Aqueous Pyridine Ligands For Actinide Lanthanide Separations

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Aqueous Pyridine Ligands for Actinide Lanthanide Separations

Author : Nicolas Edwin F. Uhnak
Publisher :
ISBN 13 :
Total Pages : 208 pages
Book Rating : 4.:/5 (969 download)

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Book Synopsis Aqueous Pyridine Ligands for Actinide Lanthanide Separations by : Nicolas Edwin F. Uhnak

Download or read book Aqueous Pyridine Ligands for Actinide Lanthanide Separations written by Nicolas Edwin F. Uhnak and published by . This book was released on 2016 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt: Aromatic nitrogen donor (pyridine based) ligands have shown improved binding and dissociation kinetics over their aliphatic counterparts, and competitive complexation strength that make them a suitable replacement for traditional PAPC ligands in TALSPEAK and TALSPEAK-like extraction systems. To this end new pyridine and bipyridine based ligands have been synthesized to be used as actinide selective complexants when paired with a TALSPEAK or TALSPEAK-like solvent. Aqueous solubility limitations inherent to pyridine based ligands have been overcome by the addition of solubilizing functional groups such as 1-methylpiperazine, and iminodiacetic acid. Newly synthesized pyridine ligands have been characterized and evaluated in TALSPEAK or TALSPEAK-like combined extractant systems TALSPEAK-MME (Mixed Monofunctional Extractant) and ALSEP (Actinide Lanthanide SEParation) using radiotracer and stable metal solvent extraction studies. The findings of these studies and their implications to MA/Ln separation techniques are discussed in this dissertation.

Advanced Extraction Methods for Actinide/lanthanide Separations

Author : Michael J. Scott
Publisher :
ISBN 13 :
Total Pages : 102 pages
Book Rating : 4.3/5 (126 download)

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Book Synopsis Advanced Extraction Methods for Actinide/lanthanide Separations by : Michael J. Scott

Download or read book Advanced Extraction Methods for Actinide/lanthanide Separations written by Michael J. Scott and published by . This book was released on 2005 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Characterizing Mixed Ligand F-Element Complexes for Improved Actinide(III)/Lanthanide(III) Separations

Author : Ian Michael Hobbs
Publisher :
ISBN 13 :
Total Pages : 206 pages
Book Rating : 4.:/5 (15 download)

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Book Synopsis Characterizing Mixed Ligand F-Element Complexes for Improved Actinide(III)/Lanthanide(III) Separations by : Ian Michael Hobbs

Download or read book Characterizing Mixed Ligand F-Element Complexes for Improved Actinide(III)/Lanthanide(III) Separations written by Ian Michael Hobbs and published by . This book was released on 2017 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt: Seaborg and coworkers established in the 1950s that the most effective approach to accomplishing a lanthanide trivalent actinide group separation was to introduce donor atoms softer than oxygen, specifically Cl-- , into a low selectivity separation platform like Dowex 50 cation exchange resin. This soft-donor effect was attributed to the slightly stronger covalent contribution in the bonding of actinides to such ligands. A decade later, Weaver and Kappelmann developed the TALSPEAK concept, based on the introduction of multiple N-donor holdback reagents, like DTPA (diethylenetriamine pentaacetic acid) to accomplish a similar separation. Though the chemistry of TALSPEAK is more complex than the soft donor-cation exchange separation, it did enable a potentially high throughput countercurrent solvent extraction approach to An(III)/Ln(III) separations with high separation factors. Because the covalency effect is relatively weak (7--8% increased bonding affinity for An(III) over similarly-sized Ln(III)), the adoption of reagents with more N-donor atoms increases separation efficiency. However, the octadentate DTPA suffers from some issues arising from the comparatively slow complexation/decomplexation kinetics of complex molecules. In the Advanced TALSPEAK system, the primary aqueous holdback reagent is HEDTA ((2 hyroxyethyl)ethylenediaminetriacetic acid), a pentadentate aminopolycarboxylate ligand, with three water molecules completing the cation coordination environment. The Ln(HEDTA)(OH2) 3 aqueous complex leaves room for the addition of a secondary soft donor ligand, for example iminodiacetic acid. In this report, selected results of an investigation of the thermodynamics and kinetics of such ternary complexes and their impact on Advanced TALSPEAK separations will be described.

