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The Influence Of Plutonium Concentration And Solution Flow Rate On The Effective Capacity Of Macroporous Anion Exchange Resin
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Book Synopsis The Influence of Plutonium Concentration and Solution Flow Rate on the Effective Capacity of Macroporous Anion Exchange Resin by : S. Fredric Marsh
Download or read book The Influence of Plutonium Concentration and Solution Flow Rate on the Effective Capacity of Macroporous Anion Exchange Resin written by S. Fredric Marsh and published by . This book was released on 1987 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Influence of Plutonium Concentration and Solution Flow Rate on the Effective Capacity of Macroporous Anion Exchange Resin. [Lewatit MP-500-FK ; Pu]. by :
Download or read book The Influence of Plutonium Concentration and Solution Flow Rate on the Effective Capacity of Macroporous Anion Exchange Resin. [Lewatit MP-500-FK ; Pu]. written by and published by . This book was released on 1987 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The principal aqueous process used to recover and purify plutonium at the Los Alamos Plutonium Facility is anion exchange in nitric acid. Previous studies with gel-type anion exchange resin have shown an inverse relationship between plutonium concentration in the feed solution and the optimum flow rate for this process. Because gel-type resin has been replaced with macroporous resin at Los Alamos, the relationship between plutonium concentration and solution flow rate was reexamined with the selected Lewatit MP-500-FK resin using solutions of plutonium in nitric acid and in nitric acid with high levels of added nitrate salts. Our results with this resin differ significantly from previous data obtained with gel-type resin. Flow-rate variation from 10 to 80 liters per hour had essentially no effect on the measured quantities of plutonium sorbed by the macroporous resin. However, the effect of plutonium concentration in the feed solutions was pronounced, as feed solutions that contained the highest concentrations of plutonium also produced the highest resin loadings. The most notable effect of high concentrations of dissolved nitrate salts in these solutions was an increased resin capacity for plutonium at low flow rates. 16 refs., 7 figs., 2 tabs.
Download or read book Energy Research Abstracts written by and published by . This book was released on 1987 with total page 532 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Publications of Los Alamos Research by : Los Alamos National Laboratory
Download or read book Publications of Los Alamos Research written by Los Alamos National Laboratory and published by . This book was released on 1987 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Processing of Plutonium by Ion Exchange by : D. B. James
Download or read book Processing of Plutonium by Ion Exchange written by D. B. James and published by . This book was released on 1965 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Improved Recovery and Purification of Plutonium at Los Alamos Using Macroporous Anion Exchange Resin by :
Download or read book Improved Recovery and Purification of Plutonium at Los Alamos Using Macroporous Anion Exchange Resin written by and published by . This book was released on 1987 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: For almost 30 years, Los Alamos National Laboratory has used anion exchange in nitric acid as the major aqueous process or the recovery and purification of plutonium. One of the few disadvantages of this system is the particularly slow rate at which the anionic nitrato complex of Pu(IV) equilibrates with the resin. The Nuclear Materials Process Technology Group at Los Alamos recently completed an ion exchange development program that focused on improving the slow sorption kinetics that limits this process. A comprehensive investigation of modern anion exchange resins identified porosity and bead size as the properties that most influence plutonium sorption kinetics. Our study found that small beads of macroporous resin produced a dramatic increase in plutonium process efficiency. The Rocky Flats Plant has already adopted this improved ion exchange technology, and it currently is being evaluated for use in other DOE plutonium-processing facilities.
