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WO/2024/003452A1 |
According to an example aspect of the present invention, there is provided a method for processing a manganese containing material comprising: a) leaching the manganese containing material using sulfuric acid and hydrogen peroxide to pro...
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WO/2024/003163A1 |
The present invention relates to a method for separating carbon dioxide in the form of carbonates.
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WO/2024/003541A1 |
A method (100, 200) of recovering alkali metal materials from battery waste comprises obtaining (102) black mass from battery waste, the black mass comprising electrode materials and one or more impurities including at least one of fluor...
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WO/2024/000868A1 |
Disclosed in the present invention is a self-cleaning filter press for waste battery recycling capable of avoiding material caking, comprising a support bottom plate. Two extension plates are fixedly mounted at the top of the support bot...
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WO/2024/000818A1 |
Disclosed in the present invention is a recovery method for spent lithium battery materials. The recovery method comprises the following steps: (1) subjecting a battery powder obtained by disassembling cells of spent lithium batteries to...
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WO/2024/000614A1 |
A method for recovering hafnium and other metals from hafnium-containing waste residues, comprising: dissolving hafnium-containing waste residues by using sulfuric acid and ammonium sulfate to obtain an acid-dissolved product, adjusting ...
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WO/2023/247276A1 |
The invention relates to a method (100) for recycling polymer membranes comprising metal-containing catalyst material. The method comprises the following steps: S2: adding water without adding organic solvents to a polymer membrane compr...
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WO/2023/247832A1 |
Provided herein is a method of treating and upgrading industrial furnace by-products, such as steelmaking slag and incinerator bottom ash (IBA) into valuable products, the method comprising the steps (a) providing the industrial furnace ...
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WO/2023/247630A1 |
The invention relates to a method for treating a residue obtained from the chloride process, wherein the residue comprises the components titanium dioxide, coke, an inert metal oxide, and an iron-containing component. Further, the invent...
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WO/2023/246500A1 |
The present disclosure provides a lithium salt recovery method and recovery device for aluminum electrolysis waste, belonging to the field of aluminum electrolysis. The method comprises: mixing aluminum electrolysis waste powder with wat...
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WO/2023/249649A2 |
A hydrometallurgical process is described that can isolate and recover NIMH battery constituents in high-value form: the nickel and cobalt hydroxides (cathode) as nickel and cobalt hydroxides; elemental nickel and cobalt (metallic anode)...
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WO/2023/246080A1 |
The present invention relates to the field of waste recycling. Disclosed is a method for recycling industrial waste salt and a waste denitration catalyst. The method comprises: (1) pretreating industrial waste salt and a waste denitratio...
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WO/2023/247913A1 |
A method of recycling a waste catalyst coated membrane material comprising an ionomer membrane, at least one catalyst comprising platinum, palladium and/or ruthenium, and at least one catalyst comprising iridium, the method comprising: (...
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WO/2023/241087A1 |
The present invention provides a thiodiglycolic acid extraction agent, and a preparation method therefor and use thereof, in the technical field of extraction separation in the fields of extraction agent synthesis and hydrometallurgy. Th...
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WO/2023/242129A1 |
The present invention relates to a process for selectively capturing chemical elements from a polymetallic liquid sample.
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WO/2023/243702A1 |
This noble metal production method comprises: a base metal dissolution step for producing a noble-metal-containing raw material and a base metal eluate in which a base metal has been dissolved; a noble metal dissolution step for producin...
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WO/2023/240334A1 |
The present relates to a process of shredding a lithium battery. The lithium battery is shredded and quenched with a shredding liquid in a shredding compartment to safely discharge the batteries and producing shredded battery residues an...
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WO/2023/240346A1 |
Methods and systems for the extraction of magnetic material from magnet containing material, and for extraction of rare earth elements (REEs) from the magnetic material are disclosed. An exemplary system includes a milling/washing unit f...
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WO/2023/243385A1 |
Provided is a recycled positive electrode material comprising: lithium, nickel, cobalt, and manganese; 0.3 mass% to 3 mass% of aluminium; and less than 1 mass% of at least one of copper and iron.
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WO/2023/238446A1 |
The present invention enables recovery of a high-purity manganese-containing solution from a waste dry battery with high yield. A method for recovering manganese that is contained in a waste dry battery according to the present inventi...
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WO/2023/239119A1 |
The present invention provides an optimized method for recovering high-purity lithium phosphate from lithium-containing composite oxides deposited on the eroded surface of a waste saggar. The method of the present invention for producing...
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WO/2023/239095A1 |
The present invention provides an optimized method for collecting high-purity lithium carbonate from a lithium-containing composite oxide deposited on an eroded surface of discarded waste sagger. Therefore, the use of the method for manu...
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WO/2023/237716A1 |
The invention provides a process for generating a metal sulphide comprising nickel and/or cobalt, comprising the steps of: i. forming an aqueous metal sulphate solution by reacting sulphuric acid with a raw material feed comprising nicke...
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WO/2023/237692A1 |
The invention relates to a melting furnace (100) for melting metal, comprising: - a first heating device (130) having at least one electrically heatable immersion heating element (131); and - a circulating arrangement (120) designed to c...
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WO/2023/238447A1 |
According to the present invention, a high-purity manganese-containing solution is recovered with high yield from a waste dry battery. In this recovery method for manganese contained in a waste dry battery, the following steps are perf...
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WO/2023/239120A1 |
The present invention provides an optimized method for recovering high-purity lithium carbonate from lithium-containing complex oxides, such as lithium silicate, lithium aluminum oxide, and lithium aluminum silicate, deposited on the ero...
