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WO/2020/016671A1 |
The purpose of the present invention is to recover a material that constitutes a fuel cell stack, in a simple way. This method for recovering a material that constitutes a fuel cell stack is for recovering a material that constitutes a f...
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WO/2020/018377A1 |
The present invention relates to the methods of recycling electrochromic devices and also designing such devices while keeping recyclability in perspective. Recyclability includes recovering of certain materials for re-use within the sam...
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WO/2020/011765A1 |
Process for the recovery of transition metal from spent lithium ion batteries containing nickel, wherein said process comprises the steps of (a) heating a lithium containing transition metal oxide material to a temperature in the range o...
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WO/2020/013293A1 |
Provided are: an alloy powder that can be obtained from a waste lithium ion battery, wherein the alloy powder can be dissolved easily in an acid solution and enables efficient recovery of valuable metals contained in the alloy powder; an...
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WO/2020/013294A1 |
Provided is a more efficient dry refining process for improving the recovery rate of phosphorus-free valuable metals from waste lithium ion batteries. The present invention provides a method for recovering valuable metals from waste lith...
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WO/2020/010745A1 |
A solar cell recycling method, comprising: separating an organic film layer from a solar cell, and thereby forming a de-encapsulated solar cell, the de-encapsulated solar cell comprising a stainless steel substrate and an active material...
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WO/2020/006007A1 |
A method for recovering metals from waste in which material is roughly or coarsely separated to leave a fibrous feedstock, the feedstock is comminuted with a mill (e.g., a ball mill) to liberate and separate the fibrous feedstock to obta...
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WO/2020/004285A1 |
Provided is a method for efficiently separating copper from nickel and cobalt from a sulfide containing nickel and cobalt together with copper. The present invention is a method for separating copper from nickel and cobalt, the method co...
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WO/2020/002697A1 |
Process for recovering non-ferrous metals from industrial mineral residues Process for recovering a non-ferrous metal from a first solid residue (11) comprising iron. The first solid residue (11) is mixed (10) with a second solid residue...
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WO/2019/242607A1 |
A copper slag depletion device and method. The device comprises a copper slag depletion treatment furnace (10) and a wire feeding device (20), wherein the copper slag depletion treatment furnace (10) uses electrothermal or plasma heat as...
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WO/2019/237504A1 |
Provided in the present disclosure is a method for recycling scrap copper, indium, gallium, and selenide. The method comprises: vacuum distilling scrap copper, indium, gallium, and selenide, acquiring selenide and a distillation waste by...
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WO/2019/241289A1 |
Provided is a method of extracting a metal ion, which comprises contacting a compound of formula (R2SiO)n with a source of the metal ion, whereby the compound and the metal ion form a complex, wherein each R is independently C1-10oalkyl,...
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WO/2019/232574A1 |
The present invention provides a method of recycling a lithium-based electrochemical cell, the method comprising: comminuting the cell under (i) an inert atmosphere, (ii) reduced pressure, or (iii) a combination thereof, to produce commi...
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WO/2019/229632A1 |
The present invention relates to a hydrometallurgical method for the recycling and recovery of base metals, such as copper, tin, lead and nickel, and precious metals, such as gold and silver, from electronic boards or printed circuits of...
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WO/2019/232149A1 |
Compositions and methods are provided that permit both recovery of at least two metals from industrial waste materials and control of the degree of relative recovery between the two metals. Industrial waste is initially treated with an a...
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WO/2019/222878A1 |
A pyrolysis and liquation-based continuous treatment apparatus for waste circuit boards/waste enamelled wires, the apparatus comprising: a furnace (120) having a heating cavity therein, and a container (110). The container (110) is dispo...
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WO/2019/223560A1 |
The present invention relates to the field of comprehensive recycling of waste lead-acid storage batteries, and provides a technique for producing a lead-calcium alloy using waste lead grids of waste lead-acid storage batteries, comprisi...
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WO/2019/219444A1 |
The invention relates to a method for recovering gold and/or silver and/or at least one platinum metal from components of a fuel cell stack (11) of a fuel cell (10) or of an electrolyzer. In an oxidation step, the components are treated ...
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WO/2019/218386A1 |
A resource utilization method for chrome sludge of vanadium extraction waste water treatment sediment, belonging to the technical field of solid waste treatment and resource utilization. The method comprises: (1) roasting chrome sludge f...
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WO/2019/215770A1 |
The present invention claims a process for the desulphurization of materials and/or residues containing lead sulphate, carried out in one or more stages. The main characteristic of this process is that the only desulphurising agent is an...
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WO/2019/215583A1 |
The present invention describes a hydrometallurgical process which has the main aim of recovering the precious elements contained in waste permanent magnets. The method is applicable to waste neodymium (Nd) magnets.
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WO/2019/217059A1 |
Systems, processes, apparatuses and materials disclosed relate to the recovery of precious metals from a substrate into solution, such as, for example, using a leaching solution. In addition, systems and processes are disclosed for recov...
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WO/2019/214507A1 |
A comprehensive processing method and comprehensive processing system for copper-containing sludge and circuit boards, the comprehensive processing method comprising: mixing and granulating copper-containing sludge and waste-activated ca...
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WO/2019/210846A1 |
A circuit board processing method and processing system. The processing method comprises: carrying out pyrolysis on a circuit board to obtain pyrolysis flue gas and a solid residue; and using the pyrolysis flue gas as a part of fuel in a...
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WO/2019/206755A1 |
The present invention relates to a method for the biological recovery of metals in electric and electronic waste, which comprises a) introducing a series of iron-oxidizing microorganisms and a mineral medium into a reactor (10); b) perfo...
