Fissile Solubility And Monosodium Titanate Loading Tests

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Fissile Solubility and Monosodium Titanate Loading Tests

Author :
Publisher :
ISBN 13 :
Total Pages : 22 pages
Book Rating : 4.:/5 (727 download)

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Download or read book Fissile Solubility and Monosodium Titanate Loading Tests written by and published by . This book was released on 1993 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt: The solubilities of plutonium and uranium have been determined for alkaline salt solutions having compositions which bound those which will be processed in the In-Tank Precipitation (ITP) process. Loadings of plutonium and uranium onto monosodium titanate (MST) have been determined at temperatures bounding those expected to occur during ITP and using a salt solution which was determined to have the maximum solubility for uranium and plutonium. Fissile loadings increase with decreasing amounts of MST in contact with the salt solutions saturated in plutonium and uranium. At MST concentrations bounding those which are planned for the ITP process, expressions for the maximum loadings (wt %) are determined to be 0.29 - 0.20x[MST] for plutonium and 1.8 - 0.29x[MST] for uranium, where [MST] is the concentration of MST in grams/liter. These expressions are valid over the range of MST concentrations from 0.05 to 0.51 g/L and temperatures of 17[degrees]--74[degrees]C. These loadings are below the individual infinitely safe limits for plutonium and uranium. Additional confirmatory experiments are planned to verify the effects of temperature and multiple contacts of the MST with fresh salt solution on the fissile loadings.

Energy Research Abstracts

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Publisher :
ISBN 13 :
Total Pages : 622 pages
Book Rating : 4.0/5 ( download)

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Download or read book Energy Research Abstracts written by and published by . This book was released on 1993 with total page 622 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Radioactive Waste Management

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Publisher :
ISBN 13 :
Total Pages : 552 pages
Book Rating : 4.X/5 (2 download)

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Download or read book Radioactive Waste Management written by and published by . This book was released on 1981 with total page 552 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Determination of Fissile Loadings Onto Monosodium Titanate (MST) Under Conditions Relevant to the Actinide Removal Process Facility

Download Determination of Fissile Loadings Onto Monosodium Titanate (MST) Under Conditions Relevant to the Actinide Removal Process Facility PDF Online Free

Author : T. Peters
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (316 download)

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Book Synopsis Determination of Fissile Loadings Onto Monosodium Titanate (MST) Under Conditions Relevant to the Actinide Removal Process Facility by : T. Peters

Download or read book Determination of Fissile Loadings Onto Monosodium Titanate (MST) Under Conditions Relevant to the Actinide Removal Process Facility written by T. Peters and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This report describes the results of an experimental study to measure the sorption of fissile actinides on monosodium titanate (MST) at conditions relevant to operation of the Actinide Removal Process (ARP). The study examined the effect of a single contact of a large volume of radionuclide-spiked simulant solution with a small mass of MST. The volume of simulant to MST (8.5 L to 0.2 g of MST solids) was designed to mimic the maximum phase ratio that occurs between the multiple contacts of MST and waste solution and washing of the accumulated solids cycle of ARP. This work provides the following results. (1) After a contact time of {approx}2 weeks, we measured the following actinide loadings on the MST (average of solution and solids data), Pu: 2.79 {+-} 0.197 wt %, U: 14.0 {+-} 1.04 wt %, and Np: 0.839 {+-} 0.0178 wt %. (2) The plutonium and uranium loadings reported above are considerably higher than previously reported values. The higher loading result from the very high phase ratio and the high initial mass concentrations of uranium and plutonium. A separate upcoming document details the predicted values for this system versus the results. (3) The strontium DF values measured in these tests proved much lower than those reported previously with simulants having the same bulk chemical composition. The low strontium DF values reflect the very low initial mass concentration of strontium in this simulant (100 {micro}g/L) compared to that in previous testing ( 600 {micro}g/L).

Plutonium and Uranium Adsorption on Monosodium Titanate

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Publisher :
ISBN 13 :
Total Pages : 18 pages
Book Rating : 4.:/5 (727 download)

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Download or read book Plutonium and Uranium Adsorption on Monosodium Titanate written by and published by . This book was released on 1992 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: Adsorption of Pu and U onto monosodium titanate (MST) in alkaline salt solution was measured. Changes in MST particle size distribution do not significantly affect the loadings of actinides. Max loading of plutonium-239 is 0.68 wt% at 0.79 mg/L Pu, below the infinitely safe value of 0.80 wt%. Max loading of uranium-235 onto MST is 1.4 wt% at a concentration of 20.3 ± 2.0 mg/L U, slightly higher than the calculated infinitely safe limit of 1.2 wt%. Experimental data indicated there is competition between plutonium and uranium for sites on the MST, and that the loading will favor the higher concentration species. Since the solubility of uranium is 10--100 times higher than of plutonium, uranium will be loaded to its maximum limit, but plutonium will be below its maximum limit. To ensure that the concentration of fissile materials cannot exceed nuclear safety limits, it is recommended that plutonium and uranium solubility tests be conducted with solutions which bound the compositions of waste which will be treated in ITP process.

