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Patent Searching and Data


Matches 1 - 50 out of 11,016

Document Document Title
WO/2018/069945A1
Multistage process for the preparation of a concentrate of metals, rare metals and rare earth metals from residues of alumina production by Bayer process (red mud), or from materials with a chemical composition similar to red mud, and mu...  
WO/2018/065127A1
The invention relates to a method for removing noble metal from particulate refractory material containing noble metal, comprising the following steps: (1) providing particulate refractory material containing noble metal, (2) bringing th...  
WO/2018/065125A1
The invention relates to a method for removing noble metal from coarse porous molded bodies of noble-metal-containing refractory material, comprising the following steps: (1) providing coarse porous molded bodies of noble-metal-containin...  
WO/2018/065126A1
The invention relates to a method for separating noble metal from particulate noble metal-containing refractory material, comprising the steps: (1) providing particulate noble metal-containing refractory material, (2) bringing the partic...  
WO/2018/065948A1
The present invention relates to a process for desulphurising a material containing PbSO4, which comprises the following steps: (a) reacting said material in water with NaOH to produce an aqueous solution of Na2SO4 comprising a desulphur...  
WO/2018/050950A1
The present invention relates to a method for recovering at least one precious metal from an aqueous solution containing said metal and particularly to recovery of silver and optionally one or more other precious metals from overflow of ...  
WO/2018/046786A1
The subject matter of the present invention is a method for recovering tantalum metal from electrolytic capacitors. Said method includes several steps, mainly physical operations for extracting tantalum from the capacitors, with crushing...  
WO/2018/044104A1
The present invention relates to a cerium oxide and a method for preparing same. Specifically, a cerium oxide is provided, wherein the cerium oxide is in the form of cerium oxide (CeO2) doped with a rare earth metal, the mole ratio betwe...  
WO/2018/037305A1
Disclosed, is a system and method for rapidly leaching copper, in particular, metallic copper in sulfate systems. Embodiments of the system may comprise a first pre-leach stage, and a second mechano-chemical leach stage. The pre-leach st...  
WO/2018/037241A1
A method of processing NdFeB magnetic powder comprises: providing a source of hydrogenated NdFeB powder (101, 102, 103); feeding said powder into an inlet of a cyclone separator (104); separating the powder into an overflow enriched in N...  
WO/2018/021934A1
The invention relates to furnaces and methods for melting metals in furnaces, and more particularly, but not exclusively, to methods for charging a furnace with small pieces of aluminium scrap. The technical result of the invention is th...  
WO/2018/014364A1
Disclosed is a method for smelting reduction production and tempering of a titaniferous mixed slag, comprising the following steps: (1) adding a reduction agent, a vanadium-titanium-containing mineral and/or an iron-containing material t...  
WO/2018/015611A1
The invention relates to a method for refining sulfidic copper concentrate (1). The method comprises feeding sulfidic copper concentrate (1) and oxygen- bearing reaction gas (2) and slag forming material (3) into a reaction shaft (4) of ...  
WO/2018/014363A1
Disclosed is a method for smelting reduction, recycling and tempering of a titaniferous mixed slag, comprising: (1) mixing titaniferous blast furnace slag with vanadium-titanium-containing molten steel slag to form a titaniferous mixed s...  
WO/2018/015331A1
The invention concerns a method and a device for retrieving, from an object A, elements G present in a matrix M, characterised in that it comprises at least the following steps: bringing said object A into contact with a dense fluid Fd w...  
WO/2018/010039A1
The present invention relates to a briquette for use as a flux in a smelting process, allowing the precipitation of iron oxide in the slag phase to be minimised, thereby preventing an increase in the viscosity of said phase. According to...  
WO/2018/006433A1
Disclosed is a process for recycling palladium-containing catalyst materials, wherein the process comprises: (a) grinding the palladium-containing catalyst in a milling module; (b) removing palladium from the palladium-containing catalys...  
WO/2018/001090A1
A detoxification treatment method for extracting and recovering chromium from waste residues containing hexavalent chromium comprises the specific steps: 1), adding water into waste residues containing hexavalent chromium, and mixing the...  
WO/2018/002431A1
The present invention relates to a system (100) for separating metal from paint waste, characterized in that the system (100) comprises a crusher (104) for crushing the metal, at least one rotating drum (110a-110e) for mixing the waste, ...  
WO/2017/215282A1
The invention relates to the technical field of energy materials and relates to a method for recycling lithium in an anode material of a lithium battery by means of an electrochemical process. The technical problem resolved by the presen...  
WO/2017/211994A1
The invention relates to a process for selectively and continuously extracting a series of desired species from a matrix, comprising the steps of: - injecting a plasma (310) in an extraction chamber by means of a plasma torch, - continuo...  
WO/2017/211362A1
Disclosed is an air filtering system (1) comprising a dividing shed (2) in which by-products (3) from a metal plant (4) can be divided into smaller pieces and wherein the dividing shed (2) comprising an air outlet (5). The air filtering ...  
WO/2017/207947A1
The invention relates to a method for extracting rare earth elements contained in permanent magnets, which comprises the steps of thermal treatment of the permanent magnet, crushing at the end of the thermal treatment in order to obtain ...  
WO/2017/207684A1
The present invention relates to a method for converting a waste material from sulphide ore based nickel production to a ferroalloy product by converting it to nickel pig iron by drying, calcining and reduction with under-stoichiometric ...  
WO/2017/208471A1
This method for producing a vanadium compound comprises: an alkali leaching step for obtaining a leachate slurry by immersing incineration ash in an alkaline solution to leach vanadium from the incineration ash into the alkaline solution...  
