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WO/2018/227674A1 |
A method for removing a radioactive thorium element in a rare earth mineral, comprising the following steps: mixing the rare earth mineral and selenium dioxide in water; enabling the radioactive thorium element and the selenium dioxide t...
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WO/2018/223190A1 |
A process for leaching a mineral particulate material comprising the steps of feeding the mineral particulate material to a leaching step (10) in which at least one valuable metal in the mineral particulate material is leached into a lea...
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WO/2018/223192A1 |
A method is disclosed for maximising the recovery of lithium from purified feed solutions in either chloride or sulphate media. The solubility of lithium carbonate is sufficiently high that conventional techniques do not recover all of t...
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WO/2018/225738A1 |
This palladium extraction agent, which comprises an alkyl-sulfide-group-comprising disubstituted aromatic compound represented by general formula (I) as an active ingredient, can be used to selectively extract only palladium from a solut...
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WO/2018/225638A1 |
This method for separating a heavy metal is characterized by comprising: a first dissolution step wherein an acidic liquid and an object to be treated containing phosphorus and a heavy metal are mixed with each other, so that the phospho...
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WO/2018/218294A1 |
The invention provides a process for producing magnesium oxide from fly ash or slag comprising magnesium and iron, the process comprising: leaching the fly ash or slag with an aqueous mineral acid solution to produce a leaching solution ...
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WO/2018/219464A1 |
The invention relates to a method for recovering iron and carbon components from washing tower sludges, wherein a washing tower sludge is mixed with an acid-containing solution and then a reaction is performed so that an acidic aqueous i...
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WO/2018/217083A1 |
A hydrometallurgical process is provided for the recovery of one or more target metals from a metalliferous feed material to produce one or more metal products by using ammonia leaching and solvent extraction, whereby entrained ammonia i...
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WO/2018/217739A1 |
A method of extraction of pure iron (III) oxide from bulk iron ore is provided that includes crushing and grinding, using a crushing machine, raw hematite ore, where a milled ore is formed, water-washing the milled ore by rinsing under c...
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WO/2018/215697A1 |
According to an example aspect of the present invention, there is provided a method for the recovery of metal compounds and ammonium sulphate from a solution comprising one or more metal sulphates, said method comprising the steps of a) ...
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WO/2018/211996A1 |
This method for processing oil combustion ash includes: a slurry production step (S10) for adding water to oil combustion ash containing vanadium and nickel to produce a combustion ash slurry; a magnetic separation step (S20) for magneti...
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WO/2018/202691A1 |
The present invention relates to a method for performing a bioleaching process of chalcopyrite comprising the steps of: providing a chalcopyrite containing material; providing microorganisms, the microorganisms oxidizing iron(ll) at a ra...
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WO/2018/194760A1 |
A new column-based purification system and approach are described for rapid separation and purification of the alpha-emitting therapeutic radioisotope 211At from dissolved cyclotron targets that provide highly reproducible product result...
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WO/2018/192441A1 |
A method for use in producing battery-grade vanadium oxide, comprising the following steps: A. adding a vanadium-containing leaching solution into a mixed solution of ammonium carbonate, ammonia water and ammonium sulfate, stirring to pr...
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WO/2017/141118A9 |
The present invention relates to the use for ore beneficiation, of at least one derivative of alkoxylated fatty (polyester)amine The present invention also relates to the flotation pulp and the tailings comprising said product useful for...
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WO/2018/187855A1 |
Process for recovering one or both of copper and silver from a sulphidic feed containing iron, arsenic, copper and silver by pressure oxidizing an aqueous feed slurry of the sulphidic feed in a pressure vessel to form a liquid phase cont...
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WO/2018/188537A1 |
Disclosed are a method for comprehensively recycling a copper-nickel sulfide ore and a system thereof. Under normal pressure conditions, a copper-nickel sulfide ore concentrate can be directly leached out or a low nickel matte can be obt...
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WO/2018/184686A1 |
The invention relates to a method for removing fluoride from a zinc-containing solution or suspension, in particular a zinc sulfate solution, to a defluoridated zinc sulfate solution obtained by such a method, to the use thereof, and to ...
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WO/2018/184094A1 |
Methods for niobium concentration from a carbonatite host rock are presented. A basic process for niobium mineral concentration involves performing niobium mineral flotation, on a sufficiently liberated ore slurry, using at one least aro...
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WO/2018/184067A1 |
A method (10) for preparing a leach feed material, the method (10) comprising the steps of: passing an ore or concentrate containing vanadium and iron to a reduction step (12) to form a reduced ore or concentrate; and passing the reduced...
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WO/2018/186190A1 |
This device for producing metallic Li is provided with: an extraction electrode which extracts metallic lithium; a counter electrode which faces the extraction electrode; and an accommodation part which includes a non-aqueous solvent for...
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WO/2018/184876A1 |
The present invention relates to an enhanced process for the recovery of lithium from compositions also containing aluminum. An example of such a metallurgical compositions is the metallurgical slag that is obtained when recycling lithiu...
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WO/2018/184071A1 |
A method of leaching copper-containing ores, such as chalcopyrite ores, with a leach liquor in the presence of silver and an activation agent that activates silver whereby the silver enhances copper extraction from copper ores.
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WO/2018/181816A1 |
A lithium ion battery scrap treatment method including a calcination step, a crushing step, and a sieving step, followed by: a leeching step in which Cu is leeched an acidic solution and at least some Cu remains as a solid; an Fe/Al-remo...
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WO/2018/181608A1 |
This lithium recovery method separates sodium from a lithium-containing solution including lithium ions and sodium ions and recovers lithium. The lithium recovery method has a solvent extraction step including: an at least three-stage ex...