Government Reports Announcements & Index

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Publisher :
ISBN 13 :
Total Pages : 962 pages
Book Rating : 4.3/5 (129 download)

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Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1993 with total page 962 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Government Reports Annual Index

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ISBN 13 :
Total Pages : 1804 pages
Book Rating : 4.:/5 (89 download)

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Download or read book Government Reports Annual Index written by and published by . This book was released on 1993 with total page 1804 pages. Available in PDF, EPUB and Kindle. Book excerpt:

MONOSODIUM TITANATE MULTI-STRIKE TESTING.

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ISBN 13 :
Total Pages : 5 pages
Book Rating : 4.:/5 (684 download)

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Download or read book MONOSODIUM TITANATE MULTI-STRIKE TESTING. written by and published by . This book was released on 2004 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: Research over the past decade has studied the adsorption of plutonium and uranium onto monosodium titanate (MST) in alkaline solutions. Tests showed that MST would remove the targeted radionuclides from simulated alkaline waste. Testing also indicated that Pu removal kinetics and Np capacity of the MST material impacts the size of equipment and waste blending plans for the Salt Waste Processing Facility (SWPF). Additionally, calculations suggested the baseline MST process may not achieve the desired decontamination in wastes containing elevated concentrations of Pu and Np. In this task, the authors investigated the performance of non-baseline process parameters and their effectiveness for treating waste feed in the Salt Waste Processing Facility. The work addresses a DOE request in support of technical needs expressed, in part, by the Engineering, Procurement, and Construction Contractors for the Salt Waste Processing Facility. The work investigated the effect of increased MST addition (up to 1.2 g/L) and the benefit of extra filtration steps with multiple additions of MST to salt waste containing actinides and strontium. Both simulant and actual waste testing occurred. Actual waste tests used a Tank 39H composite waste solution. In addition, testing to determine desorption of actinides from residual MST occurred. The release of sorbed Sr and actinides from loaded MST during the washing stages in the Salt Waste Processing Facility is an unresolved process behavior. Desorption tests assessed this potential problem using loaded MST from the residue of the MST adsorption tests. Analysis of non-radioactive Sr in the tests proved difficult due to the low concentration of nonradioactive Sr and its nearness to the method detection limit for ICP-MS. Efforts to use AMP to minimize dilution of actual waste for removal from the cell did not help for this analysis since instrument dilution still proved necessary due to the salt content.

OPTIMIZED MONOSODIUM TITANATE PHASE II SUPPLEMENTAL TESTING REPORT URANIUM ADSORPTION AND SHELF-LIFE MEASUREMENTS.

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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (727 download)

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Book Synopsis OPTIMIZED MONOSODIUM TITANATE PHASE II SUPPLEMENTAL TESTING REPORT URANIUM ADSORPTION AND SHELF-LIFE MEASUREMENTS. by :

Download or read book OPTIMIZED MONOSODIUM TITANATE PHASE II SUPPLEMENTAL TESTING REPORT URANIUM ADSORPTION AND SHELF-LIFE MEASUREMENTS. written by and published by . This book was released on 2008 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The DOE Office of Waste Processing recently funded supplemental Phase II testing to further investigate the uranium affinity and shelf-life of modified monosodium titanate (mMST). Testing results confirmed earlier findings that the mMST exhibits much lower affinity for uranium than the baseline monosodium titanate (MST) material. The loading of uranium onto the mMST sample measured more than an order of magnitude lower than that of the MST. This finding indicates that the use of mMST provides a significant advantage over MST in that the mMST will not concentrate enriched uranium to the degree that MST does. The reduced affinity of mMST for uranium allows more operational flexibility in treating waste solutions from a nuclear criticality safety perspective. Testing results also indicate that the mMST exhibits good shelf-life with no measurable loss in plutonium and neptunium removal upon storage of samples at ambient laboratory temperatures for up to 30-months. Testing did exhibit a change in strontium removal performance for both the mMST and MST samples at the most recent testing event. However, the decrease in strontium removal performance proved lower for the mMST than the MST sample. Given these positive findings SRNL recommends continued development of mMST as a replacement for MST in pretreatment facilities at the Savannah River Site (SRS).