Book Synopsis Processing of Plutonium by Ion Exchange by : R. S. Cooper
Download or read book Processing of Plutonium by Ion Exchange written by R. S. Cooper and published by . This book was released on 1964 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Anion Exchange Method for the Determination of Plutonium in Water by : Carl Thomas Bishop
Download or read book Anion Exchange Method for the Determination of Plutonium in Water written by Carl Thomas Bishop and published by . This book was released on 1978 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurements of Plutonium Nitrate Shipping Solutions by : J. T. Byrne
Download or read book Measurements of Plutonium Nitrate Shipping Solutions written by J. T. Byrne and published by . This book was released on 1964 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government reports annual index by :
Download or read book Government reports annual index written by and published by . This book was released on 199? with total page 954 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effect of Extremely High Specific Flow Rates on the Ion- Exchange Resin Sorption Characteristics by : Miroslav Kukučka
Download or read book Effect of Extremely High Specific Flow Rates on the Ion- Exchange Resin Sorption Characteristics written by Miroslav Kukučka and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Behavior of the strongly basic, macroporous ion-exchange resin Amberlite IRA 958-Cl is circumstantially explained in the book chapter. Effects of different specific flow rate (SFR) and determination of its optimum value, as well as effects of the empty-bed contact time (EBCT) values on the removal of NOM, arsenic, sulfate, electrical conductivity, bicarbonate and chlorine from groundwater using strongly basic ion exchange resin (SBIX) is examined in this chapter. Determination of the resin's sorption characteristics is also part of the investigation. A new approach of pseudo equilibrium adsorption capacity is presented. Investigations of determination of optimum value of water flow rate and resin's sorption characteristics were conducted with native groundwater and native groundwater with addition of oxidizing agent. Sodium hypochorite was added to the raw water with the aim of oxidizing NOM and As(III) to As(V). The intention was to find out whether the resin might be used beyond the range of operating conditions recommended by the manufacturer. Results will provide a better understanding of treatment of groundwater with similar physico-chemical composition which is important when designing a water treatment plants for settlements in areas with such groundwater. Also, prolonging the resin working cycle can ultimately lead to water treatment plants cost reduction. Namely, when the results for the optimum SFR are obtained for a pilot plant system for concrete groundwater of distinct physico-chemical characteristics, it is simple to design a unique ion-exchange water treatment system of any capacity. The obtained results make a sound basis for designing an appropriate plant for the removal of NOM from groundwater of the region of the town of Zrenjanin. The tested resin can also be used in the process of pretreatment of the same water, since it allows the removal of about 50 % of the naturally occurring arsenic.
Book Synopsis Improved Recovery and Purification of Plutonium at Los Alamos Using Macroporous Anion Exchange Resin by : S. Fredric Marsh
Download or read book Improved Recovery and Purification of Plutonium at Los Alamos Using Macroporous Anion Exchange Resin written by S. Fredric Marsh and published by . This book was released on 1987 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Performance of a Plutonium Reflux Solvent Extraction System by : B. F. Judson
Download or read book Performance of a Plutonium Reflux Solvent Extraction System written by B. F. Judson and published by . This book was released on 1957 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Recovery, Purification, and Concentration of Plutonium by Anion Exchange in Nitric Acid by :
Download or read book The Recovery, Purification, and Concentration of Plutonium by Anion Exchange in Nitric Acid written by and published by . This book was released on 1959 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A detailed experimental study has shown absorption of plutenium(IV) from 7 M HNO/sub 3/ solutions by strongbase (quaternary amine) anion exchange resins to be a very powerful and versatile processing method for plutonium. The simple expedient of operating at 50 to 60 deg C relieves most of the objections of former anion exchange processes for plutonium in that it permits adequate processing rates and efficiency to be obtained with four per cent cross-linked resins. Commercially available strong-base anion exchange resins Dowex-1, X-4 (50 to 100 mesh), among 50 to 100 mesh resins, and Permutit SK (20 to 50 mesh), among 20 to 50 mesh resins, are markedly superior for most process applications. The anion exchange process consists of an absorption or loading step in which plutonium is absorbed out of a feed solution by the resin, washing step in which impurities are removed by washing the plutonium-laden resin with an appropriate wash solution, and an elution step in which plutonium is stripped off the resin in an appropriate aqueous solution The effects of the pertinent variables in each of these steps have been studied in some detail, yielding informatlon which can be readily extrapolated to new processing applications. (auth).
Book Synopsis Hydroxylamine Nitrate Reduction of Plutonium (IV) by : G. Scott Barney
Download or read book Hydroxylamine Nitrate Reduction of Plutonium (IV) written by G. Scott Barney and published by . This book was released on 1971 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Announcements & Index by :
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1987 with total page 1252 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Plutonium Fuel Fabrication and Reprocessing for Fast Ceramic Reactors by : E. L. Zebroski
Download or read book Plutonium Fuel Fabrication and Reprocessing for Fast Ceramic Reactors written by E. L. Zebroski and published by . This book was released on 1962 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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