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JP6312813B2 |
The invention relates to a method suitable for detecting, capturing and/or selectively releasing chemical elements selected from poor metals, alkalines, alkaline earths, actinides and rare earths. Said method involves a molecular assembl...
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JP6256875B2 |
To provide a method for separating rare earth elements capable of separating, from rare earth elements, radioactive substances included within a raw ingredient based on a simple method.In a method for mutually separating, from a source l...
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JP6251010B2 |
To provide a storage method capable of intermediately storing intermediate metal products in a dry process of producing metallic fast reactor fuel without substantially performing atmosphere management and temperature management, and a m...
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JP6216714B2 |
The invention relates to a process and a device for bringing two immiscible liquids into contact, without mixing and at high temperature, with heating and kneading by induction. In particular, the invention relates to a process and a dev...
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JP6172099B2 |
To provide a method for recovering scandium capable of easily and efficiently recovering high-quality scandium from nickel oxide ore.A method for recovering scandium includes leaching nickel oxide ore with sulfuric acid and passing the o...
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JP6141382B2 |
Provided herein are processes for recovering molybdenum and/or other value metals (e.g., uranium) present in aqueous solutions from a large range of concentrations: from ppm to grams per liter via a solvent extraction process by extracti...
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JP2017511786A |
U3O8, Hydrogen peroxide H2O2UO from the uranium oxide by the reaction with4An activation method for activation for conversion to a hydrate, the next continuous step a) U3O8Preparing an aqueous suspension containing the powder and hydroge...
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JPWO2015075798A1 |
Provided are an element separation method and an element separation system capable of reducing the amount of drainage while maintaining the separation performance of the target element. The element separation method of the present invent...
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JP6097180B2 |
To provide a reduction apparatus of a metal and reduction method of the metal, with which a metal oxide to be reduced is efficiently electrolytically reduced.A reduction apparatus 1 of a metal, in which an oxide of a target metal 4 being...
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JP6048855B2 |
Problem: To provide a material and a method for efficient and inexpensive extraction of rare metals that are included in urban minerals. A method for the extraction of lanthanoid elements and actinoid elements, said method comprising: an...
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JP6044978B2 |
To collect a metal in water at a low cost and in an arbitrary shape.A collection material is formed by mixing a polyallylamine-based polymer liquid material 2 with a solution of tannin (nutgall), and collects uranium in sea water and in ...
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JP6025868B2 |
There are provided processes for treating red mud. For example, the processes can comprise leaching red mud with HCl so as to obtain a leachate comprising ions of a first metal (for example aluminum) and a solid, and separating said soli...
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JP2016172882A |
To enable a rear earth element to be reused by efficiently separating and recovering the rear earth element in reprocessing of a fuel.A method for separating and recovering a rare earth element is provided that comprises: a precipitation...
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JP5944409B2 |
A method for preparing a powder of an alloy based on uranium and molybdenum in a metastable γ phase is provided, which comprises: a) putting at least one first reagent selected from uranium oxides and mixtures thereof, uranium fluorides...
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JP5938048B2 |
The main subject-matter of the present invention is a process for the dissolution of at least one element chosen from niobium and tantalum and at least one other element chosen from uranium and the rare earth elements, advantageously for...
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JP5935128B2 |
To collect uranium, a metal in seawater, at low costs.A metal in seawater is adsorbed by immersing a chip 2 bonded with tannin; the biomass adsorbed with the metal is burned to recover ashes; and the metal is separated from the ashes.
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JP2016102258A |
To provide a method for recovering a valuable metal (for example, uranium) from an aqueous solution having a wide range of concentration of ppm-a few grams per liter.An aqueous solution 1 is brought into contact with an organic phase sol...
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JP5923521B2 |
The invention relates to a powder of an alloy based on uranium and molybdenum in a metastable γ phase, which is formed of particles which have an elongation index at least equal to 1.1, a non-zero closed porosity value and which are com...
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JP2016075689A |
To provide a technology that has high safety and allows energy securement.The present invention provides: an apparatus that generates power by crushing a radioactive waste, forming it in a tabular shape, and attaching a semiconductor or ...
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JP5881603B2 |
Provided herein are processes for recovering molybdenum and/or other value metals (e.g., uranium) present in aqueous solutions from a large range of concentrations: from ppm to grams per liter via a solvent extraction process by extracti...
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JP5880131B2 |
Provided is a metal recovery process which makes it possible to recover objective metal elements efficiently from tin slag or other slag generated in metal refining. This metal recovery process is a process which is to be employed in rec...
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JP5867879B2 |
Problem: To provide a material and a method for efficient and inexpensive extraction of rare metals that are included in urban minerals. A method for the extraction of lanthanoid elements and actinoid elements, said method comprising: an...
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JP5851018B2 |
The invention relates to novel compounds useful as ligands of actinides and which meet general formula (I) hereinafter: where: R1 and R2=H, a C1 to C12 hydrocarbon group, a monocyclic aryl or aryl-(C1 to C6)alkyl group; R3, R4, R5 and R6...
