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Matches 1 - 50 out of 2,265

Document Document Title
WO/2018/164340A1
The present invention relates to a method for recovering a lithium compound from lithium-containing waste and, more specifically, to a method for recovering lithium, the method using waste containing lithium, lithium carbonate, lithium c...  
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...  
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...  
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...  
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...  
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 ...  
WO/2018/113477A1
Provided is a method for recovering cobalt and lithium from a positive electrode material of a spent lithium cobalt oxide battery. Sodium hydrogen sulphate is mixed with the positive electrode material of the spent lithium cobalt oxide b...  
WO/2018/100539A1
A method of controlling iron in a hydrometallurgical process is disclosed. The method may comprise the steps of: leaching (14, 114) a feed slurry (2, 102); forming a pregnant leach solution (12a, 12b; 112a, 112b); removing a first leach ...  
WO/2018/089595A1
A process for water removal and/or recycling of sodium sulfate and/or sodium dithionate containing liquors derived from processing cobalt resource material essentially free of lithium comprising the steps of precipitation of cobalt as co...  
WO/2018/089932A1
The present invention relates to the extraction of lithium from liquid resources such as natural and synthetic brines, leachate solutions from mineral, and recycles products using a coated ion exchange particle comprising an ion exchange...  
WO/2018/082961A1
A process is divulged for the recovery of lithium from metallurgic slags comprising the steps of roasting spodumene to convert it from the alpha to the beta variant; reacting the beta variant with sulfuric acid, using a stoichiometric ex...  
WO/2018/076993A1
A method for preparing nickel sulfate, manganese sulfate, lithium sulfate, cobalt sulfate, and tricobalt tetroxide from battery waste, relating to comprehensive utilization of battery waste, and in particular, to a method for producing b...  
WO/2018/076994A1
A method for recovering lithium from low content extraction tailwater, comprising the following steps: adding calcium to lithium-containing extraction tailwater and removing fluorine; performing evaporative crystallization; removing impu...  
WO/2018/047147A1
An improved method and process for recovery of valuable metals from spent lithium batteries in highly purified and saleable form. The spent lithium batteries are shredded in a wet environment and wet screened to separate coarser particle...  
WO/2018/040703A1
Provided is a method for preparing high-purity flame-retardant magnesium hydroxide by recovery from a heavy-metal sludge, comprising the following steps: pretreating and washing with water: adding pure water to the heavy-metal sludge in ...  
WO/2018/027266A1
A process for converting lithium phosphate into a low-phosphate lithium solution, comprising: Dissolving the lithium phosphate in acid to form a solution; treating the solution with a metal hydroxide to form a precipitate of metal phosph...  
WO/2018/023159A1
The present disclosure provides a process for extracting and recovering lithium values from a lithium-bearing material, in particular from lithium-bearing silicates such as spodumene and lepidolite. The process for extracting lithium val...  
WO/2018/026536A1
Systems and methods are provided for recycling actinides from molten chloride fuel salts that have been employed as fuel within a molten salt nuclear reactor. The used molten chloride fuel salts can contain soluble fission products (e.g....  
WO/2018/000587A1
Provided is a vacuum magnesium smelting system, comprising the following connected in series: a pulverizing system, a preheating decomposition system, a calcination system, a secondary heating system, a vacuum reaction system heated by a...  
WO/2018/001265A1
A molten carbon thermal process magnesium preparation technique and a magnesium refining system. The molten carbon thermal process magnesium preparation technique comprises: melting iron into liquid, vacuuming, filling with a protective ...  
WO/2017/203192A1
The present invention relates to improved methods and apparatuses for extracting metal from metal oxides in reduction furnaces, by manipulating & micro- managing both (a) the furnace feed materials preparations; (b) and individual identi...  
WO/2017/200408A1
The present invention refers to a process of extraction of lithium from ores or lithium mineral concentrates, through the combination of three unitary operations, the mechanical activation of the ore or of the concentrate, followed by th...  
WO/2017/197528A1
The invention relates to a method for recycling an electrochemically active material. Said method comprises the steps of: reacting the electrochemically active material with an oxidising agent or a reducing agent in a solvent without add...  
WO/2017/181766A1
A method for extracting lithium using a slag from thermal recycling of lithium battery. The method comprises the following steps: a. acidifying the slag to obtain an acidic mixture with a slag:H2O:H2SO4 mass ratio of 1:15-25:0.5-1.25; b....  
WO/2017/164148A1
This refining device irradiates a mixture or compound of a substance of interest and an oxide of the substance of interest with laser beams to separate the substance of interest from the oxide. In the laser irradiation process, laser irr...  
WO/2017/159745A1
This processing method for lithium ion battery scrap includes: a leaching step for leaching lithium ion battery scrap, performing solid-liquid separation on the leachate obtained as a result of the leaching, and obtaining a first separat...  
WO/2017/159743A1
This processing method for lithium ion battery scrap includes: a leaching step for leaching a lithium ion battery and obtaining a leachate; an aluminum removal step for neutralizing the leachate to a pH of 4.0-6.0 and then performing sol...  
