATION OF URANIUM FROM ALKALINE LEACHATE T.Sreenivas, K.C.Rajan and J.K.Chakravartty # Mineral Processing Division, # Materials Group BHABHA ATOMIC RESEARCH CENTRE HYDERABAD - INDIA

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Home Uranium Water Treatment Options - Air & Water Quality

Home Uranium Water Treatment Options ... Ion exchange with anion resin; ... Ion exchange with anion resin works well to remove uranium but has the following disadvantages: The removal capacity of the system will decrease over time because of other minerals in the water.

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ISR Mining - Uranium Energy Corporation

The uranium-bearing solution is brought back to surface through production wells where the uranium is concentrated on resin beads for trucking to the Company's Hobson processing plant to be concentrated further and dried into yellowcake for market.

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Chemical and Ion Exchange Uranium Enrichment

Chemical and Ion Exchange Uranium Enrichment. ... the organic phase is replaced by a proprietary ion-exchange resin. The aqueous phase flows through the stationary resin held in a column, and the ...

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Fundamentals of Ion Exchange - Dow

Fundamentals of Ion Exchange Ion exchange is the reversible interchange of ions between a solid (ion exchange material) and a liquid ... Cation Exchange Resin Schematic Showing Negatively Charged Matrix and Exchangeable Positive Ions. basis. The water uptake of a resin

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Uranium Mining Overview - World Nuclear Association

The uranium in solution is recovered in a resin/polymer ion exchange (IX) or liquid ion exchange (solvent extraction – SX) system. The pregnant liquor from acid ISL or heap leaching is treated similarly.

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Removal of Uranium From Drinking Water by Ion Exchange and ...

20. 97. 99* (Max) 99 99+ Mine Water Mine Water Mine Water Mine Water Parameter Dependent Column Test Column Test 16 16 16 16 1 1 1 The majority of applications of ion exchange and chemical clarification for recovery of uranium (and other radioactive materials) has taken place at uranium ore processing operations or at national laboratories.

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APPLICATION OF ION EXCHANGE RESINS TO RECOVER …

uranium mine whose activities have ceased for over twenty years. The acid waters have pH around 3 and contain uranium (8 to 11mg/L), besides other elements such as sulfate ... (BV). Bed volume refers to the volume of solution equivalent to the resin volume in place.

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ANION EXCHANGE RESIN SBG2 TYPE 2 GEL Cl OR OH FORM

ResinTech sBG2 is a chloride form type 2 gel strong base anion resin. SBG2 has high capacity, high chemical efficiency and good resistance to fouling. ReSinTech SBG2 is intended for use in the chloride form for removal of contaminants such as nitrate, arsenate, chromate, uranium, etc., as well as in the hydroxide form for all types of ...

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ELUTION OF URANIUM VALUES FROM ION EXCHANGE RESINS …

The resin is subjected to the action of an aqueous eluting solution contuining sulfuric acid and an alkali metal, ammonium, or magnesium chloride or nitrate, the elution being carried out until the desired amount of the uranium is removed from the resin.

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Uranium Adsorption on Ion-Exchange Resins – Batch Testing

Ion-Exchange Resins – Batch Testing . SV Mattigod EA Cordova . EC Golovich RM Smith . DM Wellman . December 2010 . PNNL-20135 . Uranium Adsorption on Ion-Exchange Resins – Batch Testing . SV Mattigod EA Cordova . EC Golovich RM Smith . ... determining the quantity of uranium that each resin can adsorb and the time required to reach various

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In situ leach - Wikipedia

In-situ leach for uranium has expanded rapidly since the 1990s, and is now the predominant method for mining uranium, accounting for 45 percent of the uranium mined worldwide in 2012. ... Through an ion exchange process, the resin beads attract uranium from the solution.

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Ion exchange resins and their applications

Ion exchange resins and their applications Cation and anion resins remove dissolved ionic contaminants. ... TOC is typically negatively charged and removed using SBA resin. Uranium. SBA resin can be used to remove uranium, which typically exists as …

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Radium | Water Solutions

In uranium mining, radium is dealt with by direct barium precipitation techniques. These processes take up a lot of space and generate large quantities of sludge that must be further treated. Radium can also be selectively removed with DOWEX RSC Resin.

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ISR Mining - Uranium One

The uranium is then stripped from the ion exchange resin, and is precipitated chemically from the solution, usually with hydrogen peroxide (caustic soda is used at the Zarechnoye Mine and the Kharasan Mine in Kazakhstan). The resin is cleaned and returned to the IX columns.

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Evaluating ion exchange resin efficiency and oxidative ...

Evaluating ion exchange resin efficiency and oxidative capacity for the separation of uranium(IV) and uranium(VI) Deborah L Stoliker, 1 Nazila Kaviani, 1 Douglas B Kent, 1 and James A Davis 2 1 U.S. Geological Survey, 345 Middlefield Rd, Menlo Park, CA, 94025, USA

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UTEVA® Resin - Eichrom Technologies Inc

UTEVA Resin has been applied to a variety of analytical challenges, including uranium measurements in environmental samples, removal of uranium from samples prior to analysis for other elements, the sequential determination of uranium, plutonium, and americium, the measurement of actinides in urine, and the measurement of actinides in high level waste.

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Uranium (VI) adsorption equilibrium on purolite resin SGA ...

IE was used to extract uranium from leach liquor, the resin eluted with sulfuric acid then uranium was extracted using the SE process. Ion exchange resins are widely used in various areas from ...

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