| Document |
Document Title |
|
WO/2022/128491A1 |
The present invention relates to a method for producing a recycled catalyst comprising at least one group VIB metal M1 and/or at least one group VIII metal M2, optionally phosphorus and/or sulphur, and a carrier based on oxide(s). The me...
|
|
WO/2022/127117A1 |
Disclosed in the present invention is a low-cost method for cleanly treating a positive electrode material of a waste lithium ion battery. The method comprises: performing high-temperature reduction on the pre-treated positive electrode ...
|
|
WO/2022/127316A1 |
An aluminum-based lithium ion sieve, a preparation method therefor and the use thereof. The aluminum-based lithium ion sieve is AI(OH)3-coated Li2SO4·2AI(OH)3·nH2O, wherein n is 1-4. The preparation method comprises: using a reaction b...
|
|
WO/2022/130793A1 |
The present invention provides a method for processing lithium ion battery waste, said method being capable of effectively precipitating aluminum ions and iron ions in a liquid by means of neutralization and being capable of relatively e...
|
|
WO/2022/130316A1 |
An apparatus for processing chemically exposed particulate solids, such as incineration dusts, abrasion dusts, steelworks dusts, sewage sludge, animal meal, shredder light fraction, battery scrap and the like, comprises a housing within ...
|
|
WO/2022/122022A1 |
A method for preparing silicon carbide from a waste circuit board light panel cracking residue, belonging to the field of comprehensive utilization of waste circuit board cracking products, and particularly relating to a new method for h...
|
|
WO/2022/123438A1 |
The present invention discloses a process for recovering precious metals from electronic waste comprising the steps of cutting the terminals from the electronic waste involving metallic and non-metallic fractions using a mechanical proce...
|
|
WO/2022/123444A1 |
The invention relates to a process for the treatment of photovoltaic panels at the end of their life and has the aim of recovering plastics and especially high-purity glass, to put them back on the market as secondary raw materials. The ...
|
|
WO/2022/123586A1 |
5 "A process for neutralization of spent catalyst" The present invention provides a process for neutralization of spent catalyst more particularly neutralizing the spent Ziegler Natta catalyst 10 used in Butene-1 production process in pl...
|
|
WO/2022/119063A1 |
A method for recycling HSS processing process waste comprises: a pre-treatment step of pre-treating the HSS processing process waste; a primary melting step of forming a primary melt by primarily melting, at a temperature of 1500-2500 de...
|
|
WO/2022/117585A1 |
The present invention relates to a method for the pyrometallurgical smelting of metal-containing raw materials, waste materials and/or secondary waste materials (M), said materials being fed in comminuted form to a smelting unit (1) whic...
|
|
WO/2022/116859A1 |
The present invention relates to a method for separating and extracting rare earth and regenerated rare earth polishing powder from waste rare earth polishing powder. The method is characterized by comprising: first using a primary acid ...
|
|
WO/2022/117466A1 |
The invention relates to a method for the recovery of aluminium from aluminium scrap with adhering organic deposits in a multichamber melting furnace (1), at least comprising the following method steps: - batchwise charging of the hearth...
|
|
WO/2022/118187A1 |
Cooling apparatus (1), for cooling a material, in particular for cooling white and / or black slag and / or the residue that forms at the bottom of a ladle furnace, characterized in that it comprises: - at least one reactor (2), with tub...
|
|
WO/2022/118927A1 |
A zinc production method, according to the present invention, further comprises chlorine concentration adjustment steps 101, 101', and 105 for using a hydroxylated alkaline aqueous solution as an extraction solvent for selectively extrac...
|
|
WO/2022/116870A1 |
The present invention relates to a method for recovering rare earths from waste cerium-based rare-earth polishing powder by two-step acid leaching stepwise separation, characterized by: first using primary acid leaching to treat a waste ...
