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Patent Searching and Data


Matches 401 - 450 out of 9,525

Document Document Title
WO/2022/235356A1
A method for extracting noble metals from mining tailings and other solids is provided. The method uses a Lewis acid, Brønsted acid, complexing agent and oxygen to provide excellent extraction without the need for chorine gas or cyanide.  
WO/2022/229327A1
The present invention relates to a process for obtaining alkali metal chlorides from bypass dusts that are produced during the operation of rotary kilns, e.g. in cement or clinker manufacturing plants.  
WO/2022/227179A1
The present invention relates to the field of comprehensive utilization of copper slag, and relates to a molten copper slag depletion and side-top combined blowing reduction integrated method. Specific steps are: (1) molten copper slag i...  
WO/2022/230861A1
With respect to recovery of a valuable metal from a waste lithium ion battery (LiB) and a waste material from the LiB production, the purpose of the present invention is to solve: the problem of recovering a valuable metal from an active...  
WO/2022/227184A1
A comprehensive utilization method for bottom-top composite blowing smelting reduction of high-iron red mud, the method mainly comprising the following steps: mixing high-iron red mud with a reducing agent, a slag former and fluorite; ad...  
WO/2022/227183A1
A copper slag thermal-state eddy current dilution method, comprising the following steps: (1) adding thermal-state copper slag to a dilution furnace to form a molten pool, heating the molten pool and maintaining the temperature using an ...  
WO/2022/224711A1
The present invention provides a method for producing a valuable metal from a starting material that contains waste lithium ion batteries, the method being capable of effectively obtaining a metal which has a reduced phosphorus content.ã...  
WO/2022/222348A1
The present application provides a recovery method for an ultra-high-purity copper-manganese target material. The recovery method comprises: performing primary treatment on an ultra-high-purity copper-manganese target material; performin...  
WO/2022/223061A1
Method for obtaining iron concentrate from metallurgical slags from steel production, containing at least 10 mass % of Fe, consists in their gradual crushing and grinding to a granulate with the particles of maximum grain size 1.0 mm, an...  
WO/2022/221903A1
A method is described of manufacturing high purity alumina of at least 4N using de-coated aluminium cans as the only source of aluminium in the feedstock.  
WO/2022/224719A1
Provided is a method that is for producing, from a raw material containing an oxide including nickel and cobalt, a valuable metal containing said nickel and cobalt, and that enables the degree of reduction of an alloy obtained through a ...  
WO/2022/219223A1
The present invention relates to a method for extracting metals from the black mass of lithium-ion batteries, the black mass containing the anode and cathode materials of the batteries, and the cathode material comprising lithium and nic...  
WO/2022/219221A1
The present invention relates to a method for extracting metals from the black mass of lithium-ion batteries, the black mass containing the anode and cathode materials of the batteries, wherein the cathode material comprises lithium, nic...  
WO/2022/219222A1
The present invention relates to a method for extracting metals from the black mass of lithium-ion batteries, the black mass containing the anode and cathode materials of the batteries as well as some copper, and the cathode material com...  
WO/2022/216741A1
Various embodiments include a system or platform that uses electrochemistry to upcycle waste products and low-value minerals into valuable, carbon dioxide (CO2)-neutral materials. Various embodiments may include systems and/or methods fo...  
WO/2022/213678A1
The present invention belongs to the technical field of battery metal recovery, and disclosed are a method for recycling aluminum in a waste positive electrode sheet by using selective leaching and an application thereof, the method comp...  
WO/2022/213677A1
The present invention relates to the technical field of battery recycling. Disclosed are a recycling method for controlling the particle size of aluminum slag and an application of the recycling method. The recycling method comprises the...  
WO/2022/211446A1
The present invention relates to a processing method for reusing a waste battery, the processing method comprising the steps of: cooling, for a minimum cooling time satisfying formula 1 below, a battery pack comprising, as a unit cell, a...  
WO/2022/206066A1
A method for recovering valuable metals from waste lithium-ion batteries, the method comprising first adding concentrated sulfuric acid to battery powder for aging and leaching, then adding water for water leaching, and subjecting same t...  
WO/2022/204819A1
Provided are systems and methods for transport vehicles using recyclable metallic fuels. The method includes capturing fuel products, including a metal oxide and unburnt fuel from the combustion of a metallic fuel, storing the unburnt me...  
WO/2022/209421A1
This method for treating battery waste includes: a first heat treatment step of heating the battery waste under an atmosphere including at least one selected from the group comprising nitrogen, carbon dioxide, and steam; and, after the f...  
WO/2022/210674A1
A separation method according to the present invention comprises: a step for obtaining a mixture by mixing a solvent with a member that comprises an active material and a solid electrolyte; and a step for obtaining a solid component and ...  
WO/2022/205498A1
A depletion agent and method for copper-nickel smelting slag and/or blowing slag. The present invention belongs to the fields of environment, copper-nickel metallurgy, and resource comprehensive utilization. In the method, a novel deplet...  
WO/2022/211648A1
The subject of the invention is the device for disposal of lithium batteries that are not suitable for further use. The device for disposal of lithium batteries, where the ground batteries are immersed in tanks with water/acid converting...  
WO/2022/200747A1
The invention relates to a pyrometallurgical method for recycling shredded material of end-of-life Li-ion electric vehicle batteries, and/or waste from the production of these new and defective batteries, and/or portable Li-ion batteries...  
WO/2022/200770A1
