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Matches 1 - 50 out of 4,792

Document Document Title
WO/2018/007672A1
The present invention relates to hydrometallurgical technologies wherein liquid-liquid extraction, also called solvent extraction, is used to separate and concentrate metal ions. More particularly the invention relates to solvent extract...  
WO/2017/222357A2
The present invention relates to a copper precipitation method by iron modification and to a copper precipitation and preparation apparatus used for the method, wherein in the copper precipitation method, iron is put into an acidic solut...  
WO/2017/198846A1
The present invention is in the field of surfactants to extract a platinum group metal or gold, in particular palladium, from organic compositions. In particular, the invention concerns the use of surfactants to back-extract a platinum g...  
WO/2017/185857A1
A flash furnace having side-blown molten pool sections, comprising a reaction tower (1). At least one molten pool (2) is provided below the reaction tower (1); each molten pool (2) is provided with a side-blown molten pool section having...  
WO/2017/185859A1
A skyflash furnace, comprising a reaction tower (1) and a feeding device for feeding materials to the reaction tower (1). A vaporizing chamber (5) is connected to the reaction tower (1). At least one melting pool (2) is provided at a low...  
WO/2017/171581A1
The present method can be used for converting nickel-containing copper sulphide materials. A method for continuously converting nickel-containing copper sulphide materials into blister copper, waste slag and a copper-nickel alloy include...  
WO/2017/150310A1
This method for running a copper smelting furnace is characterized by comprising injecting, into a copper smelting furnace, a Fe metal source having a Fe metal content of 40-100 mass% along with a starting material including a solvent an...  
WO/2017/140723A1
This disclosure relates to systems and methods for the dissolution of metals, metallic compounds, metallic alloys, metallic solids, recyclable metal, semiconductors, and the like. Particularly disclosed, are exemplary systems, methods, a...  
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/2017/124891A1
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...  
WO/2017/124890A1
Provided is a recovery method for a copper-indium-gallium-selenium material, mainly comprising the steps of sulfuric acid aeration leaching at a high temperature, reducing selenium with sodium sulfite, separating copper by extracting, se...  
WO/2017/110462A1
Provided is a mineral dressing method that can efficiently separate copper minerals and molybdenum minerals. The present invention is a mineral dressing method for mineral powder at least containing a copper mineral and a molybdenum mine...  
WO/2017/098466A1
The method of recovering copper from sulfide ores with copper and iron, comprises the steps of reacting, in a reaction vessel, a copper-containing sulfide ore with sulfur dioxide gas to form elemental sulfur, an iron oxide and a copper s...  
WO/2017/081824A1
Copper alloys such as brass or bronze, primarily rod-shaped products for which free-cutting is required, contain a certain amount of lead. From the past, scraps of said products have been re-used at a high rate. For recycled use of said ...  
WO/2017/077512A1
The invention relates to a novel process and method of recovery of non-metallic contents (especially epoxy fiber glass) from the waste printed circuit boards for its reapplication in the form of fillers for other products, such as constr...  
WO/2017/070747A1
A method of leaching chalcopyrite ores includes the steps of forming agglomerates of fragments of chalcopyrite ores and silver and leaching the agglomerates with suitable leach liquor.  
WO/2017/070102A1
Methods and systems for removing polar compounds from a metal-containing solution. According to various example aspects, methods and systems for removing hydrolysis byproducts and other polar compounds from a metal-loaded organic solutio...  
WO/2017/065622A9
A method is disclosed for extracting metals from concentrated sulphurated minerals containing metals by direct reduction with regeneration and recycling of the reducing agent, iron, and of the flux, sodium carbonate. It is a combination ...  
WO/2017/063076A1
Process to decrease silicon content of metal powder produced by hydrogen reduction from ammoniacal ammonium sulphate solutions containing metal ammine complexes, wherein metal (Me) is Ni, Co, or Cu. The process controls the precipitation...  
WO/2017/063099A1
The invention relates to hydrometallurgical methods for the extraction of copper minerals and products containing same, and in particular to a method which uses a novel reactive mixture in the steps of leaching and chemical curing. This ...  
WO/2017/065622A1
A method is disclosed for extracting metals from concentrated sulphurated minerals containing metals by direct reduction with regeneration and recycling of the reducing agent, iron, and of the flux, sodium carbonate. It is a combination ...  
WO/2017/062096A1
The present invention discloses polythiol compositions containing dipentene dimercaptans and intermolecular sulfide compounds, as well as mining chemical collector compositions containing such polythiol compositions. Flotation processes ...  
WO/2017/043668A1
The present invention provides a method for efficiently leaching copper from copper sulfide ore by separating and recovering iodine, and iron(III) ions to be used are regenerated by a heap of stacked ore in the method for leaching copper...  
WO/2017/037625A1
The present invention relates to the recycling process of electronic waste resources to recover metals of value. More particularly, it relates to eco-friendly yet efficient hydrometallurgical processes to recover metal values from waste ...  