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JP2015535886A |
A process for preparing alumina, in which the aluminum-containing material is leached with HCl to obtain a leachate and solid containing aluminum ions, magnesium ions, and the solid is separated from this leachate; MgCl2. A step of subst...
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JP5802204B2 |
A method for extracting at least one chemical element contained in a molten salt medium can include the following steps: a) putting the molten salt medium with the chemical element in contact with a monomer including at least one group a...
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JP5725332B2 |
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JP5631396B2 |
The invention relates to novel compounds which are useful as ligands of actinides, to the synthesis of these compounds and to their uses. These compounds fit the general formula (I) hereafter: wherein R1 and R2, either identical or diffe...
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JP5628522B2 |
The method involves placing immiscible liquid (5) e.g. water, in an openwork basket (4) with a wall made of non-reactive solid material relative to the water and immiscible liquid (2) i.e. paraffin oil. The basket is immersed in a volume...
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JP5625058B2 |
A method using diglycolamide for increasing the separation factor between americium and curium and/or between lanthanides during an extraction operation. The operation comprising putting an acid aqueous phase, in which are found the amer...
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JP5598900B2 |
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JP5591296B2 |
Disclosed is an adsorptive ball for recovering precious metals and resources, a method for manufacturing the adsorptive bale, a flow through-continuous deionization (FT-CDI) module capable of recovering precious metals by using the adsor...
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JP5590555B2 |
To continuously collect uranium in seawater of the desired amount without provision of any facility using a ship.A chain conveyor 3 is provided from a land area 1 along a sea bed 2. A large number of materials 21 for collecting uranium a...
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JP2014521831A |
The instant invention relates to a binder composition for pelletization of fine mineral particles comprising a) at least one colloid agent which exerts a cohesive force on the mineral particles forming the pellets, and b) at least one sy...
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JP5497174B2 |
The novel lipophilic metal extractants of the class dialkyldiaza-tetraalkyloctanediamide (DADA) useful to selectively separate trivalent americium (sup. 241 Am) from trivalent lanthanides are represented by the formula 1: Wherein R is a ...
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JP2014070261A |
To provide a method for recovering high-purity group 5 and/or group 6 transition metals at a low cost.A method for recovering a transition metal includes a step to perform electrolysis of a raw material mixture containing at least one of...
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JP5453092B2 |
A precipitator comprises a counter-current circulation between the reacting substances (8, 6, 7 ->12) and a non-miscible and chemically inert organic confinement phase (10->9) to maintain the phase containing the reagent in an emulsion. ...
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JP2014046264A |
To provide an ion exchanger having thermostability and durability for use at high temperature under presence of water and a collection method capable of collecting useful metals and toxic metals at high temperature.An ion exchanger is ob...
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JP2014031584A |
To provide a method capable of obtaining suitable particle size distribution of deposits by preventing accumulation caused by attachment of the deposits to a wall part of a device, and continuously discharging the deposits by controlling...
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JP5197603B2 |
The present application is directed to a method for the purification of Radium, in particular 226 Ra, for target preparation for an essentially pure 225 Ac production from available radioactive sources, using an extraction chromatography...
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JP5086503B2 |
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JP2012170856A |
To collect uranium, which is a metal in seawater, at low cost.A reaction aid of sodium chloride is used on a biomass chip 2 and coupled to naturally-derived tannin. Uranium is adsorbed to a collecting material 1 formed by the chip 2 with...
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JP2012149324A |
To provide a metal recovery method that improves the capability of repeated use of a metal collecting material.In the metal recovery method in which metal is separated and recovered from the metal collecting material that adsorbs metal f...
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JP2012132076A |
To provide a system and a method for collecting metals, which always keep high metal collecting efficiency, when mooring the metal collecting material in the sea and collecting the metals included in seawater.The metals included in the s...
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JP2012126986A |
To improve and maintain the collection efficiency of metal contained in seawater.This metal collecting system includes: a self-propelled marine moving body that can move on the sea; a metal collecting material hung down in the sea from t...
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JP2012122107A |
To improve the collection efficiency of metals contained in seawater.This metal collection system is constituted with: a first system in which a hypochlorous acid solution is prepared by the electrolysis of seawater and the sterilization...
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JP2012122106A |
To improve the efficiency for capturing metal contained in seawater.In a metal capturing method for causing a metal adsorbent to adsorb the metal contained in the seawater while moving the metal adsorbent in a tank reserving the seawater...
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JP2012122108A |
To provide a metal collection system and method, by which a high metal collection efficiency can be maintained independently of the sea area where a metal collection material is installed.The metal collection system is constituted with: ...
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JP4887541B2 |
To provide an efficient recovery method for recovering an apparatus for collecting metals from seawater and a recovery ship which facilitate collection of materials moored in seawater. The recovery ship for recovering collecting material...
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JP4860040B2 |
The present invention relates to a process to dissolve plutonium or a plutonium alloy, by placing it in contact with an aqueous dissolution mixture, wherein said dissolution mixture comprises nitric acid, a carboxylic acid with complexin...
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JP4859342B2 |
The invention relates to a heat-sensitive compound having the property of being soluble in water below a critical temperature Tc and insoluble in water above this temperature Tc, this property being thermally reversible, characterized in...
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