Chemical Pretreatment of Nuclear Waste for Disposal

Author : E.P. Horwitz
Publisher : Springer Science & Business Media
ISBN 13 : 1461525268
Total Pages : 210 pages
Book Rating : 4.4/5 (615 download)

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Book Synopsis Chemical Pretreatment of Nuclear Waste for Disposal by : E.P. Horwitz

Download or read book Chemical Pretreatment of Nuclear Waste for Disposal written by E.P. Horwitz and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt: Chemical pretreatment of nuclear wastes refers to the sequence of separations processes used to partition such wastes into a small volume of high-level waste for deep geologic disposal and a larger volume of low-level waste for disposal in a near-surface facility. Pretreatment of nuclear wastes now stored at several U. S. Department of Energy sites ranges from simple solid-liquid separations to more complex chemical steps, such as dissolution of sludges and removal of selected radionuclides, e. g. , 90Sr, 99Tc, 137CS, and TRU (transuranium) elements. The driving force for development of chemical pretreatment processes for nuclear wastes is the economic advantage of waste minimization as reflected in lower costs for near-surface disposal compared to the high cost of disposing of wastes in a deep geologic repository. This latter theme is expertly and authoritatively discussed in the introductory paper by J. and L. Bell. Seven papers in this volume describe several separations processes developed or being developed to pretreat the large volume of nuclear wastes stored at the US DOE Hanford and Savannah River sites. These papers include descriptions of the type and amount of important nuclear wastes stored at the Hanford and Savannah River sites as well as presently envisioned strategies for their treatment and final disposal. A paper by Strachan et al. discusses chemical and radiolytic mechanisms for the formation and release of potentially explosive hydrogen gas in Tank 241-SY-101 at the Hanford site.

Research and Technology

Author : Goddard Space Flight Center
Publisher :
ISBN 13 :
Total Pages : 288 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Research and Technology by : Goddard Space Flight Center

Download or read book Research and Technology written by Goddard Space Flight Center and published by . This book was released on 1990 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Industrial Process Profiles for Environmental Use

Author : PEDCo Environmental, Inc
Publisher :
ISBN 13 :
Total Pages : 156 pages
Book Rating : 4.3/5 (121 download)

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Book Synopsis Industrial Process Profiles for Environmental Use by : PEDCo Environmental, Inc

Download or read book Industrial Process Profiles for Environmental Use written by PEDCo Environmental, Inc and published by . This book was released on 1980 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Handbook of Maleic Anhydride Based Materials

Author : Osama M. Musa
Publisher : Springer
ISBN 13 : 3319294547
Total Pages : 642 pages
Book Rating : 4.3/5 (192 download)

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Book Synopsis Handbook of Maleic Anhydride Based Materials by : Osama M. Musa

Download or read book Handbook of Maleic Anhydride Based Materials written by Osama M. Musa and published by Springer. This book was released on 2016-09-22 with total page 642 pages. Available in PDF, EPUB and Kindle. Book excerpt: A handbook on syntheses and properties, production processes, and applications of maleic anhydride and maleic anhydride derived products – all in one text. This handbook provides a comprehensive overview of maleic anhydride chemistry and applications from the professional perspective. With chapters written by leading R&D scientists from the chemical industry, and edited by the Vice President and ASI Technology Chief at Ashland Specialty Ingredients (ASI), Dr. Osama M. Musa, readers will find a unique perspective and summary of the latest advancements in the field of maleic anhydride science. Maleic anhydride is produced industrially on large scale (10E3 kt/annum). Its rich chemistry makes it an important raw material for numerous products and processes (e.g. for applications in polymers and coatings), many of which are covered in this handbook for the first time in a comprehensive manner. The broad scope spans topics ranging from production techniques (including topics such as processes, catalysis, trouble-shooting), synthesis and properties of small and polymeric maleic anhydride based compounds (focusing on industrially relevant compounds as well as emerging areas of importance) and in-depth and broad discussions of commercial maleic anhydride based applications.

Surface Coatings

Author : Oil and Colour Chemists Association of Australia St
Publisher : Springer Science & Business Media
ISBN 13 : 9401169403
Total Pages : 417 pages
Book Rating : 4.4/5 (11 download)

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Book Synopsis Surface Coatings by : Oil and Colour Chemists Association of Australia St

Download or read book Surface Coatings written by Oil and Colour Chemists Association of Australia St and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 417 pages. Available in PDF, EPUB and Kindle. Book excerpt: Arising from an examination in 1969 of the education and trammg opportumtles for paint industry technicians, it was recognized that the various courses available at that time did not fully serve their needs. While a few large companies had developed in-house training arrangements, the many medium and smaller fi.rms in the raw material supply, paint manufacturing or paint user industries, were unable to provide their own comprehensive training programs. With a view to improving this situation, an advisory committee comprising ofrepresentatives of the Australian Paint Manufacturers' Federation and the Oil and Colour Chemists' Association Australia was established to liaise directly with the New South Wales Department of Technical and Further Education. As a result plans were developed for the introduction of a Special Course in 'Surface Coatings Technology' in 1971, conducted by the Sydney Technical College. The scope of the course was designed to cover all aspects of surface coatings technology ranging from raw materials and formulations to the production, testing, evaluation, application and use of finished products. The course proved to be highly successful and in 1973 a similar syllabus was introduced by the Melboume School of Painting, Decorating and Signcrafts in Victoria. In 1980, New Zealand followed suit with a similar course conducted by the Auckland Technical Institute.

