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Leaching Of Titanium From Monosodium Titanate And Modified Mst
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Book Synopsis LEACHING OF TITANIUM FROM MONOSODIUM TITANATE AND MODIFIED MST. by :
Download or read book LEACHING OF TITANIUM FROM MONOSODIUM TITANATE AND MODIFIED MST. written by and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Analysis of a fouled coalescer and pre-filters from Actinide Removal Process/Modular Caustic Side Solvent Extraction Unit (ARP/MCU) operations showed evidence of Ti containing solids. Based on these results a series of tests were planned to examine the extent of Ti leaching from monosodium titanate (MST) and modified monosodium titanate (mMST) in various solutions. The solutions tested included a series of salt solutions with varying free hydroxide concentrations, two sodium hydroxide concentrations, 9 wt % and 15 wt %, nitric and oxalic acid solutions. Overall, the amount of Ti leached from the MST and mMST was much greater in the acid solutions compared to the sodium hydroxide or salt solutions, which is consistent with the expected trend. The leaching data also showed that increasing hydroxide concentration, whether pure NaOH solution used for filter cleaning in ARP or the waste salt solution, increased the amount of Ti leached from both the MST and mMST. For the respective nominal contact times with the MST solids - for filter cleaning or the normal filter operation, the dissolved Ti concentrations are comparable suggesting either cause may contribute to the increased Ti fouling on the MCU coalescers. Tests showed that Ti containing solids could be precipitated from solution after the addition of scrub acid and a decrease in temperature similar to expected in MCU operations. FTIR analysis of these solids showed some similarity to the solids observed on the fouled coalescer and pre-filters. Although only a cursory study, this information suggests that the practice of increasing free hydroxide in feed solutions to MCU as a mitigation to aluminosilicate formation may be offset by the impact of formation of Ti solids in the overall process. Additional consideration of this finding from MCU and SWPF operation is warranted.
Book Synopsis Rheology Of MonoSodium Titanate (MST) And Modified Mst (mMST) Mixtures Relevant To The Salt Waste Processing Facility by :
Download or read book Rheology Of MonoSodium Titanate (MST) And Modified Mst (mMST) Mixtures Relevant To The Salt Waste Processing Facility written by and published by . This book was released on 2013 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Savannah River National Laboratory performed measurements of the rheology of suspensions and settled layers of treated material applicable to the Savannah River Site Salt Waste Processing Facility. Suspended solids mixtures included monosodium titanate (MST) or modified MST (mMST) at various solid concentrations and soluble ion concentrations with and without the inclusion of kaolin clay or simulated sludge. Layers of settled solids were MST/sludge or mMST/sludge mixtures, either with or without sorbed strontium, over a range of initial solids concentrations, soluble ion concentrations, and settling times.
Book Synopsis DEVELOPMENT OF MONOSODIUM TITANATE (MST) PURCHASE SPECIFICATIONS. by : D. Hobbs
Download or read book DEVELOPMENT OF MONOSODIUM TITANATE (MST) PURCHASE SPECIFICATIONS. written by D. Hobbs and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Savannah River National Laboratory (SRNL) evaluated the previous monosodium titanate (MST) purchase specifications for particle size and strontium decontamination factor. Based on the measured particle size and filtration performance characteristics of several MST samples with simulated waste solutions and various filter membranes we recommend changing the particle size specification as follows. The recommended specification varies with the size and manufacturer of the filter membrane as shown below. We recommend that future batches of MST received at SRS be tested for particle size and filtration performance. This will increase the available database and provide increased confidence that particle size parameters are an accurate prediction of filtration performance. Testing demonstrated the feasibility of a non-radiochemical method for evaluating strontium removal performance of MST samples. Using this analytical methodology we recommend that the purchase specification include the requirement that the MST exhibits a strontium DF factor of>1.79 upon contact with a simulated waste solution with composition as reported for simulated waste solution SWS-7-2005-1 in Table 1 and containing 5.2 to 5.7 mg L{sup -1} strontium with 0.1 g L{sup -1} of the MST. We also recommend performing additional tests with these simulants and MST samples and, if available, new MST samples, to determine the reproducibility and increase the available database for the measurements by the ICP-ES instrument. These measurements will provide increased confidence that the non-radiological method provides a reliable method for evaluating the strontium and actinide removal performance for MST samples.
Book Synopsis Environmental Applications of Nanomaterials by : Glen E. Fryxell
Download or read book Environmental Applications of Nanomaterials written by Glen E. Fryxell and published by World Scientific. This book was released on 2012 with total page 751 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is concerned with functional nanomaterials, materials containing specific, predictable nanostructures whose chemical composition, or interfacial structure enables them to perform a specific job: to destroy, sequester, or detect some material that constitutes an environmental threat. Nanomaterials have a number of features that make them ideally suited for this job: they have a high surface area, high reactivity, easy dispersability, and rapid diffusion,to name a few. The purpose of this book is to showcase how these features can be tailored to address some of the environmental remediation and sensing/detection problems faced by mankind today. A number of leading researchers have contributed to this volume, painting a picture of diverse synthetic strategies, structures, materials, and methods. The intent of this book is to showcase the current state of environmental nanomaterials in such a way as to be useful either as a research resource, or as a graduate level textbook. We have organized this book into sections on nanoparticle-based remediation strategies, nanostructured inorganic materials (e.g. layered materials like the apatites), nanostructured organic/inorganic hybrid materials, and the use of nanomaterials to enhance the performance of sensors.
