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Matches 1 - 50 out of 2,356

Document Document Title
WO/2019/176175A1
Provided is a solvent extraction method capable of selectively separating magnesium from an acidic aqueous solution of sulfuric acid. This solvent extraction method is for extracting magnesium in an organic solvent by bringing an acidic ...  
WO/2019/173716A1
A lithium extraction composite comprising: (i) a porous support and (ii) particles of a lithium-selective sorbent material coated on at least one surface of the support, wherein the support has a planar membrane, fiber (or rod), or tubul...  
WO/2019/168941A1
The present invention relates to the extraction of lithium from liquid resources such as natural and synthetic brines, leachate solutions from clays and minerals, and recycled products. For the extraction of lithium from the liquid resou...  
WO/2019/161447A1
A process is described for the recovery of manganese sulphate and manganese oxides from manganese-bearing feedstocks, comprising leaching the feed material in sulphuric acid, followed by selective crystallisation of manganese sulphate he...  
WO/2019/150403A1
The present invention concerns a method for treatment of lithium batteries and recovery of the metals contained therein comprising the following steps: - completely discharging the single cells by immersion in a conductive solid material...  
WO/2019/149698A1
The invention relates to a method for recycling lithium batteries, comprising the steps of: (a) breaking down a comminution product (10), which contains comminuted constituent parts of electrodes of lithium batteries, with concentrated s...  
WO/2019/121086A1
Process for the recovery of transition metal from cathode active materials containing nickel and lithium, wherein said process comprises the steps of (a) treating a lithium containing transition metal oxide material with a leaching agent...  
WO/2019/114816A1
The present invention relates to the technical field of wet metal and metallurgy, and provides an extraction method for a lithium element. The method comprises: mixing the lithium-containing solution with an extractive solvent to obtain ...  
WO/2019/114815A1
An extraction solvent for extracting and separating lithium element and a method for extracting and separating lithium element fall within the technical field of wet metal metallurgy. An extraction solvent comprising a neutral phosphorus...  
WO/2019/114817A1
Provided is an extraction solvent for extracting and separating lithium element and a method for extracting and separating the lithium element, which belongs to the technical field of wet metal metallurgy. An acid extractant or a mixture...  
WO/2019/100673A1
Disclosed is a method for the selective nitric acid leaching of lithium elements in an aluminum electrolyte, comprising the following steps: S1. pulverizing and sieving an aluminum electrolyte containing lithium elements; S2. mixing nitr...  
WO/2019/098407A1
The present invention relates to a lithium extraction apparatus and, more specifically, to a lithium extraction apparatus being structurally stable so as to have excellent pressure for maintaining airtightness, enabling lithium to be ext...  
WO/2019/093736A1
A lithium recovery method according to the present invention recovers a lithium compound by reacting lithium-containing by-products and a phase separation agent through self-propagating combustion synthesis. Provided is a lithium recover...  
WO/2019/094674A1
A process for recovering valuable products from ore containing boron and lithium, such as jadarite ore, includes an acid digestion step and downstream steps that recover valuable boron-containing and lithium-containing products.  
WO/2019/086511A1
The invention relates to a method for the thermal treatment of a lithium ore (1) in which entrained flow treatment is performed in which particles of the lithium ore (1) are carried by heating gas 18 along an entrained flow treatment sec...  
WO/2019/080487A1
Disclosed in the present invention is a crystal form changing method of lithium-containing aluminum electrolyte, relating to the technical field of aluminum electrolyte extraction and recycling. The method comprises the following steps: ...  
WO/2019/071797A1
A method for producing mixed slag containing nickel and iron, comprising the following steps: S1. furnace slag mixing: adding nickel smelting slag into a reaction apparatus, and adding one or more of lead smelting slag, blast furnace sla...  
WO/2019/071795A1
A manufacturing method using a copper-containing slag, comprising the following steps: S1, slag mixing: putting a copper slag into a reaction device and adding calcium-based minerals and additives, heating the slag into a molten state an...  
WO/2019/071788A1
A manufacturing method using a copper and iron containing mixing slag. The manufacturing method comprises the following steps: S1, slag mixing: putting a copper slag into a smelting reaction device, adding one or more of a lead smelting ...  
WO/2019/071790A1
A method for recovering valuable components from mixed slag containing zinc and iron, comprising the following steps: S1, adding zinc smelting slag into a heat preservation device or into a smelting reaction device from which slag may fl...  
WO/2019/071792A1
A production method based on smelting reduction of slag containing zinc and iron. The method comprises the following steps: S1, adding zinc smelter slag into a thermal insulation apparatus or a smelting reaction apparatus allowing slag t...  
WO/2019/060996A1
It is provided a process for recycling lithium ion batteries comprising shredding the lithium-ion batteries and immersing residues in an organic solvent; feeding the shredded batteries residues in a dryer producing a gaseous organic phas...  
WO/2019/050228A1
Provided is a molten salt composition for smelting magnesium using a solid oxide membrane (SOM) process. The present invention relates to a low-temperature molten salt composition that can be applied to a SOM process and contains, in wt%...  
WO/2019/026977A1
This sodium removal method is a method for removing sodium from a sodium-containing solution by precipitating sodium ions in the sodium-containing solution as a sodium salt, the method having a sodium precipitation step for reducing the ...  
WO/2019/026978A1
This method for dissolving a lithium compound comprises bringing a lithium compound into contact with water or an acid solution and supplying carbonate ions to the water or acid solution to generate carbonic acid, and reacting the lithiu...  
WO/2019/018333A1
Methods of recovering lithium from a lithium source or a lithium-containing material using low pH solutions and membrane technologies to purify and concentrate the recovered lithium. The lithium sources may include a spent lithium-ion ba...  
WO/2019/011876A1
The invention relates to a method for obtaining caesium from aqueous starting solutions having caesium contents in the range of 50 ppm to 5000 ppm, in which method the caesium ions in the aqueous solution are, in a first step, precipitat...  
WO/2019/002653A1
The invention relates to a method for obtaining concentrated brine of minimum impurity content from brine found in natural salt flats and salt marshes, said method having minimum environmental impact and maximum lithium recovery. The met...  
WO/2018/234614A1
The invention relates to a method and apparatus of preparing lithium compound(s) from lithium-containing mineral. The method comprises a) a leaching step, wherein the lithium-containing mineral is leached in aqueous leach solution contai...  
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...  
WO/2018/223193A1
A processes is disclosed for the recovery of cobalt, lithium and associated metals from lithium-ion batteries, comprising (i) shredding and pulverising the batteries under an inert atmosphere, (ii) leaching the batteries with sulphuric a...  
WO/2018/208305A1
Lithium brine is treated with a multiple pass nanofiltration (NF) membrane system. Sulfate is added to permeate from an upstream pass before it flows through a downstream pass. Optionally the sulfate may be added to the permeate by dosin...  
WO/2018/189175A1
The device relates to a (100) for producing purified, especially high-purity, magnesium (26), having - a reactor (8) for vacuum distillation that is extended along a longitudinal axis (L), wherein the reactor (8) forms a reactor inner ch...  
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...  
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...  
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...  
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...  
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...  
WO/2018/170721A1
Provided is a particulate composition comprising a collection of resin beads and LiX· 2Al (OH) 3· nH2O, wherein n is 0 to 10, wherein X is a halogen, wherein the resin beads contain polymer having 0.5 to 3 equivalents of amine pendant ...  
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...  

Matches 1 - 50 out of 2,356