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WO/2023/234608A1 |
The present invention is a method for refining iron oxide which is a by-product of a zinc smelting process, the method comprising: a firing process for firing the iron oxide; a washing process for washing an iron oxide cake with a washin...
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WO/2023/234623A1 |
The present disclosure relates to a method for removing halides from waelz oxide which comprises halides. According to the present method it is possible to effectively remove halides included in waelz oxide, particularly insoluble fluori...
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WO/2023/229007A1 |
The problem to be solved by the present invention is to provide a method for extracting aluminum without causing precipitation of aluminum from an acid dissolution solution. A method for extracting aluminum according to the present inven...
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WO/2023/228912A1 |
Provided is: a separation method for stainless steel capable of efficiently separating stainless steel from electrical/electronic component scraps, in particular, crushed scraps obtained by subjecting electrical/electronic component scra...
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WO/2023/229494A1 |
The invention relates to the field of chemical technology and non-ferrous metallurgy and can be used for extracting vanadium from petroleum coke combustion ash. Petroleum coke combustion ash is leached, and vanadium is then extracted fro...
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WO/2023/229045A1 |
The present invention addresses the problem of providing a method which is for recovering lithium from waste lithium ion batteries, and which enables recovering of lithium at a high recovery rate. This method for recovering lithium from ...
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WO/2023/225716A1 |
A method of recycling a battery waste material comprising Li and one or more of Mn, Co, and Ni, the method comprising: extracting Li from the battery waste material by selectively dissolving Li in a solvent; after extracting Li, forming ...
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WO/2023/228537A1 |
To provide a slag that allows the slag melting point to be effectively controlled to a predetermined temperature or below while keeping down the amount of flux added and that effectively concentrates Li by keeping down the amount of slag...
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WO/2023/228538A1 |
The present invention provides Li-containing slag which is obtained by melting a starting material such as waste lithium ion batteries that contain Li and Al, and which has a slag melting point that is effectively controlled to a specifi...
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WO/2023/223144A1 |
The present invention relates to a dry process for recycling lithium-ion rechargeable batteries, lithium-polymer rechargeable batteries and nickel-metal hydride rechargeable batteries and for directly recovering cobalt, lithium, nickel, ...
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WO/2023/224907A1 |
A method of obtaining an electrode metal from an electrode of a lithium-ion (Li-ion) battery includes separating an electrode portion from a spent Li-ion battery. A leaching solvent is contacted to the separated electrode portion to form...
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WO/2023/217710A1 |
The present invention lies in the field of pyrometallurgy and discloses a process and a slag suitable for the recovery of Ni and Co from Li-ion batteries or their waste, particularly from Black Mass. The slag composition is defined accor...
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WO/2023/220072A1 |
In one aspect, the disclosure relates to relates to systems and methods for the separation and recovery of rare earth elements and other critical minerals from AMD-based pre-concentrate materials, e.g., a solid pre-concentrate material, ...
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WO/2023/217568A1 |
The invention relates to a method for recovering ruthenium from a ruthenium-containing material, with the steps of: a) adding an oxidizing agent to a ruthenium-containing material, b) oxidizing the ruthenium to ruthenium tetroxide, and c...
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WO/2023/212815A1 |
It is provided an environmentally friendly process for recycling metals and nonmetallic components from printed circuit boards (PCBs), without using treatments considered damaging to the environment and minimizing emission of greenhouse ...
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WO/2023/214352A1 |
The present invention relates to a process (10) for the recovery of electrochemically active powder for use in new batteries, comprising the following steps: - a first step (11 ) of reducing the residual charge of the batteries to be tre...
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WO/2023/211560A1 |
Systems and methods for recovery of molten metal are generally described. Certain systems comprise a reactor (e.g., a reduction cell such as an electrolytic cell comprising an anode, a cathode, and an electrolyte) comprising molten metal...
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WO/2022/195527A9 |
Method for recovering elements from printed circuit boards, wherein the method comprises a step (S3) of melting the printed circuit boards (2), as well as a step (S4) of refining or purifying the melted printed circuit boards (2), charac...
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WO/2023/209646A1 |
A method for processing a source material containing zinc ferrite that includes the following step: B. Partially reduce source material using a reducing gas containing hydrogen to form a reduced material; where step B is carried out at b...
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WO/2023/208436A1 |
The invention relates to a method for recycling rechargeable batteries (10), in particular lithium rechargeable batteries (10) and/or sodium rechargeable batteries, which each consist of at least one galvanic element, each having two pol...
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WO/2023/210604A1 |
The present invention pertains to a method for producing a sulfide-based solid electrolyte, the method including heating/melting a raw material under an elemental sulfur-containing gas atmosphere. The raw material includes a source of li...
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WO/2023/209105A1 |
It relates to a process for the recovery of a platinum group metal (PGM) material comprising platinum from a waste material which comprises a spent solid residue containing platinum and optionally palladium, which comprises the steps of:...
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WO/2023/198303A1 |
The invention relates to a method of recovering catalyst material from a membrane electrode assembly (10) from water electrolysis, comprising the steps of: – providing (1) a membrane electrode assembly (10) comprising a membrane (24) c...
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WO/2023/198692A1 |
The invention relates to a method and a facility (20) for recycling rechargeable battery cells (Z) or parts thereof which have electrolyte, lithium, and films provided with coating material, namely cathode films with a coating made of a ...
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