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WO/2020/246079A1 |
Provided are a system and a method for treating a waste lithium ion battery, by which the recovery rate of lithium can be improved. One example of this system for treating a waste lithium ion battery includes a first aqueous solution pro...
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WO/2020/229477A1 |
The invention relates to a process for crushing an electrochemical generator (10) comprising a negative electrode (20) containing lithium or sodium and a positive electrode (30), the method comprising a step, in which the electrochemical...
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WO/2020/218237A1 |
This dross generation suppression method involves: setting an environmental atmosphere, in which a metal-containing object is placed, to a condition of having a water content less than that of the air environment of the periphery of the ...
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WO/2020/212363A1 |
A process for removal of aluminium and iron in the recycling of rechargeable batteries comprising providing a leachate from black mass, adding phosphoric acid (H3PO4) to said leachate and adjusting the pH to form iron phosphate (FePO4) a...
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WO/2020/206567A1 |
A process for producing lithium carbonate or other lithium chemical products from spodumene ore concentrates, LiAl(SiO3)2, which comprises: (a) calcining the spodumene concentrate to transform it from its crystalline form α to the cryst...
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WO/2020/205302A1 |
A method of extracting purified lithium sulfate brine from sedimentary rock is disclosed. The method includes the steps of sizing sedimentary rock ore, suspending the sized ore in an aqueous solution, and separating the aqueous solution ...
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WO/2020/203888A1 |
This method is for producing lithium carbonate and comprises: a dissolving step for dissolving crude lithium carbonate in a liquid while having carbon dioxide gas supplied therein; and a decarboxylation step for heating the lithium solut...
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WO/2020/185777A1 |
A process for water removal and/or recycling of sodium sulphate and/or sodium dithionate containing liquors derived from processing a cobalt resource derived from components of lithium ion batteries comprising steps of deriving from the ...
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WO/2020/179695A1 |
Provided is an apparatus for roasting a lithium ion battery waste, in which the efficiency of a heating treatment can be improved and the rate of recovery of a valuable metal can be improved. One example of the apparatus for roasting a l...
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WO/2020/171009A1 |
Provided is a lithium recovery method whereby highly pure lithium can be recovered from a fluid to be processed that has lithium and an inorganic salt dissolved therein. The lithium recovery method has: a concentration step S8 in which t...
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WO/2020/169777A1 |
The invention relates to a process for producing solid particles made of an inorganic solid containing at least one alkali metal and/or alkaline earth metal, comprising at least the following steps: a) providing the inorganic solid conta...
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WO/2020/161339A1 |
The invention relates to a method (300) for extracting lithium from an assembly of at least one electric battery cell comprising solid lithium metal, such as a lithium-metal-polymer battery, said method (300) comprising an extraction pha...
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WO/2020/154518A1 |
Methods of making carbonate aggregates are provided. Aspects of the methods include: preparing a carbonate slurry, subjecting the carbonate slurry to rotational action, e.g., by introducing the carbonate slurry (optionally with an aggreg...
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WO/2020/146956A1 |
A process for the selective recovery of lithium values from feedstock is provided. The process includes concentration by one or more of air classification and flotation; selective leaching to remove Mg, Ca or Na formations; and leaching/...
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WO/2020/137974A1 |
The present invention relates to an alkali metal salt manufacturing method that is characterized by including: a pretreatment step in which a refining-inhibiting substance is removed from an aqueous solution of an alkali metal salt, usin...
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WO/2020/128137A1 |
A method of treating process water of a flotation plant (1) is disclosed. The flotation plant (1) comprises a mineral flotation line (10) and a process water circuit (20) for treating underflow and/or overflow of the flotation line. The ...
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WO/2020/124130A1 |
A method for the recovery of metals from a feed stream containing one or more value metals and lithium, the method comprising: subjecting the feed stream to a sulphuric acid leach to form a slurry comprising a pregnant leach solution of ...
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WO/2020/118436A1 |
Processes for the recovery or purification of lithium species from various sources are described. Such sources include natural sources or deposits, such as in mining applications, and synthetic or non-natural sources, such as in the recy...
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WO/2020/115369A1 |
The present invention concerns a process for producing calcium carbonate from a calcium- containing alkaline slag material, the process containing the steps of - extracting the alkaline slag material in a series of extraction steps, incl...
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WO/2020/116795A1 |
The present invention relates to a method for producing lithium hydroxide from a lithium concentrate by mixing and roasting the lithium concentrate with sodium sulfate, the method being capable of efficiently recovering lithium ions from...
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WO/2020/112813A1 |
A method includes processing at least one battery into a plurality of core sections. Each core section in the plurality of core sections includes an anode section, a cathode section including a cathode material, a separator section dispo...
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WO/2020/107074A1 |
A process and system are disclosed for producing lithium oxide from lithium nitrate. In the process and system, the lithium nitrate is thermally decomposed in a manner such that a fraction of the lithium nitrate forms lithium oxide, and ...
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WO/2020/104164A1 |
The present disclosure concerns a process for the concentration of lithium in metallurgical fumes. The process comprises the steps of: - providing a metallurgical molten bath furnace; - preparing a metallurgical charge comprising lithium...
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WO/2020/090690A1 |
This method is for treating a lithium ion secondary battery positive electrode active substance waste product that contains cobalt, nickel, manganese and lithium, and involves: a carbon mixing step in which a powder-form positive electro...
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WO/2020/093041A1 |
Provided are processes for extracting nickel and lithium from a Nickel(II)/Lithium(I) (Ni2+/Li+) solution. The process for extracting nickel and lithium includes providing a Ni2+/Li+ solution comprising an amount of lithium and an amount...
