Search Results - "Manuel Miguirditchian"
-
1
An overview of solvent extraction processes developed in Europe for advanced nuclear fuel recycling, part 1 - heterogeneous recycling
Published in Separation science and technology (24-07-2021)“…The hydrometallurgical separation concepts for the heterogeneous recycling of irradiated nuclear fuel developed in Europe are presented and discussed. Most of…”
Get full text
Journal Article -
2
Americium Recovery from Highly Active PUREX Raffinate by Solvent Extraction: The EXAm Process. A Review of 10 Years of R&D
Published in Solvent extraction and ion exchange (06-06-2020)“…In the framework of the R&D program conducted in France on partitioning and transmutation of minor actinides, a solvent extraction process was developed for…”
Get full text
Journal Article -
3
Quantification of Lanthanides on a PMMA Microfluidic Device with Three Optical Pathlengths Using PCR of UV–Visible, NIR, and Raman Spectroscopy
Published in ACS omega (17-09-2024)“…Microfluidic devices (MFDs) offer customizable, low-cost, and low-waste platforms for performing chemical analyses. Optical spectroscopy techniques provide…”
Get full text
Journal Article -
4
Uranium Extraction from Phosphoric Acid Using Bifunctional Amido-Phosphonic Acid Ligands
Published in Solvent extraction and ion exchange (29-07-2014)“…Ligand systems containing amido-phosphonic acid moieties were synthesized for subsequent U(VI) extraction from phosphoric acid solutions. Studies have shown…”
Get full text
Journal Article -
5
New Bitopic Ligands for the Group Actinide Separation by Solvent Extraction
Published in Solvent extraction and ion exchange (18-03-2011)“…The synthesis and evaluation of solvent extraction performance of N,N,N′,N′-tetraalkyl-6,6″-(2,2′:6′,2″-terpyridine)diamides and…”
Get full text
Journal Article -
6
Thermodynamic Study of the Complexation of Trivalent Actinide and Lanthanide Cations by ADPTZ, a Tridentate N-Donor Ligand
Published in Inorganic chemistry (07-03-2005)“…To better understand the bonding in complexes of f-elements by polydentate N-donor ligands, the complexation of americium(III) and lanthanide(III) cations by…”
Get full text
Journal Article -
7
Iron(III) and neodymium co-extraction mechanism with TODGA from chloride medium
Published in Separation and purification technology (19-02-2025)“…[Display omitted] •Fe(III) and Nd(III) co-extraction in chloride media.•Spectroscopic analyses show the replacement of Cl- by FeCl4- in the organic phase.•The…”
Get full text
Journal Article -
8
Iron(III) and neodymium co-extraction mechanism with TODGA from chloride medium
Published in Separation and purification technology (01-02-2025)Get full text
Journal Article -
9
Distribution of plutonium, americium and interfering fission products between nitric acid and a mixed organic phase of TODGA and DMDOHEMA in kerosene, and implications for the design of the “EURO-GANEX” process
Published in Hydrometallurgy (01-02-2015)“…For the homogeneous recycling of actinides from spent nuclear fuels, within the future nuclear fuel cycle based on a transition to fast neutron reactors, a new…”
Get full text
Journal Article -
10
An overview of solvent extraction processes developed in Europe for advanced nuclear fuel recycling, Part 2 - homogeneous recycling
Published in Separation science and technology (24-07-2022)“…The hydrometallurgical separation concepts for the recycling of irradiated nuclear fuels developed in Europe are presented and discussed. Whilst Part 1 of the…”
Get full text
Journal Article -
11
Uranium (III)-Plutonium (III) co-precipitation in molten chloride
Published in Journal of nuclear materials (01-02-2018)“…Co-management of the actinides in an integrated closed fuel cycle by a pyrochemical process is studied at the laboratory scale in France in the CEA-ATALANTE…”
Get full text
Journal Article -
12
Separation of Am (III) by solvent extraction using water-soluble H4tpaen derivatives
Published in Tetrahedron (01-08-2015)“…The water-soluble ligand N,N,N′,N′-tetrakis[(6-carboxypyridin-2-yl)methyl]ethylenediamine (H4tpaen) and its derivatives were synthesized and evaluated for…”
Get full text
Journal Article -
13
Modeling and Speciation Study of Uranium(VI) and Technetium(VII) Coextraction with DEHiBA
Published in Inorganic chemistry (05-07-2016)“…The N,N-dialkylamide DEHiBA (N,N-di-2-ethylhexyl-isobutyramide) is a promising alternative extractant to TBP (tri-n-butylphosphate) to selectively extract…”
Get full text
Journal Article -
14
Microfluidic In-Situ Spectrophotometric Approaches to Tackle Actinides Analysis in Multiple Oxidation States
Published in Applied spectroscopy (01-05-2022)“…The study and development of present and future processes for the treatment/recycling of spent nuclear fuels require many steps, from design in the laboratory…”
Get full text
Journal Article -
15
Development of a Selective Americium Separation Process Using H4TPAEN as Water-Soluble Stripping Agent
Published in Solvent extraction and ion exchange (29-07-2019)“…Recycling americium from spent nuclear fuel is considered as an important option for a future sustainable nuclear fuel cycle. The PUREX solvent extraction…”
Get full text
Journal Article -
16
Uranium (III) precipitation in molten chloride by wet argon sparging
Published in Journal of nuclear materials (01-06-2016)“…In the context of pyrochemical processes for nuclear fuel treatment, the precipitation of uranium (III) in molten salt LiCl-CaCl2 (30–70 mol%) at 705 °C is…”
Get full text
Journal Article -
17
Microfluidic in-situ spectrophometric approaches to tackle actinides analysis in multiple oxidation states
Published in Journal of applied spectroscopy (2022)“…The study and development of present and future processes for the treatment/recycling of spent nuclear fuels require many steps, from design in the laboratory…”
Get full text
Journal Article -
18
Recovery of uranium (VI) from concentrated phosphoric acid using bifunctional reagents
Published in Hydrometallurgy (01-08-2017)“…The current standard for the recovery of uranium from phosphoric acid is the so-called URPHOS process, where the solvent is a synergistic mixture of 0.5M…”
Get full text
Journal Article -
19
Complexation of Lanthanides(III), Americium(III), and Uranium(VI) with Bitopic N,O Ligands: an Experimental and Theoretical Study
Published in Inorganic chemistry (18-07-2011)“…New functionalized terpyridine-diamide ligands were recently developed for the group actinide separation by solvent extraction. In order to acquire a better…”
Get full text
Journal Article -
20
Production of Metallic Titanium by Electrowinning in Molten Salts of Titanium Oxycarbide Anode
Published in Materials Proceedings (01-12-2021)“…The electrochemical behavior of Ti3+ in LiCl-LiF-TiF3 salt was investigated by cyclic and square wave voltammetries at 853 K. Both methods confirm the presence…”
Get full text
Journal Article