Recent Progress In Actinides Separation Chemistry - Proceedings Of The Workshop On Actinides Solution Chemistry, Wasc '94

Author : Zenko Yoshida
Publisher : World Scientific
ISBN 13 : 9814547603
Total Pages : 262 pages
Book Rating : 4.8/5 (145 download)

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Book Synopsis Recent Progress In Actinides Separation Chemistry - Proceedings Of The Workshop On Actinides Solution Chemistry, Wasc '94 by : Zenko Yoshida

Download or read book Recent Progress In Actinides Separation Chemistry - Proceedings Of The Workshop On Actinides Solution Chemistry, Wasc '94 written by Zenko Yoshida and published by World Scientific. This book was released on 1997-05-03 with total page 262 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book brings together some of the latest developments in solution chemistry and separation chemistry of f-block elements, which include (i) new solvent extraction systems and extractants for the separation of actinide and lanthanide elements, (ii) novel approach for fundamental solution chemistry study of solvent extraction reactions, and (iii) separation methods of new principle for f-block elements.

Lanthanides And Actinides, The: Synthesis, Reactivity, Properties And Applications

Author : Stephen T Liddle
Publisher : World Scientific
ISBN 13 : 1800610173
Total Pages : 727 pages
Book Rating : 4.8/5 (6 download)

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Book Synopsis Lanthanides And Actinides, The: Synthesis, Reactivity, Properties And Applications by : Stephen T Liddle

Download or read book Lanthanides And Actinides, The: Synthesis, Reactivity, Properties And Applications written by Stephen T Liddle and published by World Scientific. This book was released on 2021-12-30 with total page 727 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Lanthanides and Actinides: Synthesis, Reactivity, Properties and Applications constitutes an introduction to and comprehensive coverage of f-block chemistry encompassing the following areas: periodicity, natural occurrence and extraction, separations, electronic structure, coordination chemistry, organometallic chemistry, small molecule activation, catalysis, organic synthesis applications, magnetism, spectroscopy, computation, materials, photonics, solar cell technology, biological imaging, and technological applications. Under these subject areas the book provides a broad but deep coverage, providing basic overviews as well as detailed chapters on specific areas.This book, targeted at academics, postgraduates and advanced undergraduates, will serve as an ideal introductory text and key reference work to the Lanthanides and Actinides.

Lanthanides and Actinides

Author : K. W. Bagnall
Publisher :
ISBN 13 :
Total Pages : 394 pages
Book Rating : 4.3/5 (243 download)

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Book Synopsis Lanthanides and Actinides by : K. W. Bagnall

Download or read book Lanthanides and Actinides written by K. W. Bagnall and published by . This book was released on 1972 with total page 394 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Extraction Chromatography

Author :
Publisher : Elsevier
ISBN 13 : 0080858023
Total Pages : 585 pages
Book Rating : 4.0/5 (88 download)

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Book Synopsis Extraction Chromatography by :

Download or read book Extraction Chromatography written by and published by Elsevier. This book was released on 1975-06-01 with total page 585 pages. Available in PDF, EPUB and Kindle. Book excerpt: Extraction Chromatography

Innovative SANEX process for trivalent actinides separation from PUREX raffinate

Author : Michał Sypuła
Publisher : Forschungszentrum Jülich
ISBN 13 : 3893369279
Total Pages : 229 pages
Book Rating : 4.8/5 (933 download)

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Book Synopsis Innovative SANEX process for trivalent actinides separation from PUREX raffinate by : Michał Sypuła

