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Matches 1 - 50 out of 11,096

Document Document Title
WO/2018/132450A1
A cooling vessel for metal recovery from waste products including a first open end, a second closed end, and a sidewall extending between the first open end and the second closed end. The vessel has a longitudinal central axis extending ...  
WO/2018/122599A1
The invention relates to a method for treating phosphorus oxides and dusts containing optionally chromium oxide and optionally iron oxide, wherein the dusts and primary oxygen are introduced into a mixing chamber, the dusts are deagglome...  
WO/2018/120406A1
Provided is a precisely controlled arsenic trioxide sublimating purification furnace using a low-melting point alloy as a floatation body, which comprises a low-melting point alloy furnace groove (1), a plurality of rotating rakes (2) an...  
WO/2018/122465A1
Described is a method for producing nickel containing indurated chromite pellets. The method comprises providing a ground mixture containing iron and chromium containing material and optionally carbon and optionally additives;providing n...  
WO/2018/115526A1
A method of making a composite compact or briquette comprises mixing a first particulate material with at most 15% by weight of a powder coating material to obtain a mixture, and compacting the mixture into a compact. Either the first pa...  
WO/2018/113477A1
Provided is a method for recovering cobalt and lithium from a positive electrode material of a spent lithium cobalt oxide battery. Sodium hydrogen sulphate is mixed with the positive electrode material of the spent lithium cobalt oxide b...  
WO/2018/117978A1
The invention refers to a method for recovering copper from waste fishing nets. The method of the invention includes washing of nets in a washing liquid, wherein an antifouling coating and other impurities are removed from the surface of...  
WO/2018/109283A1
The present invention relates to a process for separating metals using a series of precipitations from waste materials of the zinc or steel industry, or both. The method is characterized in carrying out the precipitations using hydroxide...  
WO/2018/110174A1
This electric furnace has: a furnace body having an electrode; and a slag retaining furnace which retains molten slag kept in a molten state and which, by being tilted, allows the molten slag to be poured into the furnace body. The furna...  
WO/2018/110171A1
This electric furnace has: a cylindrical furnace wall; a furnace lid which is provided at the upper end of the furnace wall; and a furnace bottom which is provided at the lower end of the furnace wall and which has a deep bottom section ...  
WO/2018/108801A1
The present disclosure provides a method for treatment of waste material, said waste material comprising one or more oxidized metals, said method comprising the steps of: ensuring that said waste material comprises a reducing agent selec...  
WO/2018/100539A1
A method of controlling iron in a hydrometallurgical process is disclosed. The method may comprise the steps of: leaching (14, 114) a feed slurry (2, 102); forming a pregnant leach solution (12a, 12b; 112a, 112b); removing a first leach ...  
WO/2018/100809A1
[Problem] To provide a facility for discharging a leaching residue slurry in which the whole of an entire retention pond can be effectively utilized for storage of a leaching residue slurry. [Solution] Equipment for discharging a leachin...  
WO/2018/096358A1
Methods and apparatus for processing a material, the material being the upper layer from a metal melting process, the material containing one or more salts, the material containing one or metals, are provided. The method includes feeding...  
WO/2018/095162A1
The invention provides a low energy consumption method for preparing an electrolytic copper from a copper-containing sludge. The method comprises steps of sintering, smelting, refining, primary electrolysis, secondary electrolysis and th...  
WO/2018/089287A1
A method of processing cathode ray tube (CRT) glass with waste glass into a pozzolanic mixture includes, receiving CRT glass aggregate, pulverizing the CRT glass aggregate forming an intermediate CRT glass product, fine grinding the inte...  
WO/2018/085234A1
A method of recovering rare earth elements from a rare earth containing material comprises contacting the rare earth containing material with a solution formulated and configured to dissolve rare earth elements from the rare earth contai...  
WO/2018/082961A1
A process is divulged for the recovery of lithium from metallurgic slags comprising the steps of roasting spodumene to convert it from the alpha to the beta variant; reacting the beta variant with sulfuric acid, using a stoichiometric ex...  
WO/2018/082516A1
A method for comprehensive recovery of silver-containing lead slag, mainly comprising the following steps: impurity removal, deleading, reduction and filtration, lead dissolving, hot filtration, quenching filtration, cleaning, thermal de...  
WO/2018/081856A1
A process for treatment of zinc-containing waste materials includes the steps of: (a) Combining the zinc-containing waste material with iron chloride into a solid, pelletised form which includes iron oxide, zinc oxide and iron chloride, ...  
WO/2018/076993A1
A method for preparing nickel sulfate, manganese sulfate, lithium sulfate, cobalt sulfate, and tricobalt tetroxide from battery waste, relating to comprehensive utilization of battery waste, and in particular, to a method for producing b...  
WO/2018/073145A1
The present invention concerns the recovery of cobalt from cobalt-bearing materials, in particular from cobalt-bearing lithium-ion secondary batteries, from the spent batteries, or from their scrap. A process is divulged for the recovery...  
WO/2018/072547A1
The present invention relates to the technical field of resource recycling, and particularly relates to a method of recovering indium from a liquid crystal-containing indium concentrate. The method comprises processes of low-temperature ...  
WO/2018/073101A1
The invention relates to a method for treating used lithium batteries (10), having the following steps: comminuting the batteries (10) so that comminuted material (24) is obtained, and deactivating the comminuted material (24) by drying ...  
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...  

Matches 1 - 50 out of 11,096