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WO/2020/092157A1 |
Processes are described for extracting metals from a combination derived from spent lithium-ion batteries and comprising such metals, a liquid, an acid, and other components.
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WO/2020/078928A1 |
The facility for separating a multivalent cationic species, from a solution comprising this multivalent cationic species and lithium, comprises a capturing device (3) which has an inlet (2) and an outlet (4). The capturing device (3) com...
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WO/2020/078779A1 |
The present invention relates to a process for the recovery of transition metals from batteries comprising treating a transition metal material with a leaching agent to yield a leach which contains dissolved copper impurities, and deposi...
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WO/2020/076315A1 |
Systems and methods are described in which spent pickle liquor from metal cleaning processes is utilized to regenerate a lixiviant used to recover valuable metals from industrial waste and other sources. The spent pickle liquor is neutra...
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WO/2020/073079A1 |
A method to produce a brine from mixed alum salts, the method comprising the steps of: (i) Dissolving or pulping alum salts (1) containing rubidium alum, cesium alum and/or potassium alum in water or a recycled liquor and adding a neutra...
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WO/2020/047401A1 |
The disclosure relates to compositions and methods of treating cancer in a subject. The method comprises administering to a patient in need of treatment an effective amount of supercritical CO2 neem extract.
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WO/2020/033988A1 |
An electrochemical method for separating impurities from aqueous solutions, comprises the steps of circulating an aqueous feed solution containing an impurity ion to a cathode chamber of an electrochemical cell containing a cathode; circ...
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WO/2020/033987A1 |
A method for improved processing of lithium metallurgical solutions comprises the steps of: i. Directing a lithium leach solution containing magnesium to an electrochemical magnesium removal step to form a magnesium depleted lithium leac...
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WO/2020/028980A1 |
The present disclosure broadly relates to a process for recovering magnesium as magnesium oxide and fibrous amorphous silica from serpentinite feedstocks. More specifically, but not exclusively, the present disclosure relates to metallur...
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WO/2020/031178A1 |
The invention relates to hydrometallurgical method for recovering metals from spent energy storage devices. The method comprises combining aqueous hydrobromic acid leach solution and an electrode material of spent energy storage devices ...
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WO/2020/021365A1 |
Plant for disposing and recovering lithium batteries, comprising: storage (10); supply (20); - crushing (30), submerged in liquid solution and in overpressure of inert gas, for destroying the batteries through cutting discs (32) and mill...
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WO/2020/019026A1 |
The disclosure relates to processes for extracting lithium from an uncalcined lithium- bearing silicate and recovering a lithium salt therefrom. A slurry of the uncalcined lithium-bearing silicate and a caustic solution is heated in an a...
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WO/2020/011765A1 |
Process for the recovery of transition metal from spent lithium ion batteries containing nickel, wherein said process comprises the steps of (a) heating a lithium containing transition metal oxide material to a temperature in the range o...
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WO/2020/010313A1 |
The present disclosure relates, according to some embodiments, to a method for recovery of lithium ions from a lithium-ion containing liquid, the method comprising the steps of coating a nanoparticle with a styrene monomer; polymerizing ...
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WO/2020/007062A1 |
A fluidized bed two-stage gasification and flash light calcined magnesite integration process, wherein a fuel is dried/pyrolyzed or partially gasified in a pyrolyzer; a product of the pyrolyzer is continually gasified in a gasifier, and ...
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WO/2020/005657A1 |
Methods and systems for the production and delivery of lithium metal of high purity are provided. More particularly, methods and systems for lithium metal purification, delivery and deposition are provided. In at least one aspect, a liqu...
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WO/2019/241289A1 |
Provided is a method of extracting a metal ion, which comprises contacting a compound of formula (R2SiO)n with a source of the metal ion, whereby the compound and the metal ion form a complex, wherein each R is independently C1-10oalkyl,...
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WO/2019/227157A1 |
A process for recovering lithium phosphate and lithium sulfate from a lithium-bearing solution, such as a brine or pregnant process liquor is described. The process includes adding phosphate to the lithium-bearing solution to precipitate...
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WO/2019/227158A1 |
A process for recovering lithium phosphate and lithium sulfate from a lithium-bearing silicate is described. The process includes adding from 800 kg/t to 1600 kg/t of sulfuric acid to a slurry of the lithium-bearing silicate and from 40 ...
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WO/2019/226863A1 |
The present disclosure relates to calixpyrrole compounds and compositions thereof. The calixpyrrole compounds are chemical groups which are located in such a manner so as to be useful for the selective extraction of specific salts. Also ...
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WO/2019/220004A1 |
The present invention relates to a method and arrangement for recovering lithium hydroxide from a mineral containing lithium, by pulping the raw material containing lithium in the presence of water and an alkali metal carbonate,leaching ...
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WO/2019/210351A1 |
A process for the processing of mica rich minerals, the process comprising passing an ore or concentrate (1) containing a mica rich mineral to a pre-treatment phase, the pre-treatment phase including a size separation step (20) to produc...
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WO/2019/210350A1 |
A process for the processing of silicate minerals, the process comprising passing an ore or concentrate (1) containing a silicate mineral to a pre-treatment phase, the pre-treatment phase including a size separation step (20) to produce ...
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WO/2019/197192A1 |
Process for the recovery of transition metal from spent lithium ion batteries containing nickel, wherein said process comprises the steps of (a) heating a lithium containing transition metal oxide material to a temperature in the range o...
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WO/2019/190163A1 |
The present invention relates to a method for manufacturing high-purity vaterite-type or calcite-type calcium carbonate by using indirect carbonation of seawater, wherein: calcium of alkaline industrial byproducts (CKD and PSA), CaO, and...
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