Download or read book Innovative SANEX process for trivalent actinides separation from PUREX raffinate written by Michał Sypuła and published by Forschungszentrum Jülich. This book was released on 2014-03-27 with total page 229 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recycling of nuclear spent fuel and reduction of its radiotoxicity by separation of long-lived radionuclides would definitely help to close the nuclear fuel cycle ensuring sustainability of the nuclear energy. Partitioning of the main radiotoxicity contributors followed by their conversion into short-lived radioisotopes is known as partitioning and transmutation strategy. To ensure efficient transmutation of the separated elements (minor actinides) the content of lanthanides in the irradiation targets has to be minimised. This objective can be attained by solvent extraction using highly selective ligands that are able to separate these two groups of elements from each other. The objective of this study was to develop a novel process allowing co-separation of minor actinides and lanthanides from a high active acidic feed solution with subsequent actinide recovery using just one cycle, so-called innovative SANEX process. The conditions of each step of the process were optimised to ensure high actinide separation efficiency. Additionally, screening tests of several novel lipophilic and hydrophilic ligands provided by University of Twente were performed. These tests were aiming in better understanding the influence of the extractant structural modifications onto An(III)/Ln(III) selectivity and complexation properties. ...

Trivalent Actinide/lanthanide Separation Using Hard/soft Donor Ligands

Author : William Forrest Smith
Publisher :
ISBN 13 :
Total Pages : 136 pages
Book Rating : 4.:/5 (533 download)

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Book Synopsis Trivalent Actinide/lanthanide Separation Using Hard/soft Donor Ligands by : William Forrest Smith

Download or read book Trivalent Actinide/lanthanide Separation Using Hard/soft Donor Ligands written by William Forrest Smith and published by . This book was released on 2003 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Chemistry of the Actinide and Transactinide Elements (3rd ed., Volumes 1-5)

Author : L.R. Morss
Publisher : Springer Science & Business Media
ISBN 13 : 1402035985
Total Pages : 4059 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis The Chemistry of the Actinide and Transactinide Elements (3rd ed., Volumes 1-5) by : L.R. Morss

Download or read book The Chemistry of the Actinide and Transactinide Elements (3rd ed., Volumes 1-5) written by L.R. Morss and published by Springer Science & Business Media. This book was released on 2007-12-31 with total page 4059 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Chemistry of the Actinide and Transactinide Elements is a contemporary and definitive compilation of chemical properties of all of the actinide elements, especially of the technologically important elements uranium and plutonium, as well as the transactinide elements. In addition to the comprehensive treatment of the chemical properties of each element, ion, and compound from atomic number 89 (actinium) through to 109 (meitnerium), this multi-volume work has specialized and definitive chapters on electronic theory, optical and laser fluorescence spectroscopy, X-ray absorption spectroscopy, organoactinide chemistry, thermodynamics, magnetic properties, the metals, coordination chemistry, separations, and trace analysis. Several chapters deal with environmental science, safe handling, and biological interactions of the actinide elements. The Editors invited teams of authors, who are active practitioners and recognized experts in their specialty, to write each chapter and have endeavoured to provide a balanced and insightful treatment of these fascinating elements at the frontier of the periodic table. Because the field has expanded with new spectroscopic techniques and environmental focus, the work encompasses five volumes, each of which groups chapters on related topics. All chapters represent the current state of research in the chemistry of these elements and related fields.

Multi-dentate Ligand Complexes of Lanthanide and Actinide Metal Ions

Author : Gwen Elizabeth Freeman
Publisher :
ISBN 13 :
Total Pages : 336 pages
Book Rating : 4.:/5 (29 download)

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Book Synopsis Multi-dentate Ligand Complexes of Lanthanide and Actinide Metal Ions by : Gwen Elizabeth Freeman

Download or read book Multi-dentate Ligand Complexes of Lanthanide and Actinide Metal Ions written by Gwen Elizabeth Freeman and published by . This book was released on 1985 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Solvent Extraction Principles and Practice, Revised and Expanded

Author : Jan Rydberg
Publisher : CRC Press
ISBN 13 : 9780203021460
Total Pages : 1216 pages
Book Rating : 4.0/5 (214 download)

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Book Synopsis Solvent Extraction Principles and Practice, Revised and Expanded by : Jan Rydberg