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WO/2019/205941A1 |
A separating and melting system and method for a waste lead grid in waste lead acid storage battery recycling, belonging to the field of comprehensive recycling of a waste lead acid storage battery. A drying drum (16) is mounted on an up...
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WO/2019/203778A1 |
The invention relates to the mining industry. A method of decontaminating technogenic wastes and tailings after vat or heap leaching of raw material and preparing the raw material for enrichment and/or extraction of metals comprises mixi...
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WO/2019/201071A1 |
A method for converting aluminum waste into aluminum fuel for power generation. After pretreating an aluminum waste material, the pretreated aluminum waste material is sorted based on the aluminum and aluminum alloy content thereof. Sort...
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WO/2019/201582A1 |
A robust and economically viable process technology is developed for the recycling of critical rare earth elements (REEs) from end of life lamp fluorescent powder (FP) e-waste. This is one of the first efforts to recycle individual pure ...
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WO/2019/201919A1 |
The present invention relates to a method and apparatus for the dissolving one or more basic salts contained in fly ash in a mineral acid with aim of extracting one or more metals present in the fly ash in a downstream processing. The ad...
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WO/2019/197192A1 |
Process for the recovery of transition metal from spent lithium ion batteries containing nickel, wherein said process comprises the steps of (a) heating a lithium containing transition metal oxide material to a temperature in the range o...
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WO/2019/193042A1 |
The invention relates to a multi-step method for the selective, environmentally friendly and economical recovery of non-ferrous metals from industrial wastewater. The method is based on the principle of the complexing of the non-ferrous ...
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WO/2019/190163A1 |
The present invention relates to a method for manufacturing high-purity vaterite-type or calcite-type calcium carbonate by using indirect carbonation of seawater, wherein: calcium of alkaline industrial byproducts (CKD and PSA), CaO, and...
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WO/2019/188668A1 |
Provided is a granulated substance with which the amount of adhesion of the granulated substance to a conveyor junction can be reduced. The granulated substance includes: sludge in the amount of more than 30 mass% but not more than 90 ma...
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WO/2019/186478A1 |
A process for the dissolution of a metallic element from a metal-bearing source material, said process including the steps of dissolving the metallic element from a metal-bearing source material with an acidified ferric chloride solution...
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WO/2019/180642A1 |
The present invention provides a method for the selective recovery of tin from a tin- containing material, preferably the electronic scrap, and particularly printed-circuit boards, the method comprising pretreatment of the tin-containing...
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WO/2019/178654A1 |
This patent application refers to a method and a modular plant for chemical and metallurgical processing of industrial waste, such as steel powders, filter dusts, sludges, insoluble residue originated from the extraction, sludges, drosse...
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WO/2019/175798A1 |
The invention provides a manganese- and/or chrome- and/or iron-based mineral fines sintering reactor vessel for manganese- or chrome- and/or iron-based mineral fines agglomeration by means of sintering. The reactor vessel comprises a hol...
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WO/2019/166660A1 |
The invention relates to a method for recycling used cells such as saline cells, alkaline cells, button cells and used rechargeable batteries, by introducing the cells and/or rechargeable batteries as feedstock into a metal melting furna...
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WO/2019/157589A1 |
Methods and apparatuses for treating aluminum dross, zinc dross, or metal-rich residues. These methods comprise heating aluminum dross, zinc dross or metal-rich residues in an induction furnace to induce electrical current in at least on...
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WO/2019/155430A1 |
The present disclosure relates to a process for recovering vanadium in the form of iron vanadate from a gasifier slag. The process comprises pulverizing the slag to obtain pulverized slag (2). The pulverized slag (2) is soaked in water (...
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WO/2019/148233A1 |
A process for extracting values from lithium slag comprising: (a) hydrothermally treating lithium slag with an aqueous solution of an alkaline compound at selected temperature and duration; (b) performing an ion exchange step on the alka...
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WO/2019/150005A1 |
The present invention relates to a process for processing a leach solution of black mass of spent alkaline batteries which leach solution (14) includes metals dissolved to an acidic solution and in which process one or more elements (49)...
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WO/2019/151351A1 |
Provided is a processing method for electronic/electric device component waste by which it is possible to increase the amount of electronic/electric device component waste that can be processed in a smelting step, and by which valuable m...
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WO/2019/152150A1 |
A method of recovering metal compounds from solid oxide fuel cell scrap includes processing the solid oxide fuel cell scrap to form a powder, digesting the processed scrap, extracting lanthanum oxide and cerium oxide from a solution cont...
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WO/2019/151905A1 |
The invention relates to metallurgical production, and more particularly to preparing a charge ingot which is used for producing bronze ingots by casting. As a starting charge material, a spent inert anode previously used in the electrol...
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WO/2019/148901A1 |
A method for treating chromium slag by chlorinating calcination in combination with hydrothermal mineralization, comprising: adding chloride salt into chromium slag and mixing the chloride salt and the chromium slag to be uniform, raisin...
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WO/2019/150403A1 |
The present invention concerns a method for treatment of lithium batteries and recovery of the metals contained therein comprising the following steps: - completely discharging the single cells by immersion in a conductive solid material...
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WO/2019/149698A1 |
The invention relates to a method for recycling lithium batteries, comprising the steps of: (a) breaking down a comminution product (10), which contains comminuted constituent parts of electrodes of lithium batteries, with concentrated s...
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WO/2019/136792A1 |
A method for separating nickel and cobalt from a solution, comprising the following steps: after acid leaching the cathode material of a waste lithium ion battery, obtaining a solution containing nickel and cobalt; adjusting the pH value...
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