Essentials in Fermentation Technology

Author : Aydin Berenjian
Publisher : Springer
ISBN 13 : 3030162303
Total Pages : 320 pages
Book Rating : 4.0/5 (31 download)

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Book Synopsis Essentials in Fermentation Technology by : Aydin Berenjian

Download or read book Essentials in Fermentation Technology written by Aydin Berenjian and published by Springer. This book was released on 2019-07-15 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: This textbook teaches the principles and applications of fermentation technology, bioreactors, bioprocess variables and their measurement, key product separation and purification techniques as well as bioprocess economics in an easy to understand way. The multidisciplinary science of fermentation applies scientific and engineering principles to living organisms or their useful components to produce products and services beneficial for our society. Successful exploitation of fermentation technology involves knowledge of microbiology and engineering. Thus the book serves as a must-have guide for undergraduates and graduate students interested in Biochemical Engineering and Microbial Biotechnology

Handbook of Environmental Analysis

Author : Pradyot Patnaik
Publisher : CRC Press
ISBN 13 : 1498745628
Total Pages : 661 pages
Book Rating : 4.4/5 (987 download)

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Book Synopsis Handbook of Environmental Analysis by : Pradyot Patnaik

Download or read book Handbook of Environmental Analysis written by Pradyot Patnaik and published by CRC Press. This book was released on 2017-08-23 with total page 661 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Handbook will cover all aspects of environmental analysis and will examine the emergence of many new classes of pollutants in recent years. It will provide information on an array of topics from instrumentation, analytical techniques, and sample preparations to statistical calculations, chemical structures, and equations. It will present the tools and techniques required to measure a wide range of toxic pollutants in our environment. It will be fully revised throughout, and will add four new chapters (Microbial Analysis, Chlorophyll, Chlorine, Chloramines and Chlorine Dioxide, and Derivatization Reactions in Environmental Analysis).

Medical Imaging for Health Professionals

Author : Raymond M. Reilly
Publisher : John Wiley & Sons
ISBN 13 : 1119120284
Total Pages : 552 pages
Book Rating : 4.1/5 (191 download)

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Book Synopsis Medical Imaging for Health Professionals by : Raymond M. Reilly

Download or read book Medical Imaging for Health Professionals written by Raymond M. Reilly and published by John Wiley & Sons. This book was released on 2019-02-06 with total page 552 pages. Available in PDF, EPUB and Kindle. Book excerpt: Describes the most common imaging technologies and their diagnostic applications so that pharmacists and other health professionals, as well as imaging researchers, can understand and interpret medical imaging science This book guides pharmacists and other health professionals and researchers to understand and interpret medical imaging. Divided into two sections, it covers both fundamental principles and clinical applications. It describes the most common imaging technologies and their use to diagnose diseases. In addition, the authors introduce the emerging role of molecular imaging including PET in the diagnosis of cancer and to assess the effectiveness of cancer treatments. The book features many illustrations and discusses many patient case examples. Medical Imaging for Health Professionals: Technologies and Clinical Applications offers in-depth chapters explaining the basic principles of: X-Ray, CT, and Mammography Technology; Nuclear Medicine Imaging Technology; Radionuclide Production and Radiopharmaceuticals; Magnetic Resonance Imaging (MRI) Technology; and Ultrasound Imaging Technology. It also provides chapters written by expert radiologists in well-explained terminology discussing clinical applications including: Cardiac Imaging; Lung Imaging; Breast Imaging; Endocrine Gland Imaging; Abdominal Imaging; Genitourinary Tract Imaging; Imaging of the Head, Neck, Spine and Brain; Musculoskeletal Imaging; and Molecular Imaging with Positron Emission Tomography (PET). Teaches pharmacists, health professionals, and researchers the basics of medical imaging technology Introduces all of the customary imaging tools—X-ray, CT, ultrasound, MRI, SPECT, and PET—and describes their diagnostic applications Explains how molecular imaging aids in cancer diagnosis and in assessing the effectiveness of cancer treatments Includes many case examples of imaging applications for diagnosing common diseases Medical Imaging for Health Professionals: Technologies and Clinical Applications is an important resource for pharmacists, nurses, physiotherapists, respiratory therapists, occupational therapists, radiological or nuclear medicine technologists, health physicists, radiotherapists, as well as researchers in the imaging field.