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Matches 1 - 50 out of 11,259

Document Document Title
WO/2018/233887A1
The invention relates to a method for producing feedstock in piece form from metal, in particular aluminium and/or aluminium alloys, for a metal-casting installation, in particular aluminium-casting installation, in which scrap parts of ...  
WO/2018/228074A1
A copper smelting slag comprehensive recovery method and device. Said method uses a CR furnace to perform reductive fuming and settling on the smelting slag to comprehensively recover valuable metals in the smelting slag and produce harm...  
WO/2018/225738A1
This palladium extraction agent, which comprises an alkyl-sulfide-group-comprising disubstituted aromatic compound represented by general formula (I) as an active ingredient, can be used to selectively extract only palladium from a solut...  
WO/2018/223193A1
A processes is disclosed for the recovery of cobalt, lithium and associated metals from lithium-ion batteries, comprising (i) shredding and pulverising the batteries under an inert atmosphere, (ii) leaching the batteries with sulphuric a...  
WO/2018/218294A1
The invention provides a process for producing magnesium oxide from fly ash or slag comprising magnesium and iron, the process comprising: leaching the fly ash or slag with an aqueous mineral acid solution to produce a leaching solution ...  
WO/2018/219464A1
The invention relates to a method for recovering iron and carbon components from washing tower sludges, wherein a washing tower sludge is mixed with an acid-containing solution and then a reaction is performed so that an acidic aqueous i...  
WO/2018/217083A1
A hydrometallurgical process is provided for the recovery of one or more target metals from a metalliferous feed material to produce one or more metal products by using ammonia leaching and solvent extraction, whereby entrained ammonia i...  
WO/2018/215967A1
The present invention describes a hydrometallurgical process, the main purpose of which is to extract Cu, Sn, Zn, Au and Ag from waste electronic boards by means of hydrometallurgical treatments. The method comprises the following main s...  
WO/2018/211996A1
This method for processing oil combustion ash includes: a slurry production step (S10) for adding water to oil combustion ash containing vanadium and nickel to produce a combustion ash slurry; a magnetic separation step (S20) for magneti...  
WO/2018/207131A1
Bag house dust is combined with a carbon source and shaped into pellets or briquettes and used to recycle valuable metals present in the bag house dust.  
WO/2018/204773A1
Examples herein generally relate to sinter blend compositions for use in a sintering process that do not contain coke breeze (0.0% coke breeze), or contain only very small amounts of coke breeze. In particular, these sinter blend composi...  
WO/2018/198042A1
A process for recovering metal from slag or dross is described, which comprises the step of breaking down the slag or dross to break up the non-metallic material in the slag or dross.  
WO/2018/189154A1
Disclosed is a pyrometallurgical process for producing a crude solder from a feedstock selected in terms of its levels of Sn, Cu, Sb, Bi, Zn, As, Ni and Pb, the process comprising at least the steps of obtaining in a furnace a liquid bat...  
WO/2018/184686A1
The invention relates to a method for removing fluoride from a zinc-containing solution or suspension, in particular a zinc sulfate solution, to a defluoridated zinc sulfate solution obtained by such a method, to the use thereof, and to ...  
WO/2018/184876A1
The present invention relates to an enhanced process for the recovery of lithium from compositions also containing aluminum. An example of such a metallurgical compositions is the metallurgical slag that is obtained when recycling lithiu...  
WO/2018/185163A1
The application concerns a method for separating lanthanide from a metal alloy comprising at least one transition metal and at least one lanthanide, said method comprising the steps of: a) providing a metal alloy comprising at least one ...  
WO/2018/181816A1
A lithium ion battery scrap treatment method including a calcination step, a crushing step, and a sieving step, followed by: a leeching step in which Cu is leeched an acidic solution and at least some Cu remains as a solid; an Fe/Al-remo...  