Download or read book Solvent Extraction Principles and Practice, Revised and Expanded written by Jan Rydberg and published by CRC Press. This book was released on 2004-03-03 with total page 1216 pages. Available in PDF, EPUB and Kindle. Book excerpt: A complete and up-to-date presentation of the fundamental theoretical principles and many applications of solvent extraction, this enhanced Solvent Extraction Principles and Practice, Second Edition includes new coverage of the recent developments in solvent extraction processes, the use of solvent extraction in analytical applications and waste re

Macrocyclic and Supramolecular Chemistry

Author : Reed M. Izatt
Publisher : John Wiley & Sons
ISBN 13 : 1119053846
Total Pages : 501 pages
Book Rating : 4.1/5 (19 download)

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Book Synopsis Macrocyclic and Supramolecular Chemistry by : Reed M. Izatt

Download or read book Macrocyclic and Supramolecular Chemistry written by Reed M. Izatt and published by John Wiley & Sons. This book was released on 2016-08-01 with total page 501 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book commemorates the 25th anniversary of the International Izatt-Christensen Award in Macrocyclic and Supramolecular Chemistry. The award, one of the most prestigious of small awards in chemistry, recognizes excellence in the developing field of macrocyclic and supramolecular chemistry Macrocyclic and Supramolecular Chemistry: How Izatt-Christensen Award Winners Shaped the Field features chapters written by the award recipients who provide unique perspectives on the spectacular growth in these expanding and vibrant fields of chemistry over the past half century, and on the role of these awardees in shaping this growth. During this time there has been an upsurge of interest in the design, synthesis and characterization of increasingly more complex macrocyclic ligands and in the application of this knowledge to understanding molecular recognition processes in host-guest chemistry in ways that were scarcely envisioned decades earlier. In October 2016, Professor Jean-Pierre Sauvage and Sir J. Fraser Stoddart (author for chapter 22 "Contractile and Extensile Molecular Systems: Towards Molecular Muscles" by Jean -Pierre Sauvage, Vincent Duplan, and Frédéric Niess and 20 "Serendipity" by Paul R. McGonigal and J. Fraser Stoddart respectively) were awarded the Nobel Prize in Chemistry alongside fellow Wiley author Bernard Feringa, for the design and synthesis of molecular machines.

Comprehensive Nuclear Materials

Author :
Publisher : Elsevier
ISBN 13 : 0081028660
Total Pages : 4871 pages
Book Rating : 4.0/5 (81 download)

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Book Synopsis Comprehensive Nuclear Materials by :

Download or read book Comprehensive Nuclear Materials written by and published by Elsevier. This book was released on 2020-07-22 with total page 4871 pages. Available in PDF, EPUB and Kindle. Book excerpt: Materials in a nuclear environment are exposed to extreme conditions of radiation, temperature and/or corrosion, and in many cases the combination of these makes the material behavior very different from conventional materials. This is evident for the four major technological challenges the nuclear technology domain is facing currently: (i) long-term operation of existing Generation II nuclear power plants, (ii) the design of the next generation reactors (Generation IV), (iii) the construction of the ITER fusion reactor in Cadarache (France), (iv) and the intermediate and final disposal of nuclear waste. In order to address these challenges, engineers and designers need to know the properties of a wide variety of materials under these conditions and to understand the underlying processes affecting changes in their behavior, in order to assess their performance and to determine the limits of operation. Comprehensive Nuclear Materials, Second Edition, Seven Volume Set provides broad ranging, validated summaries of all the major topics in the field of nuclear material research for fission as well as fusion reactor systems. Attention is given to the fundamental scientific aspects of nuclear materials: fuel and structural materials for fission reactors, waste materials, and materials for fusion reactors. The articles are written at a level that allows undergraduate students to understand the material, while providing active researchers with a ready reference resource of information. Most of the chapters from the first Edition have been revised and updated and a significant number of new topics are covered in completely new material. During the ten years between the two editions, the challenge for applications of nuclear materials has been significantly impacted by world events, public awareness, and technological innovation. Materials play a key role as enablers of new technologies, and we trust that this new edition of Comprehensive Nuclear Materials has captured the key recent developments. Critically reviews the major classes and functions of materials, supporting the selection, assessment, validation and engineering of materials in extreme nuclear environments Comprehensive resource for up-to-date and authoritative information which is not always available elsewhere, even in journals Provides an in-depth treatment of materials modeling and simulation, with a specific focus on nuclear issues Serves as an excellent entry point for students and researchers new to the field

