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WO/2015/171109A1 |
This invention relates to a method for preparing a lithium aluminate intercalate (LAI) matrix solid and methods for the selective extraction and recovery of lithium from lithium containing solutions, including brines. The method for prep...
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WO/2015/157884A1 |
An environmentally friendly treatment method of refining magnesium slag, comprising the following steps: step a, fusing and screening the magnesium slag to obtain magnesium granules and magnesium slag crude solution; step b, removing moi...
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WO/2015/123762A1 |
The present disclosure relates to a method for extracting lithium from a lithium-containing material. For example, the method can comprise leaching a roasted lithium-containing material under conditions suitable to obtain an aqueous comp...
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WO/2015/121684A1 |
Lithium ions may be sequestered from an aqueous solution containing lithium ions and ions of at least one other metal by the addition to said solution of a lithium insertion material in the presence of a reducing agent having a redox pot...
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WO/2015/100812A1 |
Provided are a device and method for pre-treating metal magnesium. The device comprises: a cavity (20), a heating device (22) mounted in the cavity (20), a gas inlet (24) arranged on the cavity (20), and a gas extraction opening (26) arr...
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WO/2015/099612A1 |
A method of producing a metal carbonate from an ultramafic rock material is provided. The method includes providing an ultramafic rock material comprising a metal silicate; reacting the ultramafic rock material with an acid to form a mix...
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WO/2015/096549A1 |
Provided are a process and an apparatus for extracting battery grade lithium from brine. The process comprises the following steps: step 1, absorbing the brine with a lithium adsorption agent and then desorbing the lithium adsorption age...
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WO/2014/056608A9 |
The invention relates to a method for the hydrometallurgical recovery of lithium from the fraction of used galvanic cells containing lithium, iron and phosphate. According to the invention, a fraction containing lithium, iron and phospha...
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WO/2015/037842A1 |
The present invention concerns a device for recovering lithium comprised in a solution such as sea water, and relates to a sea water lithium-recovery device and lithium-recovery station using coastal-water-based lithium-adsorption equipm...
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WO/2015/020121A1 |
The present invention selectively and inexpensively recovers liquid-borne metal ions. This metal ion recovery device (1) uses a selective transmission membrane (10) that selectively allows the transmission of Li, and mesh-form negative e...
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WO/2014/202157A1 |
A furnace (10) for non-iron metals and a method of operating it are disclosed with a monitoring system (12) for monitoring in-situ the concentration of a passivation fluid,such as perfluoroketones in a cover gas(136). The monitoring syst...
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WO/2014/201890A1 |
Provided is a backflow cascade novel process for producing a lithium-7 isotope. The process comprises an upper backflow section, an extraction section, an enrichment section, a lower backflow section, and a product acquiring section. Upp...
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WO/2014/199771A1 |
Provided is a wastewater treatment method capable of selectively and efficiently separating and removing high-purity manganese sediment from sulfuric acid acidic wastewater containing aluminum, magnesium and manganese. In this wastewater...
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WO/2014/164738A2 |
Techniques for converting a portion of a carbonate to hydroxide include receiving an alkaline carbonate solution that includes between 0.1M (moles per liter of solution) to 4.0M hydroxide and between 0.1M to 4.1M carbonate; reacting, in ...
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WO/2014/137785A1 |
A method to recover cesium, rubidium, or both from secondary ore is described and involves using scans and sorting techniques. Refined secondary ore is further described.
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WO/2014/109363A1 |
A magnesium refining device comprising: a housing vessel which houses a sample including a magnesium compound; and a light focusing device which focuses sunlight so as to irradiate the housing vessel therewith, and heats the inside of th...
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WO/2014/109362A1 |
A magnesium refining device provided with: a housing vessel which houses a sample that includes a magnesium compound; and a light focusing device which focuses sunlight so as to irradiate the housing vessel therewith, and heats the inter...
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WO/2014/104548A1 |
The present invention relates to a method for extracting kalium from salt water, comprising the steps of: preparing salt water; evaporating moisture from the salt water; and collecting precipitate by section according to the amount of wa...
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WO/2014/098357A1 |
The present invention relates to a method for extracting lithium from a solution containing lithium, and more particularly, to a method for extracting lithium from a solution containing lithium, comprising the steps of: preparing a solut...
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WO/2014/078908A1 |
A process for the recovery of lithium from a natural or industrial impure brine comprising: (a) treating a feed brine containing lithium with a Na2C03 solution in order to precipitate magnesium and separate the precipitated MgC03; and (b...
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WO/2014/056610A1 |
The invention relates to a method for the hydrometallurgical recovery of lithium from the lithium manganese oxide-containing fraction of used galvanic cells. According to the invention, a lithium manganese oxide-containing fraction havin...
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WO/2014/056609A1 |
The invention relates to a method for the hydrometallurgical recovery of lithium from a lithium transition metal oxide-containing fraction of used galvanic cells. According to the invention, a lithium transition metal oxide-containing fr...
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WO/2014/047728A1 |
A process for preparing alumina, said process comprising leaching an aluminum-containing material with HC1 so as to obtain a leachate comprising aluminum ions, magnesium ions and a solid, and separating said solid from said leachate; sub...
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WO/2014/042136A1 |
Provided is a method that uses a minimal amount of acid or alkali, involves a simple process, is inexpensive to operate, and can separate out and recover lithium, cobalt, or the like with high yield. After vacuum-baking, pulverization, a...
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WO/2014/029031A1 |
It is described a process for extracting magnesium from magnesium-bearing materials comprising the steps of leaching the magnesium-bearing material with HCl as to obtain a leachate comprising the magnesium in solution and a solid form; p...