WO/2018/181608A1
This lithium recovery method separates sodium from a lithium-containing solution including lithium ions and sodium ions and recovers lithium. The lithium recovery method has a solvent extraction step including: an at least three-stage ex...  
WO/2018/178192A1
The invention relates to a method for recovering uranium from components (5) contaminated with uranium oxide, comprising the following steps: a) providing a cleaning device (9) having a cleaning solution (8) for dissolving the uranium ox...  
WO/2018/181607A1
A lithium recovery method that, when performing a sintering step, a crushing step, and a sieving step on lithium ion battery scrap, in said order, includes between the sintering step and the crushing step, between the crushing step and t...  
WO/2018/172284A1
A process for preparing iron- and chrome-containing particles comprising the steps a) producing ore particles by mixing - in a first step chromite ore material, Chrome Ore Process Residue (COPR) and a reductant component, and - in second...  
WO/2018/168472A1
This production method for high-quality metallic manganese comprises: rinsing powder particles (Mn-containing substance) with water to dissolve contained chlorine in water; and performing a solid-liquid separation treatment thereon to ob...  
WO/2018/166480A1
Disclosed is a nickel-containing waste water processing system, comprising a first reaction pool (103), a second reaction pool (104), a filtering apparatus (105), a third reaction pool (106), a concentrating membrane apparatus (107), a s...  
WO/2018/168471A1
This production method for high-quality metallic manganese comprises: adding water to a manganese-containing substance, preferably to powder particles obtained by selecting manganese dry batteries and/or alkaline manganese dry batteries ...  
WO/2018/167130A1
It relates to process for the extraction of rare earth elements from a starting product containing them in metal or alloy form which comprises: a) contacting the starting product containing rare earth elements in metal or alloy form with...  
WO/2018/164578A1
Metal recovery processes for recovering two or more metals from a metal- containing stream are provided. In, Ga, and Mo are recovered in an embodiment using solvent extraction.  
WO/2018/164340A1
The present invention relates to a method for recovering a lithium compound from lithium-containing waste and, more specifically, to a method for recovering lithium, the method using waste containing lithium, lithium carbonate, lithium c...  
WO/2018/165524A1
A vanadium recovery approach utilizes oil fly ash (OFA), in contrast to coal fly ash, for separation and recovery of vanadium. OFA is first carbon burned to reduce the volume for recycling, and also to provide a fuel for other industrial...  
WO/2018/157424A1
Provided is a method for recycling plutonium from a spent radioactive fuel. The method successively comprises the following steps: extraction: tetravalent plutonium is extracted from an aqueous solution of the spent radioactive fuel usin...  
WO/2018/158237A1
The invention relates to a multi-chamber melting furnace for melting scrap consisting of non-ferrous metals, in particular aluminium scrap, said furnace having a first shaft furnace (10) with a shaft (11) for charge material, in which sh...  
WO/2018/152628A1
The present disclosure broadly relates to a process for recovering vanadium, iron, titanium and silica values from vanadiferous feedstocks. More specifically, but not exclusively, the present disclosure relates to a metallurgical process...  
WO/2018/152484A1
A process for the incineration of activated coal-supported PGM catalysts, the process comprising a joint incineration of a multilayer arrangement, wherein the multilayer arrangement includes (i) a top layer of particulate activated coal-...  
WO/2018/138917A1
Provided is a bismuth purification method for recovering bismuth from a liquid obtained after recovering precious metals from copper electrolysis slime. The method comprises: 1) a neutralization step in which an alkali is added to an aci...  
WO/2018/138169A1
The invention relates to a method for removing salt deposits on slag granular material. According to the invention, the MSWI slag granular material is introduced into a liquid bath which is subjected to ultrasound, and the slag granular ...  
WO/2018/135439A1
The purpose of the present invention is to provide a method for eluting Ca from steelmaking slag such that a large amount of Ca can be eluted from the steelmaking slag into an aqueous solution containing carbon dioxide. The present inven...  
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...  

Matches 1 - 50 out of 11,259