|
|
WO/2022/111266A1 |
Provided is an impurity removal and treatment method in a recovery process of a scrapped positive electrode material of a lithium battery: comprising: at a first temperature higher than a room temperature and a fixed first pH value, cont...
|
|
WO/2022/110822A1 |
A method for separating copper and manganese, comprising the following steps: (1) performing first extraction on a copper-manganese liquid to obtain a first organic phase and a first aqueous phase, wherein an extraction agent A used in t...
|
|
WO/2022/112657A1 |
Described here is a method for recovering stainless steel from stainless steel slag, wherein the method comprises providing stainless steel slag, subjecting the stainless steel slag to dry milling followed by classifying the milled stain...
|
|
WO/2022/114377A1 |
The present invention relates to titanium deoxidation method and deoxidation apparatus, and the titanium deoxidation method according to the present invention comprises: a charging step of placing a titanium raw material, which is compos...
|
|
WO/2022/104427A1 |
A process for recovery of one or more target metals, selected from precious metals and chalcophile metals as respectively herein defined, from materials containing precious and/or chalcophile metal/s, said process including: (i) leaching...
|
|
WO/2022/106660A1 |
A process for extracting fluoride from a solution of high pH comprising more than 0.1 mol of alkaline hydroxide and/or alcoholate per liter dissolved in a polar solvent is described. The polar solvent is chosen from water, lower alcohols...
|
|
WO/2022/102177A1 |
[Problem] To provide a melt mixing system that: makes it possible to suppress generation of oxides during a step for mixing together a first melt obtained by melting a first melt material and a second melt obtained by melting a second me...
|
|
WO/2022/097715A1 |
The present invention provides a method by which high-purity lithium hydroxide is efficiently produced with less energy, wherein only Li ions are recovered into a recovery liquid, with use of an Li permselective membrane, from a lithium ...
|
|
WO/2022/096223A1 |
The invention relates to a method for processing hard metal, more particularly hard metal scrap, wherein: - the hard metal is alloyed with a low-melting alloying metal in a reaction chamber of a reactor (10) while heat is applied; - the ...
|
|
WO/2022/092374A1 |
The present invention relates to a method for isolating cobalt, nickel and copper, which are contained in a waste lithium ion battery, by means of selective leaching. The method according to the present invention is a leaching method for...
|
|
WO/2022/088641A1 |
The present invention relates to the technical field of resource recovery, and discloses a non-full extraction battery recovery method, comprising the following steps: introducing pre-treatment gas into a device containing waste battery ...
|
|
WO/2022/091801A1 |
The present invention is a method for collecting a heavy rare earth element from a heavy rare earth element-containing molten salt electrolysis residue and recycling the same, wherein said method comprises: a step for executing a fluorin...
|
|
WO/2022/089203A1 |
An extraction method for removing aluminum from a leaching solution of a ternary battery material, comprising the following steps: (1) saponification: mixing an extraction solvent and a saponifier together to obtain a saponified extracti...
|
|
WO/2022/085222A1 |
A method for recovering lithium, wherein after obtaining a molten metal that contains a valuable metal and a molten slag that contains at least aluminum and lithium by melting a lithium ion secondary battery to be discarded, lithium is r...
|
|
WO/2022/082258A1 |
A process for treating a material to remove sulphates or other impurities therefrom comprises a) subjecting the material to a leaching step to selectively dissolve sulphate-containing material or dissolve other impurities from the materi...
|
|
WO/2022/085635A1 |
A method for recovering lithium from a material that contains fluorine and lithium, wherein: the material is mixed with an aqueous sulfuric acid solution or water, thereby obtaining a mixed solution in which fluorine and lithium in the m...
|
|
WO/2022/079409A1 |
A method for selectively removing Li from an input material comprising Li and one or more transition metals, comprising the steps of: contacting said input material with a leaching medium comprising formic acid; and leaching Li from the ...
|
|
WO/2022/080657A1 |
A method for recovering an active material from cathode scraps and reusing same is provided. A cathode active material reuse method of the present invention comprises the steps of: (a-1) dry grinding cathode scraps, which comprise a cath...