A pellet comprising C-grade iron fines and a binder; a method of producing said pellet, comprising mixing the C-grade iron fines and the binder to form a mixture and agglomerating the mixture to form a pellet; and a method of producing s...  
WO/2022/193781A1
Provided are a regeneration method for a waste ternary positive electrode material, and the use thereof, which belong to the technical field of battery material recycling. The regeneration method comprises the following steps: drying, cr...  
WO/2022/197027A1
In a method for regenerating a lithium precursor, a positive electrode active material mixture including lithium composite oxide particles is prepared. The positive electrode active material mixture is agglomerated to prepare active mate...  
WO/2022/191593A1
A method for preparing a pretreated product for recovering valuable metals of a lithium secondary battery comprises the steps of: preparing a cathode active material mixture from a cathode of a lithium secondary battery; drying or grindi...  
WO/2022/190153A1
The present invention concerns a method for the treatment of jarosite and other residues (1) of the zinc and lead production industry, including the following steps: thermal treatment (10) of the residues (1), at a temperature between 50...  
WO/2022/191179A1
This method for recovering a valuable metal from a used LIB comprises: a step for adding zinc metal to an electrode assembly, which has been taken out of a detoxified used LIB, in an excess amount relative to the mass of the electrode as...  
WO/2022/191499A1
In a method for recovering lithium hydroxide from a lithium secondary battery, positive electrode powder is prepared from a positive electrode of a lithium secondary battery. A positive electrode active material mixture is prepared by mi...  
WO/2022/191290A1
inorganic solution that is less likely to be dissolved in both a basic solution and an acidic solution and has high energy efficiency, the method (method M10 for producing a BeCl2 solution) comprises a heating step (S13) for dielectrical...  
WO/2022/183285A1
A method of precipitating copper sulphide from an incoming feed stream comprising copper liberated from within battery materials can includes the steps of: a) receiving an incoming feed stream comprising copper entrained in a carrier liq...  
WO/2022/184688A1
It is described a method of processing an etching waste medium from circuit board and/or substrate manufacture, the method comprising: i) providing a medium to be processed (11), being the etching waste medium, in particular from an etch...  
WO/2022/185974A1
Provided is a method for recovering manganese from a waste dry battery, whereby it becomes possible to recover a high-purity manganese-containing solution in a simple manner. The present invention includes the following steps in this ord...  
WO/2022/183243A1
The present invention relates, inter alia, to a method of producing a co-precipitate comprising nickel, manganese and/or cobalt, and to a co-precipitate produced by the method. The method may be a method of producing a co-precipitate com...  
WO/2022/178884A1
A device for removing heavy metals in decaying refuse, the device comprising a housing (1), wherein the top of the housing (1) is provided with a feed port (2); a baffle (3) is arranged in the middle of the feed port (2); hinges (4) are ...  
WO/2022/176709A1
The present invention has an acid leaching step S4 for adding acid S to battery slag M extracted from a lithium ion cell to form a leachate E, a fourth addition step S11 for adding sodium carbonate A4 to a third treated filtrate F3 that ...  
WO/2022/175854A1
Functionalized machinery (1) for the semi-automated extraction of metallic cables (2) from the stators (3) and rotors (4) of electric motors, which allows reducing the extraction times and increasing the productivity and the earnings in ...  
WO/2022/172495A1
According to the present invention, dust Da containing zinc and iron is placed in a rotating cylindrical kiln base body 11 of an indirect-heating rotary kiln 10, and is subjected to a heat treatment in the kiln base body so that zinc con...  
WO/2022/170399A1
A method for the recovery of metals from a feed stream (1) containing one or more value metals, the method comprising: (i) passing the feed stream (1) to an alkaline leach (20) to form a slurry (5) including a pregnant leach liquor of so...  
WO/2022/170383A1
A centrifugal concentrator (10) comprises: a bowl (20) having a frusto-conical wall (30); a slurry inlet (50); and a basket (40) comprising a series of riffles (42); wherein the basket (40) is moveable between a first configuration and a...  
WO/2022/168805A1
The present invention has: a heating step (S3) for heating a battery slag (M1) having a positive-electrode active material that includes one or both of Ni and Co and a negative-electrode active material that includes graphite, and thereb...  
WO/2022/166476A1
Disclosed are a method for extracting nickel from nickel-containing iron powder and preparing iron phosphate, and an application. The method comprises the following steps: (1) adding sulfuric acid and phosphoric acid into nickel-containi...  
WO/2022/168462A1
The purpose of the present invention is to provide an impurity removal method that enables efficient removal of impurities that are contained in aluminum or an aluminum alloy and that are difficult to remove. The impurity removal method ...  
WO/2022/165588A1
A method and system for processing aluminum alloy rims are provided, involving providing a feed of a plurality of aluminum alloy rims of different compositions, each aluminum alloy rim in the plurality of aluminum alloy rims having a ser...  
WO/2022/164878A1
Methods of reducing copper metal content of shredded scrap steel are provided. The method includes continuously separating a first scrap steel fraction from an amount of scrap steel concurrently with separating a second fraction from the...  
WO/2022/162252A1
The present method relates to a method for biological recovery of metals from electrical and electronic waste, comprising: a) inoculating a series of aerobic iron-oxidising microorganisms and a mineral medium or fertilisers into a column...  
WO/2022/161086A1
The present invention belongs to the technical field of the recycling of spent lithium-ion batteries, and provided is a process for selectively recovering current collectors from spent lithium-ion batteries, the process comprising the fo...  

Matches 401 - 450 out of 9,525