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WO/2021/088285A1 |
Disclosed are an extraction system and extraction method for extracting lithium and boron by separating calcium from a calcium-containing brine with a secondary amide/alkyl alcohol composite solvent and the use of the extraction method. ...
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WO/2021/088288A1 |
An extraction system and an extraction method for extracting lithium and boron by separating magnesium from magnesium containing brine using a secondary amide/alkyl alcohol composite solvent, and an application thereof. The extraction sy...
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WO/2021/091929A1 |
Provided are processes for extracting lithium and optionally nickel from a Nickel(II)/Lithium(I) (Ni2+/Li+) solution. The extraction is optionally performed in a series of steps with counterflow of aqueous and organic flows to thereby pr...
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WO/2021/090571A1 |
Provided is a method for separating lithium, with which lithium is separated from a lithium solution containing 200 mg/L or more of lithium and 20 mg/L or more of fluorine. The method includes: a first removal step for adding a first com...
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WO/2021/091822A1 |
An integrated refinery process for the disposal of metal-containing spent coked catalyst from hydrotreating and/or hydrocracking unit operations includes introducing the spent coked catalyst into a membrane wall gasification reactor in t...
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WO/2021/088289A1 |
Provided are an extraction system, extraction method, and application for separating magnesium and extracting lithium from a magnesium-containing brine by using a secondary amide/alkane composite solvent. The extraction system contains s...
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WO/2021/083263A1 |
Disclosed is a method for extracting lithium by means of extraction-back extraction separation and purification, the method comprising the following steps: (1) extracting and separating a lithium-containing solution using an extraction s...
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WO/2021/081724A1 |
Disclosed is an energy-saving extraction device for treating scraps of neodymium iron boron. The device comprises universal wheels (1), a light liquid pump (4), a countercurrent extraction tower (8) and an electric motor (13). A mounting...
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WO/2021/077922A1 |
Provided is a method for extracting copper from a waste printed circuit board using glycine. The steps are: through dismantling and mechanical crushing treatment to obtain the sample of the waste printed circuit board with the smaller pa...
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WO/2021/077444A1 |
The present invention relates to the technical field of alloy processing. Disclosed is a processing technology for high-performance secondary aluminum based on the change of the morphology of an iron-rich phase, comprising the steps of: ...
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WO/2021/072799A1 |
A system for preparing a squeeze casting aluminum alloy from a recycled aluminum, comprising a squeeze casting device body, a squeeze casting side plate, and a scrap aluminum volume compression member. One side of the squeeze casting dev...
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WO/2021/075135A1 |
A method for recovering manganese from waste dry batteries, said method sequentially comprising, in the following order: a step for sorting waste dry batteries; a fracturing/sieving step for obtaining a particulate material from the wast...
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WO/2021/074432A1 |
The invention relates to a process for treating, with a plasma, a composition comprising at least a first compound and a second compound, characterized in that said process comprises at least: - generating, within an enclosure, a non-equ...
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WO/2021/072798A1 |
Disclosed is a method for resource recovery from aluminium slag resulting from an aluminium refining process. The method comprises the following steps: (1) crushing and grinding aluminium slag, and mixing same with an alkali metal salt; ...
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WO/2021/075467A1 |
The present invention is a method for producing, from a cobalt sulfate solution including nickel ions, a high-purity cobalt sulfate solution having a higher purity level of cobalt compared to the aforementioned cobalt sulfate solution. T...
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WO/2021/072534A1 |
A process for the recovery of titanium dioxide from various feedstocks comprising titanium, vanadium and iron compounds is disclosed. The process comprises: leaching the feed material with a first HCl solution (e.g. 20% by weight or more...
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WO/2021/074522A1 |
The invention relates to a method for selective leaching of metal zinc, comprising the following consecutive steps: a) providing a mixture of solid particles comprising metal zinc and metal copper in alloy form, b) immersing the mixture ...
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WO/2021/075136A1 |
A method for recovering manganese from waste dry-cell batteries according to the present invention includes the following steps carried out in the following order: a waste dry-cell battery sorting step; a crushing and sifting step for ob...
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WO/2021/072562A1 |
The invention relates to a zero-waste process that uses final slag from copper smelting to produce commercial products, which comprises: (a) charging/pouring materials: adding a reducing agent, slag and oxides to a reactor/oven; (b) redu...
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WO/2021/068037A1 |
The present invention relates generally to methods for the preparation of nickel-based alloys using waste materials, and more particularly to the preparation of nickel-based alloys using spent batteries.
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WO/2021/069822A1 |
Disclosed is a method for recycling a battery comprising the following steps: a) dissolving a piece of battery waste, for example an electrode, comprising lithium and a metal chosen from cobalt and manganese, whereby a solution to be tre...
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WO/2021/062897A1 |
Disclosed are an irreversible covalent organic framework for efficiently and selectively recovering gold and a preparation method therefor, and the present invention belongs to the technical field of recovering a precious metal from an a...
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WO/2021/064055A1 |
The present invention relates to a method for smelting metal- and metal oxide containing wastes and side streams, such as slags, dust, scales and sludges genereated in stainless steel and ferrochrome manufacturing processes. The invented...
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WO/2021/060873A1 |
The present invention relates to a method for treating a waste battery, comprising the steps of: preparing a waste battery including an aluminum current collector and a waste cathode including a cathode active material layer formed on at...