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WO/2018/178416A1 |
The invention relates to a microorganism belonging to the micro-algae species Tetraselmis mediterranea TmmRU sp. (BEA/IDA/0062), and to the use of said strain to increase the isotope ratio 235U/238U of a solution in relation to a startin...
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WO/2018/181607A1 |
A lithium recovery method that, when performing a sintering step, a crushing step, and a sieving step on lithium ion battery scrap, in said order, includes between the sintering step and the crushing step, between the crushing step and t...
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WO/2018/178374A1 |
The invention relates to a method for the production of a material of plant origin that is rich in phenolic acids, comprising at least one metal, said method comprising the following steps: a) producing a material of plant origin selecte...
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WO/2018/178371A1 |
The present invention relates to a method for the production of a solid material comprising manganese, said method including the following steps: a) bringing an aqueous effluent comprising manganese, e.g. at least 5 mg/L, typically at le...
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WO/2018/174148A1 |
Provided is a method for smelting a metal oxide ore for obtaining a metal sulfide, wherein the method makes it possible to efficiently recover a fine metal sulfide included in an overflow solution and reduce the recovery cost of metal co...
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WO/2018/170105A1 |
A method includes contacting a coal or coal-rich feedstock with an acidic solution to form residual coal and a leachate. The method further includes separating the residual coal from the leachate where the leachate contains rare earth el...
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WO/2018/164578A1 |
Metal recovery processes for recovering two or more metals from a metal- containing stream are provided. In, Ga, and Mo are recovered in an embodiment using solvent extraction.
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WO/2018/165524A1 |
A vanadium recovery approach utilizes oil fly ash (OFA), in contrast to coal fly ash, for separation and recovery of vanadium. OFA is first carbon burned to reduce the volume for recycling, and also to provide a fuel for other industrial...
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WO/2018/165312A1 |
The present disclosure provides a complex having a metal and ligand anionic complex that is counterbalanced by a cation. The complex can be suited for many uses including in a battery.
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WO/2018/161682A1 |
A method for selectively removing monovalent anion impurities from a sulfuric acid system electrolyte solution is provided. The method comprises: adjusting the concentration of ionized H2SO4 in the electrolyte solution, introducing the e...
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WO/2018/163544A1 |
Provided is a sulfuric acid adding facility having a configuration in which a drain discharge line is connected to a pump head of a diaphragm pump, wherein the occurrence of trouble in the drain discharge line caused by vibration of the ...
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WO/2018/158035A1 |
The invention relates to a method for producing lithium hydroxide (4), in particular high-purity lithium hydroxide, for use in batteries and/or accumulators, from lithium-containing ore and/or mineral, and/or lithium-containing earths (1...
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WO/2018/157424A1 |
Provided is a method for recycling plutonium from a spent radioactive fuel. The method successively comprises the following steps: extraction: tetravalent plutonium is extracted from an aqueous solution of the spent radioactive fuel usin...
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WO/2018/160817A1 |
A modified selective recirculation circuit has a loading stage, a stripping stage and a filtering stage for use in processing a feed stream or slurry containing mineral particles. The stripping stage forms a first loop with the loading s...
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WO/2018/158041A1 |
The invention relates to a method for producing lithium hydroxide (4), in particular highly pure lithium hydroxide, for use in batteries and/or accumulators, from lithium-containing ore and/or mineral and/or from lithium-containing earth...
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WO/2018/157203A1 |
According to the present invention there is provided a method for the extraction of lithium from one or more lithium-containing ores such as spodumene, the inventive method comprising the steps of: milling said ore/s to a predetermined a...
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WO/2018/157204A1 |
A sparge (20, 40, 60 and 80) for use in a high-pressure vessel (26) operated at elevated temperatures and having high energy agitators (16) for suspending mineral containing particles in a slurry (36). The sparge (20, 40, 60 and 80) inje...
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WO/2018/160806A1 |
A system is provided for processing a circulating load in comminution circuit of a mineral separation process for separating mineral particles of interest from an ore, featuring: a coarse screen and an enhanced mineral separation circuit...
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WO/2018/155114A1 |
Provided is a method capable of reducing chromium quality in a nickel-containing sulfide produced by adding a sulfurizing agent to a nickel-containing aqueous sulfuric acid solution. The present invention pertains to a method for produci...
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WO/2018/152628A1 |
The present disclosure broadly relates to a process for recovering vanadium, iron, titanium and silica values from vanadiferous feedstocks. More specifically, but not exclusively, the present disclosure relates to a metallurgical process...
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WO/2018/155687A1 |
The present invention pertains to a metal recovery agent or a metal compound recovery agent that comprises a dried product of cells of a red alga belonging to the order Cyanidiales, a dried product of a material derived from cells of a r...
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WO/2018/145141A1 |
A combined processing method for the purification of lithium containing solutions, the method comprising the method steps of passing a lithium containing solution to a first purification step in which the lithium containing solution is c...
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WO/2018/145142A1 |
A combined processing method for the purification of lithium containing solutions, the method comprising the method steps of: a) passing a lithium containing solution to one or more purification steps to produce a substantially purified ...
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WO/2018/143121A1 |
Provided is sulfurization reaction facility capable of reducing the transfer, to a washing column, of unreacted hydrogen sulfide gas included in a process liquor following sulfurization, and capable of lowering the amount used of an alka...
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WO/2018/138917A1 |
Provided is a bismuth purification method for recovering bismuth from a liquid obtained after recovering precious metals from copper electrolysis slime. The method comprises: 1) a neutralization step in which an alkali is added to an aci...
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