WO/2017/197528A1
The invention relates to a method for recycling an electrochemically active material. Said method comprises the steps of: reacting the electrochemically active material with an oxidising agent or a reducing agent in a solvent without add...  
WO/2017/187973A1
[Problem] To provide: a method for processing iron and steel dust, which is more advantageous than a Waelz method in terms of energy and economy; a method for producing zinc; and a method for producing a staring material for iron and ste...  
WO/2017/181766A1
A method for extracting lithium using a slag from thermal recycling of lithium battery. The method comprises the following steps: a. acidifying the slag to obtain an acidic mixture with a slag:H2O:H2SO4 mass ratio of 1:15-25:0.5-1.25; b....  
WO/2017/184602A1
Methods are provided for generating or recovering gaseous materials such as hydrogen and solids such as metals through the smoldering combustion of an organic material. The methods include admixing a porous matrix material with an organi...  
WO/2017/183849A1
The present invention relates to a method for recovering an ITO powder from ITO scrap such that the particle shape of the ITO powder can be changed. According to the present invention, an aqueous solution of indium chloride and tin chlor...  
WO/2017/174012A1
Provided is a salt chlorinated-slag resource processing method; in said method, the strong oxidizing or alkaline waste brine or chlor-alkali chemical tail-gas absorption waste liquid produced by purifying molten-salt chlorinated tail gas...  
WO/2017/170347A1
The present invention addresses the problem of providing a method for separating Dy and Tb from an alloy containing both as constituent metals without using a solvent extraction method. The method according to the present invention servi...  
WO/2017/162757A1
A process for recycling glass from screens deriving from the disposal of cathode-ray tube television sets with quantitative recovery of the lead in metal form, is described.  
WO/2017/162901A1
Provided herein is a process for recovering metal(s) from calcium rich iron containing material (8), comprising (a) leaching (1) calcium one or more times from said calcium rich iron containing material (8) to obtain a calcium depleted i...  
WO/2017/163094A1
The invention relates to a process for processing red mud, said process comprising the following steps: (a) providing red mud waste of alumina production (in the following: red mud); (b) further, providing waste containing organic materi...  
WO/2017/159745A1
This processing method for lithium ion battery scrap includes: a leaching step for leaching lithium ion battery scrap, performing solid-liquid separation on the leachate obtained as a result of the leaching, and obtaining a first separat...  
WO/2017/159743A1
This processing method for lithium ion battery scrap includes: a leaching step for leaching a lithium ion battery and obtaining a leachate; an aluminum removal step for neutralizing the leachate to a pH of 4.0-6.0 and then performing sol...  
WO/2017/151288A1
A deoxidation system for purifying target material for an EUV light source includes a furnace having a central region and a heater for heating the central region in a uniform manner. A vessel is inserted in the central region of the furn...  
WO/2017/149835A1
Provided are a dissolving method and a collecting method for a group 5 element and/or a group 6 element with which the voltage and power necessary for dissolution can be reduced and the solubility of said element in a molten material can...  
WO/2017/143499A1
System and process for recycling palladium-containing components to reclaim precious metals such as palladium, silver and gold. The system includes a number of modules to systematically separate palladium from palladium-containing compon...  
WO/2017/143697A1
Provided are an aluminum industry solid waste recovery/petroleum coke high-temperature desulphurization device and a using method therefor. The device comprises a furnace body, a low-melting-point matter crystallizer (23) at the rear end...  
WO/2017/136881A1
A method, apparatus and system for processing a composite waste source, such as e- waste, is disclosed. The composite waste source may comprise low-, moderate and high-melting point constituents, such as plastics, metals and ceramics. Th...  
WO/2017/137433A1
The present invention concerns a method for preventing, slowing or stopping the dissolution of a compound generating a gas when it is brought into contact with a dissolution solution, and doing so, optionally, with respect to the dissolu...  
WO/2017/137432A1
The present invention relates to a method for selective dissolution of a first solid compound present in a mixture with respect to at least one second solid compound different from said first solid compound, also present in said mixture,...  
WO/2017/134591A1
The present invention relates to a process for the recovery of metals contained in the organic phase of a bitumen produced in a petrochemical process and comprises the following steps: a fast pyrolysis step under certain temperature cond...  
WO/2017/136679A1
Systems and methods for disrupting slag deposits formed on internal surfaces of hydrocarbon-fired combustion apparatuses (e.g., boilers), such as for easier removal thereof, and the treating compositions used therein are disclosed. In ce...  
WO/2017/129816A1
The invention relates to a method for the carbothermal reduction of zinc oxide to zinc, comprising the following steps: feeding zinc oxide and coal into a furnace as reactants, reducing the zinc oxide to liquid zinc melt (20) by using th...  
WO/2017/124891A1
A method for recycling copper indium gallium selenium materials comprises the steps of sulphating roasting, acid dissolution, extraction and electrolysis of metal copper, production of a gallium hydroxide deposition, replacement of indiu...  
WO/2017/124893A1
A method for recycling copper indium gallium selenium materials comprises the steps of leaching by using sulfuric acid and hydrogen peroxide, reduction of selenium by using sulfur dioxide, separation of copper by using hydrolysis, alkali...  
WO/2017/124892A1
A method for recycling copper indium gallium selenium materials comprises the steps of leaching by using sulfuric acid and hydrogen peroxide, reduction of selenium by using sulfur dioxide, separation of copper by using cuprous ammine com...  

Matches 1 - 50 out of 11,016