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:
Book Synopsis Hydrogen Energy and Fuel Cells by : European Commission. Directorate General for Research
Download or read book Hydrogen Energy and Fuel Cells written by European Commission. Directorate General for Research and published by . This book was released on 2003 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Chemical Metallurgy by : Chiranjib Kumar Gupta
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Book Synopsis Ramjet Engines by : Mikhail Makarovich Bondari͡u︡k
Download or read book Ramjet Engines written by Mikhail Makarovich Bondari͡u︡k and published by . This book was released on 1969 with total page 466 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Extractive Metallurgy of Copper by : Anil Kumar Biswas
Download or read book Extractive Metallurgy of Copper written by Anil Kumar Biswas and published by Oxford ; Toronto : Pergamon. This book was released on 1980 with total page 474 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Chemical Composition of the Atmospheric Aerosol by : Kenneth A. Rahn
Download or read book The Chemical Composition of the Atmospheric Aerosol written by Kenneth A. Rahn and published by . This book was released on 1976 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Caries Preventive Strategies by : M. A. Pollard
Download or read book Caries Preventive Strategies written by M. A. Pollard and published by Ilsi Press. This book was released on 1995 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Membrane Characterization by : Nidal Hilal
Download or read book Membrane Characterization written by Nidal Hilal and published by Elsevier. This book was released on 2017-02-18 with total page 460 pages. Available in PDF, EPUB and Kindle. Book excerpt: Membrane Characterization provides a valuable source of information on how membranes are characterized, an extremely limited field that is confined to only brief descriptions in various technical papers available online. For the first time, readers will be able to understand the importance of membrane characterization, the techniques required, and the fundamental theory behind them. This book focuses on characterization techniques that are normally used for membranes prepared from polymeric, ceramic, and composite materials. - Features specific details on many membrane characterization techniques for various membrane materials of industrial and academic interest - Contains examples of international best practice techniques for the evaluation of several membrane parameters, including pore size, charge, and fouling - Discusses various membrane models more suitable to a specific application - Provides examples of ab initio calculations for the design, optimization, and scale-up of processes based on characterization data
Book Synopsis Nuclear Magnetic Resonance Shift Reagents by : Robert Sievers
Download or read book Nuclear Magnetic Resonance Shift Reagents written by Robert Sievers and published by Elsevier. This book was released on 2012-12-02 with total page 425 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nuclear Magnetic Shift Reagents presents the proceedings of the Symposium on the Chemistry of Nuclear Magnetic Resonance Shift Reagents, held in Dallas, Texas, on April 9–11, 1973. This book discusses the fundamental aspects of shift reagent chemistry as well as the physical and chemical properties of shift reagents. Comprised of 16 chapters, this compilation of papers starts with an overview of the deuterium isotope effect in lanthanide shifts. This text then examines the variations in coordination geometries for chemically equivalent molecules of shift reagent-substrate complexes in the solid state, which illustrate the ease with which changes occur in the coordination sphere of lanthanide complexes. Other chapters discuss the dipolar nature of proton resonance shifts in lanthanide shift reagent systems. This book considers as well the feasibility of using chiral shift reagents. The final chapter deals with the effects of chemical equilibrium and adduct stoichiometry in studies of shift reagent. Chemists, biochemists, and molecular physicists will find this book useful.
Book Synopsis Standardization of Potassium Permanganate Solution by Sodium Oxalate by : Russell Smith McBridge
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Book Synopsis Electrospun Nanofibers by : Mehdi Afshari
Download or read book Electrospun Nanofibers written by Mehdi Afshari and published by Woodhead Publishing. This book was released on 2016-09-13 with total page 650 pages. Available in PDF, EPUB and Kindle. Book excerpt: Electrospun Nanofibers covers advances in the electrospinning process including characterization, testing and modeling of electrospun nanofibers, and electrospinning for particular fiber types and applications. Electrospun Nanofibers offers systematic and comprehensive coverage for academic researchers, industry professionals, and postgraduate students working in the field of fiber science. Electrospinning is the most commercially successful process for the production of nanofibers and rising demand is driving research and development in this field. Rapid progress is being made both in terms of the electrospinning process and in the production of nanofibers with superior chemical and physical properties. Electrospinning is becoming more efficient and more specialized in order to produce particular fiber types such as bicomponent and composite fibers, patterned and 3D nanofibers, carbon nanofibers and nanotubes, and nanofibers derived from chitosan. - Provides systematic and comprehensive coverage of the manufacture, properties, and applications of nanofibers - Covers recent developments in nanofibers materials including electrospinning of bicomponent, chitosan, carbon, and conductive fibers - Brings together expertise from academia and industry to provide comprehensive, up-to-date information on nanofiber research and development - Offers systematic and comprehensive coverage for academic researchers, industry professionals, and postgraduate students working in the field of fiber science
Book Synopsis Air Cleaning Conference by : U.S. Atomic Energy Commission
Download or read book Air Cleaning Conference written by U.S. Atomic Energy Commission and published by . This book was released on 1967 with total page 616 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Pediatric Uroradiology by : R. Fotter
Download or read book Pediatric Uroradiology written by R. Fotter and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 770 pages. Available in PDF, EPUB and Kindle. Book excerpt: The text is specifically devoted to pediatric urogenital radiology. It covers all aspects of the subject in great depth, and contains essential information for the pediatrician, pediatric surgeon, and urologist. It is specifically designed to aid the clinician in decisions on imaging management. The technique and current value of all imaging and interventional procedures are presented, and the diverse problems associated with the changing anatomy, physiology, and pathophysiology of the growing organism are explained. Throughout, additional information is provided on operative options, postoperative complications, and clinical and radiological normal values. This book will prove of great interest to all who are involved in caring for children.
