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Matches 1 - 50 out of 11,189

Document Document Title
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...  
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...  

Matches 1 - 50 out of 11,189