WO/2017/150659A1
A method for collecting minor metals from minor metal-containing glass, characterized in that the method comprises heating the minor metal-containing glass to a temperature of 900-1100°C and thereby melting the minor metal-containing gl...  
WO/2017/143697A1
Provided are an aluminum industry solid waste recovery/petroleum coke high-temperature desulphurization device and a using method therefor. The device comprises a furnace body, a low-melting-point matter crystallizer (23) at the rear end...  
WO/2017/139852A1
A process for the recovery of lithium from minerals rich in lithium and phosphate, the process comprising passing an ore (1) containing one or more minerals rich in lithium and phosphate to an acid leach step (60) thereby producing a pre...  
WO/2017/142810A1
A method of producing isolated graphene sheets from a layered graphite, comprising: (a) forming an alkali metal ion-intercalated graphite compound by an electrochemical intercalation which uses a liquid solution of an alkali metal salt d...  
WO/2017/137885A1
A lithium hydroxide production process integrating a lithium stripping stage with a lithium hydroxide production process performed in a two-compartment electrolysis cell.  
WO/2017/136885A1
A process for recovering lithium from lithium-bearing materials, in particular lithium bearing silicates such as spodumene, is provided. The process involves the steps of mixing the lithium-bearing material with a source of fluoride, suc...  
WO/2017/136328A1
Methods for extracting lithium from solutions containing lithium ions via reversible cation exchange with H+ are provided. The methods utilize metal oxide or metalloid oxide cation exchange materials having an active sublattice that pref...  
WO/2017/127936A1
Hydrometallurgical processes are provided for the recovery of metal values, including cesium, from epithermal mineral deposits, including pharmacosiderite- containing ores. Aspects of the process involve the preferential formation of a c...  
WO/2017/130375A1
Metallic sodium sealed in an engine valve for use in an internal combustion engine such as an automobile engine preferably has high purity, but little attention has conventionally been paid to organic solvents remaining within micropores...  
WO/2017/130376A1
In this method for filling with metallic sodium, a shaft-side hollow section of an engine valve is filled with a fixed amount of metallic sodium having a uniform structure. Molten metallic sodium is injected into a cylinder (57) having a...  
WO/2017/131051A1
In order for Li ions in a stock solution to be recovered at a high recovery speed in a recovery liquid, this selectively permeable membrane (10) is configured from a selectively permeable membrane main body (10A) configured from: a lithi...  
WO/2017/121663A1
The present invention concerns a slag composition having a high lithium content, suitable as additive in the manufacture of end-user products, or for the economic recovery of the contained lithium. The lithium concentration indeed compar...  
WO/2017/118955A1
The present invention relates to an improved process and method of recovering metals of value from used Lithium batteries (hereinafter LiBs). More particularly, the invention provides a method for recovering cobalt, lithium, manganese al...  
WO/2017/109278A1
A method is disclosed for removing gypsum from calcium-containing material, wherein the method comprises cooling a calcium-containing pregnant leach solution (10) by indirectly contacting the calcium-containing pregnant leach solution (1...  
WO/2017/106925A9
A process and system are disclosed for recovering lithium from a lithium-containing silicate mineral. The process and system comprise mixing the silicate mineral with nitric acid. The process and system also comprise subjecting the mixtu...  
WO/2017/106925A1
A process and system are disclosed for recovering lithium from a lithium-containing silicate mineral. The process and system comprise mixing the silicate mineral with nitric acid. The process and system also comprise subjecting the mixtu...  
WO/2017/096495A1
The invention relates to an electrolytic sequential system for increasing the concentration of lithium in natural brines, which replaces evaporation pools or wells, preventing water loss. The system comprises at least one repeatable sequ...  
WO/2017/081886A1
[Problem] In addition to limiting adverse effects on the environment such as air pollution, to efficiently irradiate microwaves on a target, keep the energy necessary for reduction to a minimum, and reduce and refine magnesium metal at l...  
WO/2017/064677A1
The invention relates to a method for the acid dissolution of the LiCoO2 contained in the cathode of lithium-ion batteries, using acetic acid or tartaric acid as a leaching agent, the method being characterised in that it comprises a fir...  
WO/2017/059931A1
The invention relates to a method for recovering lithium from lithium-sulfur accumulators, wherein the accumulators are discharged, shredded, and pre-cleaned by sieves or screens to separate housing and electricity collector parts, the r...  
WO/2017/048329A1
Disclosed herein is a method and apparatus that uses a brine from a well that is used to both generate electricity and recover valuable minerals present in the brine. The method and apparatus uses a hydrophobic membrane to separate water...  
WO/2017/039724A1
Producing high purity lithium solution from a lithium source containing dissolved Na+, Ca2+, and Mg2+, by: passing the source into and out of a bed of sorbent composed of hydrated alumina intercalated with LiX, preferably LiCl, to extrac...  
WO/2017/037625A1
The present invention relates to the recycling process of electronic waste resources to recover metals of value. More particularly, it relates to eco-friendly yet efficient hydrometallurgical processes to recover metal values from waste ...  

Matches 1 - 50 out of 2,265