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Matches 1 - 50 out of 11,329

Document Document Title
WO/2019/054963A2
This invention; related to obtaining of commercial valuable nickel and titanium compounds from completed or end of the service life of nickel and titanium based alloys scrap.  
WO/2019/052680A1
The invention relates to a treatment device (1) and a method for removing coatings, comprising a vibratory conveyor (2) with a conveying channel (3), which is designed in the manner of a trough, in order to form a treatment bath (4) with...  
WO/2019/047468A1
A method for sulfuration of a tin refining sulfur slag, comprising: uniformly mixing the sulfur slag and a sulfurizing agent, then placing the mixture into a sealed container, and performing a sulfuration reaction under the oxygen-free c...  
WO/2019/042892A1
The invention relates to a method for the treatment of converter slag for the purpose of recovering iron, wherein a converter slag is brought into contact with oxygen in such a way that the slag is mixed by means of turbulence and availa...  
WO/2019/043261A1
The present application relates to a process for the purification of waste materials or industrial by-products, the process comprising the steps of: a) Preparing a composition (C) by blending or mixing waste materials or industrial by-pr...  
WO/2019/042157A1
Disclosed are a comprehensive resourceful treatment system for electronic waste and a method therefor. The treatment method comprises the following steps: 1) pellet sintering; 2) plasma gasification melting; 3) oil preparation from a sme...  
WO/2019/043244A1
A process is described for the recovery of the chemical components of the "black paste" resulting from the opening of dead alkaline and zinc-carbon batteries.  
WO/2019/037421A1
A selective separation and comprehensive recovery method for nickel in alkali chemical nickel waste water, comprising: (1) stage I adsorption: pumping filtered alkali chemical nickel waste water into a stage I adsorption column filled wi...  
WO/2019/029063A1
A method for separating iron and aluminum from red mud and/or iron-containing solid wastes. The method comprises the following steps: (1) carrying out acid leaching and reduction treatment on red mud and/or iron-containing solid wastes t...  
WO/2019/026977A1
This sodium removal method is a method for removing sodium from a sodium-containing solution by precipitating sodium ions in the sodium-containing solution as a sodium salt, the method having a sodium precipitation step for reducing the ...  
WO/2019/026978A1
This method for dissolving a lithium compound comprises bringing a lithium compound into contact with water or an acid solution and supplying carbonate ions to the water or acid solution to generate carbonic acid, and reacting the lithiu...  
WO/2019/017055A1
This production method for a purified positive electrode material comprises a step for extracting a positive electrode material from a waste dry cell, a step for adding, to the positive electrode material, an aqueous solution containing ...  
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/2018/217083A8
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...  

Matches 1 - 50 out of 11,329