|
|
WO/2022/074329A1 |
Disclosed is a method for discharging an electrochemical generator (10) comprising a negative electrode (20) containing lithium or sodium and a positive electrode (30), the method comprising a discharging step during which the electroche...
|
|
WO/2022/075525A1 |
A method for recovering zinc, indium and gallium from a waste IGZO target is provided. The method comprises the steps of: grinding a waste target composed of indium gallium zinc oxide, so as to generate a ground product; generating a mix...
|
|
WO/2022/074328A1 |
The invention relates to a method for securing an electrochemical generator (10) comprising a negative electrode (20) containing lithium or sodium and a positive electrode (30), the method comprising the following successive steps: (a) i...
|
|
WO/2022/067448A1 |
Solutions and methods for leaching coinage metals. For example, Solutions and methods for leaching copper and/or silver from a substance comprising copper and/or silver (such as a coinage metal-concentrate, or electronic waste) using a w...
|
|
WO/2022/071274A1 |
This method for eluting a valuable metal from a glass-containing electrode containing glass and a valuable metal insoluble in a hydrofluoric acid involves: immersing an object including the glass-containing electrode in a hydrofluoric ac...
|
|
WO/2022/069838A1 |
The invention relates in particular to a method for recycling a first lithium ion battery electrode, a precursor mixture of an electrode composition obtained through said recycling, and the composition resulting therefrom. The first elec...
|
|
WO/2022/071297A1 |
Provided is a method for eluting valuable metals from a glass-containing electrode that contains valuable metals and glass, wherein the method includes: a step for pulverizing an object that contains a glass-containing electrode; and a s...
|
|
WO/2022/069692A1 |
The present invention discloses the use of a spinel-based recovered sorbent of formula Zn0.85Mn2.15O4 or Zn0.25Mn2.75O4, working at a temperature range between 300 °C and 500 °C, for the removal of sulphur in gasification processes suc...
|
|
WO/2022/062674A1 |
The present invention relates to the field of hydrometallurgy. Disclosed is a method for recycling gold from full-mud cyanide tailings, comprising the following steps: (1) performing pulping and screening on cyanide tailings to obtain a ...
|
|
WO/2022/065721A1 |
Provided is a method for recovering and reusing an active material from positive electrode scrap. The method for reusing a positive electrode active material of the present invention comprises the steps of: (a) dry-grinding positive elec...
|
|
WO/2022/061476A1 |
An electronic waste (E-waste) recycling process and composite article or material using the E-waste. E-waste, for example including printed circuit boards (PCBs) and/or electronic components (ECs) such as integrated circuit chips, is siz...
|
|
WO/2022/059565A1 |
A method for recovering valuable materials from a lithium ion secondary battery, the method including: a heat treatment step for heat-treating a lithium ion secondary battery containing aluminum, carbon, and copper foil as constituent ma...
|
|
WO/2022/057882A1 |
Disclosed is a resource recycling method for a copper smelting residue, comprising the following steps: (1) mixing a copper blowing residue, a vulcanizing agent 1, a residue type modifier 1 and a reducing agent 1, smelting same to obtain...
|
|
WO/2022/057412A1 |
The present application provides a method for separating nickel from lithium, comprising: (1) performing a saponification reaction on an extraction reagent and an alkaline compound to obtain a saponified extraction agent, wherein the ext...
|
|
WO/2022/059009A1 |
The present invention relates to a process for the beneficiation of solids and ores. The solids comprise metal oxides or metal hydroxides or metal carbonate or metal bicarbonates or salt of weak acids. In said process, a strong acid salt...
|
|
WO/2022/052911A1 |
A blast furnace recovery and smelting apparatus and method for lead-containing materials, which belong to the technical field of environmental protection. The apparatus comprises a blast furnace, a powder storage tank, a mixer, a coal in...
|
