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WO/2021/170181A1 |
The present invention relates to a sustainable method for recycling smelting works dusts and sludges to produce iron-containing, heavy-metal-depleted reclaimed materials and recovering lead and zinc by: providing a first starting materia...
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WO/2021/169483A1 |
A device and method for removing heavy metal ions in photovoltaic waste liquid, belonging to the technical field of waste liquid recovery and treatment. The device adopts different metal absorption mechanisms, each metal absorption mecha...
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WO/2021/169481A1 |
A method and device for recovering silver and mixed acid from a silver-containing waste acid solution in photovoltaic waste liquid. The method comprises: adding a chlorine-containing solution into the silver-containing waste acid solutio...
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WO/2021/165225A1 |
A process for separating a fusion mix sample comprising a slag material and a collector material using a separator. The separator comprising a plurality of impact members configured to rotate. The process comprising the steps of providin...
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WO/2021/166755A1 |
Provided is a method for treating an alloy by which nickel and/or cobalt can be selectively isolated from an alloy that contains copper as well as nickel and/or cobalt, in a waste lithium ion battery or the like.　The present invention ...
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WO/2021/161316A1 |
The invention relates to hydrometallurgical method for recovering lithium and one or more transition metals from spent lithium ion batteries, comprising: treating an electrode material of the batteries in an alkaline solution to dissolve...
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WO/2021/161178A1 |
The present invention relates to a method for recovering metal zinc from a solid metallurgical waste containing zinc and manganese, comprising the steps of: a. bringing said solid metallurgical waste into contact with an aqueous leaching...
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WO/2021/157483A1 |
Provided is a separation method for valuable resources, the method comprising: a heat treatment step for heat-treating an object containing valuable resources to melt aluminum and separate a molten material; a crushing step for crushing ...
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WO/2021/153816A1 |
The present invention relates to a lithium extraction method, and can provide a lithium extraction method comprising: a step of preparing lithium phosphate containing impurities; a step of dissolving the lithium phosphate and impurities ...
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WO/2021/147342A1 |
An all-component rapid microwave digestion and noble metal ion liquid extraction method for a waste circuit board, belonging to the field of hydrometallurgy. As microwave can penetrate a leaching medium and directly heat a circuit board,...
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WO/2021/149545A1 |
A metal recovery method comprising a crushing step of crushing a solar battery module or a solar battery sheet-like structure to form a crushed material and a selection step of selecting the crushed material, wherein the method being cha...
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WO/2021/148403A1 |
The present invention is in the field of the extraction of lithium from a material comprising lithium and at least another metal. In particular, the invention concerns a process of extraction of lithium at least, from a material comprisi...
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WO/2021/145398A1 |
An object is to provide a method capable of efficiently removing Zn from an Al alloy melt obtained from scrap or the like. The present invention provides a metal purifying method for purifying an aluminum alloy melt by removing a specifi...
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WO/2021/134385A1 |
An oxygen-enriched side blowing furnace smelting method for a secondary resource having arsenic and dispersed elements by adding ion and chlorinating agent respectively, comprising: adding a chlorinating agent accounting for 1-1.5% of th...
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WO/2021/132891A1 |
Disclosed in the present invention are a calcium-aluminate-based flux utilizing an industrial byproduct, a method for manufacturing same, and a method for desulfurizing molten steel by using same. A method for manufacturing a calcium-alu...
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WO/2021/129205A1 |
A method for the coordinated treatment of slag from the pyrolysis of and smoke from smelting a scrap circuit board, which belongs to the field of the comprehensive recovery and use of valuable elements in typical ash from the fire treatm...
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WO/2021/127497A1 |
An exemplary embodiment of the present disclosure provides a method to extract components from a metal-containing material, forming a first multicomponent system comprising an ionic liquid and a first aqueous component, wherein the first...
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WO/2021/125735A1 |
The present invention relates to a method for separating a transition metal from a waste cathode material, the method comprising: a first step of preparing a waste cathode material represented by chemical formula 1; a second step of heat...
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WO/2021/125979A1 |
The invention provides cement additives comprising calcium sulfate and silica which are derived from a material comprising perovskite and silica, along with cements and cementitious products comprising the cement additives. The invention...
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WO/2021/122974A1 |
A method for removing lead from brass scrap, said method comprising: - subjecting brass scrap comprising alloyed copper, zinc and lead to heating under reduced pressure at a temperature above the boiling point of lead at the reduced pres...
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WO/2021/117385A1 |
The present invention addresses the problem of providing a method for recovering a catalytic metal from an aqueous solution which contains a catalytic metal which is coprecipitated with tin, said method being characterized by including: ...
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WO/2021/119085A1 |
A system for melting lead scrap pieces. The system includes a vessel. A vortexing chamber is disposed in the vessel. The vortexing chamber includes an inlet, an outlet and an open top configured to receive lead pieces. A pump is disposed...
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WO/2021/105215A1 |
The present invention relates to a method for recovery of metals from exhausted acid solutions, which acid solutions contain metal oxides comprising iron, chrome and nickel, comprising the steps of adjusting the solution, by adding preci...
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WO/2021/104620A1 |
The present disclosure concerns a 2-step high temperature process for the recovering Ni, Co, and Mn from various sources. It comprising the steps: preparing a metallurgical charge comprising said materials, and Si, Al, Ca and Mg as slag ...
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WO/2021/099333A1 |
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 crude lithium hydroxide as a solid, which contains fluoride; and (B) dissolving the ...
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WO/2021/099598A1 |
Disclosed is a single-chamber furnace for fuming an evaporable metal or metal compound from a metallurgical charge comprising a bath furnace for containing a molten charge up to a determined level, the furnace being equipped with a non-t...
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WO/2021/099538A1 |
Disclosed is a process for recovering copper from secondary raw materials comprising in a feed batch smelting (100) in a furnace a feedstock (1, 2) comprising copper oxide and elemental iron for forming a concentrated copper intermediate...
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WO/2021/094761A1 |
A method of treating particulate by-product of ferrous metal processing, the method comprising exposing said particulate by-product to ultrasound, said particulate by- product being located in a fluid. An apparatus for treating said part...
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WO/2021/088218A1 |
Disclosed is a new method for the green recovery and reprocessing of a metal to produce a spherical composite powder. The steps of the method are as follows: pre-treating a metal before processing; processing the pre-treated metal using ...
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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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