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WO/2021/061184A1 |
The subject matter described herein includes a method for extracting a desired metal from a substance. The method includes contacting the substance with an alkaline leach to separate the desired metal from the substance, providing ultras...
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WO/2021/042176A1 |
A process for preparing high purity alumina from aluminium-bearing materials originating from the Bayer process. The process comprising digesting the aluminium-bearing materials with hydrochloric acid to produce an aluminium chloride liq...
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WO/2021/037032A1 |
The present invention relates to solid waste processing in the field of environment protection and comprehensive utilization of resources. The present invention relates to a method for separation, purification and recovery of a valuable ...
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WO/2021/037031A1 |
A method for refining large-diameter pure copper or copper alloy particles by high-energy ball milling, comprising the following steps: (1) using large-diameter pure copper or copper alloy coarse particles the raw material, using cyclohe...
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WO/2021/028694A1 |
A process for recovering a metal in the form of a metal halide from a metal-containing source is described, the process comprising the steps of:- (i) forming a solid metal halide containing product by contacting the metal-containing sour...
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WO/2021/028685A1 |
The present invention relates to the desulfurisation of lead-containing waste. In particular, the present invention relates to a method in which lead-containing waste is desulfurised to form a desulfurised lead-containing waste material ...
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WO/2021/027634A1 |
The present invention relates to the technical field of metallurgical solid waste treatment, and relates to a treatment process of zinc-containing dust sludge solid waste. The treatment process of the zinc-containing dust sludge solid wa...
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WO/2021/018788A1 |
A process for the recovery of one or more transition metals and lithium from waste lithium ion batteries or parts thereof is disclosed. The process comprising the steps of (a) providing a particulate material containing a transition meta...
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WO/2021/018372A1 |
The invention relates to a method for recycling lithium batteries, comprising the steps of: (a) breaking down a ground material (10), containing ground components of electrodes of lithium batteries, with concentrated sulphuric acid (12) ...
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WO/2021/018778A1 |
A process for the recovery of lithium from waste lithium ion batteries or parts thereof is disclosed. The process comprising the steps of (a) providing a particulate material containing a transition metal compound and/or transition metal...
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WO/2021/018796A1 |
A process for the recovery of one or more transition metals and lithium from waste lithium ion batteries or parts thereof is disclosed. The process comprising the steps of (a) providing a particulate material containing a transition meta...
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WO/2021/019564A1 |
The present invention relates to an energy efficient system and method for oxidative roasting of waste catalysts bearing precious metals like molybdenum, vanadium, tungsten involving a removal of hydrocarbons, coke and sulfur, thereby ge...
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WO/2021/014946A1 |
A PGM recovery method wherein the following steps are performed in order to recover a PGM alloy: a reduction smelting step in which a PGM-including processing target, a base metal and/or a base metal oxide, a flux, and a reduction agent ...
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WO/2021/009199A1 |
The invention relates to a method for processing accumulators, batteries and the like, which contain lithium, lithium ions, sodium, potassium and/or nickel as active components. According to the invention, the following steps are carried...
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WO/2021/010042A1 |
Provided is a lithium battery processing method including: a step for adding a deactivating agent to the interior of a lithium battery, the deactivating agent containing at least one of iodine and an iodinated compound; or a step for add...
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WO/2021/008138A1 |
A method for producing particulate metal and titanium carbide using red mud as a raw material, which belongs to the field of smelting. In the present invention, red mud is firstly mixed with low volatile solid carbon and placed in a molt...
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WO/2021/005526A1 |
An improved method for recovering metals from spent catalysts, particularly from spent slurry catalysts, is disclosed. The method and associated processes comprising the method are useful to recover catalyst metals used in the petroleum ...
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WO/2020/264273A1 |
The efficiency of roasting black dross can be improved by pre-processing the black dross before roasting. Black dross can be crushed and reconstituted into pellets having internal channels. The internal channels can be filled with additi...
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WO/2020/264267A1 |
A two stage dross treatment capable of being performed in a single reaction vessel is disclosed. Dross, especially white dross, can be contacted with salt flux in a rotary furnace to recover metal from the dross. This first stage can rec...
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WO/2020/257834A1 |
The invention relates to a melting furnace (1) for melting and/or controlling the temperature of molten material (15), comprising at least one combustion chamber (11) which is formed by a furnace housing (3) with a furnace feed section (...
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WO/2020/264281A1 |
Salt components of dross can be extracted efficiently through evaporation. During dross treatment, temperatures can be permitted to approach or exceed the boiling point of one or more salt components of the dross, preferably in an oxidiz...
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WO/2020/253733A1 |
A method for selective oxygen pressure leaching of precious metal enrichment using nickeliferous material with high iron and copper contents. The method comprises: purification and impurity removal, atmospheric pressure leaching, oxygen ...
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WO/2020/243770A1 |
A process for producing zeolites comprising: a) calcining a clay material to form an amorphous material from clay components in the clay material, b) leaching the material from step (a) in a leaching solution to produce a solution contai...
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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/2020/246479A1 |
Provided are a raw material discharge device, a method of processing of electronic/electrical device component scrap, and a method of raw material discharge for electronic/electrical device component scrap enabling efficient discharge of...
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WO/2020/238685A1 |
Disclosed are a precious metal recovery method, a precious metal recovery device and a precious metal recovery system. The precious metal recovery method comprises: a melting procedure, during which a substance to be recovered, which con...
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