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WO/2014/026217A1 |
A process (10) for the treatment of a lithium containing material, the process comprising the steps of: (i) Preparing a process solution from the lithium containing material (12); (ii) Passing the process solution from step (i) to a seri...
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WO/2014/028161A1 |
A method for reducing impurities in magnesium comprises: combining a zirconium-containing material with a molten low-impurity magnesium including no more than 1.0 weight percent of total impurities in a vessel to provide a mixture; holdi...
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WO/2014/028554A1 |
The process described herein demonstrates a more efficient and effective way to remove certain chemicals from industrial waste water. Specifically, the invention set forth demonstrates a method comprised of at least two steps in which up...
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WO/2014/026120A2 |
A continuous countercurrent flow process for converting FGD gypsum to ammonium sulfate and calcium carbonate including countercurrent flows with internal recycle of liquids to maximize the purity of reaction products while minimizing rea...
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WO/2014/021523A1 |
The present invention relates to a method for extracting lithium from a solution containing lithium. The present invention provides a method for extracting lithium from a solution containing lithium, comprising the steps of: separating a...
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WO/2014/010947A1 |
The present invention provides a method for recovering lithium, through an electrochemical method, from coal fly ash or waste water generated in a process for producing an active material for a lithium secondary battery, comprising the s...
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WO/2014/007331A1 |
This alkali metal and/or alkali earth metal extraction method is superior in terms of cost and allows repeated use of the aqueous solution that extracts alkali metal and/or alkali earth metal from a solid. This method is for extracting a...
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WO/2014/005878A1 |
The invention relates to a method for recovering an electropositive metal from a metal carbonate. In the method, hydrogen and halogen are combusted to form hydrogen halide. The solid metal carbonate is converted into metal chloride by me...
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WO/2014/007332A1 |
This alkali metal and/or alkali earth metal extraction method has excellent extraction efficiency and allows repeated use of the aqueous solution that extracts alkali metal and/or alkali earth metal from a solid. This method is for extra...
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WO/2013/191780A2 |
Submersible media filters and submersible columns for use in removing radioactive isotopes and other contaminants from a fluid stream, such as a fluid stream from the primary coolant loop of a nuclear reactor system or a fluid stream fro...
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WO/2013/191781A2 |
Processes, systems, and methods for selectively regenerating an ion exchange resin generally comprises washing the ion exchange resin with an elution agent that encourages only selected contaminants, and especially selected radioactive i...
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WO/2013/182749A1 |
The invention relates to a process for producing a lithium-containing solution from a lithium-containing raw-material solution, the process comprising the following steps: a) precipitation step, in which a first part of magnesium and cal...
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WO/2013/177680A1 |
There are provided methods for preparing lithium carbonate. For example, such methods can comprise reacting an aqueous composition comprising lithium hydroxide with CO2 by sparging the CO2 the said composition, thereby obtaining a precip...
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WO/2013/172533A1 |
Provided is a method for recovering metal from a solution. According to the present invention, when a first electrode containing the metal to be recovered and a second electrode containing a metal other than the metal to be recovered are...
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WO/2013/170370A1 |
There are provided processes for recovering at least one rare earth element and/or at least one rare metal from at least one material. The processes can comprise: leaching the at least one material with at least one acid having a low con...
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WO/2013/162269A1 |
Disclosed is a method for preparing magnesium and ferro-silicon using ferro-nickel slag which is a by-product of a process for manufacturing ferro-nickel. The present invention provides a method for preparing magnesium from ferro-nickel ...
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WO/2013/153692A1 |
Provided is a method for collecting only lithium from a lithium-containing solid selectively and with high yield. The method is an electrodialytic method, in which lithium ions, which are monovalent metal ions, are permeation-concentrate...
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WO/2013/146391A1 |
The present invention is related to a method for separation and recovery of alkali metal in which raw water containing an alkali metal and a bivalent ion is permeably separated using a nanofiltration membrane to yield permeated water and...
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WO/2013/140039A1 |
A method and arrangement for recovering lithium carbonate from a raw material containing lithium, which method comprises pulping (1) the raw material containing lithium in the presence of water and sodium carbonate for producing a slurry...
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WO/2013/118300A1 |
The purpose of the present invention is to provide a method for recovering lithium, which is capable of efficiently recovering lithium that does not contain impurities such as phosphorus and fluorine from a lithium-containing solution th...
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WO/2013/114621A1 |
The objective of the present invention is to provide a lithium recovery method able to efficiently recover lithium not containing impurities such as phosphorus or fluorine. In the present invention, in a step for recovering valuable meta...
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WO/2013/107644A1 |
A starting material (2) in the form of a magnesium-containing metal melt is present together with the upper region (32) of a condensation vessel (3) in the upper region (11) of a retort (1) heated by the external heating element (5), and...
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WO/2013/096764A1 |
A method of mineralizing calcium from industrial waste comprising extracting calcium ions from a suspension of calcium rich granular particles and aqueous ammonium nitrate to form a calcium-rich first fraction and a heavy second fraction...
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WO/2013/089400A1 |
A method of extracting lithium from a lithium bearing solution and specifically, economically extracting lithium from a lithium bearing solution comprising the steps of: adding a nucleus particle to a lithium bearing solution; and precip...
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WO/2013/085052A1 |
Provided is a rare earth element recovery method in which rare earth elements, particularly including Nd and Dy, are efficiently leached from a leaching raw material containing rare earth elements, and then separated and recovered. A r...
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