Chromatographic Separation of the Lanthanide and Actinide Elements

Author : International Atomic Energy Agency
Publisher :
ISBN 13 :
Total Pages : 138 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Chromatographic Separation of the Lanthanide and Actinide Elements by : International Atomic Energy Agency

Download or read book Chromatographic Separation of the Lanthanide and Actinide Elements written by International Atomic Energy Agency and published by . This book was released on 1964 with total page 138 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Liquid-Phase Extraction

Author : Colin F. Poole
Publisher : Elsevier
ISBN 13 : 0128169125
Total Pages : 818 pages
Book Rating : 4.1/5 (281 download)

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Book Synopsis Liquid-Phase Extraction by : Colin F. Poole

Download or read book Liquid-Phase Extraction written by Colin F. Poole and published by Elsevier. This book was released on 2019-08-29 with total page 818 pages. Available in PDF, EPUB and Kindle. Book excerpt: Liquid Phase Extraction thoroughly presents both existing and new techniques in liquid phase extraction. It not only provides all information laboratory scientists need for choosing and utilizing suitable sample preparation procedures for any kind of sample, but also showcases the contemporary uses of sample preparation techniques in the most important industrial and academic project environments, including countercurrent chromatography, pressurized-liquid extraction, single-drop Microextraction, and more. Written by recognized experts in their respective fields, it serves as a one-stop reference for those who need to know which technique to choose for liquid phase extraction. Used in conjunction with a similar release, Solid Phase Extraction, it allows users to master this crucial aspect of sample preparation. - Defines the current state-of-the-art in extraction techniques and the methods and procedures for implementing them in laboratory practice - Includes extensive referencing that facilitates the identification of key information - Aimed at both entry-level scientists and those who want to explore new techniques and methods

Experimental and Theoretical Approaches to Actinide Chemistry

Author : John K. Gibson
Publisher : John Wiley & Sons
ISBN 13 : 111911554X
Total Pages : 670 pages
Book Rating : 4.1/5 (191 download)

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Book Synopsis Experimental and Theoretical Approaches to Actinide Chemistry by : John K. Gibson

Download or read book Experimental and Theoretical Approaches to Actinide Chemistry written by John K. Gibson and published by John Wiley & Sons. This book was released on 2018-01-08 with total page 670 pages. Available in PDF, EPUB and Kindle. Book excerpt: A review of contemporary actinide research that focuses on new advances in experiment and theory, and the interplay between these two realms Experimental and Theoretical Approaches to Actinide Chemistry offers a comprehensive review of the key aspects of actinide research. Written by noted experts in the field, the text includes information on new advances in experiment and theory and reveals the interplay between these two realms. The authors offer a multidisciplinary and multimodal approach to the nature of actinide chemistry, and explore the interplay between multiple experiments and theory, as well as between basic and applied actinide chemistry. The text covers the basic science used in contemporary studies of the actinide systems, from basic synthesis to state-of-the-art spectroscopic and computational techniques. The authors provide contemporary overviews of each topic area presented and describe the current and anticipated experimental approaches for the field, as well as the current and future computational chemistry and materials techniques. In addition, the authors explore the combination of experiment and theory. This important resource: Provides an essential resource the reviews the key aspects of contemporary actinide research Includes information on new advances in experiment and theory, and the interplay between the two Covers the basic science used in contemporary studies of the actinide systems, from basic synthesis to state-of-the-art spectroscopic and computational techniques Focuses on the interplay between multiple experiments and theory, as well as between basic and applied actinide chemistry Written for academics, students, professionals and researchers, this vital text contains a thorough review of the key aspects of actinide research and explores the most recent advances in experiment and theory.