WO/2017/035675A1
The invention relates to a method for removing arsenic from materials with a high arsenic and/or selenium content, comprising adding the material to a pressure reactor, adding an alkaline leaching solution, adding an oxidising gas, mixin...  
WO/2017/033694A1
Provided is a high purity copper sputtering target material characterized in that Cu purity excluding O, H, N and C is at least 99.99998 mass%, Al content is 0.005 mass ppm or less, Si content is 0.05 mass ppm or less, Fe content is 0.02...  
WO/2017/031574A1
The processes of the present disclosure can comprise feeding a furnace with a raw material chosen from a copper-containing material, a nickel-containing material, a cobalt-containing material and mixtures thereof. These materials can be ...  
WO/2017/004694A1
Process to recover copper from a process feed including one or more feed components containing a base metal sulphidic feed, iron, copper and arsenic. Process feed and aqueous quench solution are introduced to a pressure oxidative leachin...  
WO/2017/001306A1
The present invention relates to an apparatus and an arrangement for the (pyro)metallurgical treatment of electrical and/or electronic scrap or components, which are in particular configured in such a way that substantially uncontaminate...  
WO/2016/197201A1
A method for the pyrometallurgical processing of a sulphide material containing copper, the sulphide containing relatively high quantities of silica and relatively low quantities of iron, wherein the process comprises feeding the sulphid...  
WO/2016/198976A1
A method of integrated chemical and bacterial leaching of a base metal from a mineral is disclosed. The method includes leaching a base metal from a mineral with an ammoniacal thiosulfate chemical leaching solution having a pH from about...  
WO/2016/183611A1
A simplified or truncated hydrometallurgical method for the removal of uranium, thorium, radium, lead, bismuth and polonium and/ or other radionuclides from a radioactive copper concentrate to produce an upgraded copper concentrate havin...  
WO/2016/183610A1
A hydrometallurgical method for the removal of uranium, thorium, radium, lead, bismuth and polonium and/ or other radionuclides from a radioactive copper concentrate (92) to produce an upgraded copper concentrate having lowered emission ...  
WO/2016/180624A1
The above mentioned invention describes a process for removing arsenic and/or antimony sulfides from copper, nickel and/or gold containing ore particles. Ore particles are fed into a reactor, wherein a fluidizing gas is injected into the...  
WO/2016/177936A1
Provided herein is a process of fire refining blister copper, comprising the steps of (a) providing molten blister copper into an anode furnace; (b) when sulfur concentration of the molten blister copper provided in step (a) is above a f...  
WO/2016/171613A1
A method for production of black copper comprises an oxidation step (210) and a reduction step (260). The oxidation (210) comprises melting and agitation of an initial material comprising at least Cu, Fe and S and flux into an initial mo...  
WO/2016/170233A1
The present invention provides a method for melting copper scrap and/or refining blister copper, comprising the steps of: (a) charging of copper scrap into an empty anode furnace and melting the copper scrap; (b) charging molten blister ...  
WO/2016/165027A1
This application pertains to methods of recovering metals from metal sulfides that involve contacting the metal sulfide with an acidic sulfate solution containing ferric sulfate and a reagent that has a thiocarbonyl functional group, whe...  
WO/2016/163269A1
[Problem] To provide a metal recovery method and a metal recovery apparatus which allow a metal to be recovered from a solution at low cost with high efficiency. [Solution] A metal recovery apparatus 100 according to the present inventio...  
WO/2016/148305A1
A method of leaching copper from a copper sulfide ore which includes adding a potential adjustment agent for lowering a potential of a leaching solution obtained after leaching copper from the copper sulfide ore by using iodide ion and i...  
WO/2016/149303A1
A coalescing element for aggregating droplets of an emulsion. The coalescing element includes a nonwoven web substrate. A coalescer that includes the coalescing element can also include a housing and a fluid inlet and a fluid outlet each...  
WO/2016/141438A1
A process for the selective recovery of at least one Chalcophile Group Element ("CPM") as herein defined from a material containing the CPM and one or more non Chalcophile Group Elements ("NCE") as herein defined, said process including:...  
WO/2016/137356A1
´╗┐The invention relates to hydrometallurgical methods for processing solutions comprising non-ferrous metals, by precipitating non-ferrous metal hydrates using a magnesium-containing precipitant. The essence of the invention consists in...  
WO/2016/134494A1
The invention relates to a system and a method for the hydromagnetic deposition of copper from copper electrolytes without the presence of pairs of anode-cathode electrodes. This electronic system is a device that, inter alia, aims to el...  
WO/2016/122280A1
The present invention relates to a method for producing copper, the method comprising a step of: using copper ions in a concentration of between 1 and 10% and an acid component in a concentration of between 1 and 2M, using industrial was...  
WO/2016/100981A8
A method of improving leach kinetics and recovery during atmospheric or above- atmospheric leaching of a metal sulfide is disclosed. A system for practicing the aforementioned method is also disclosed. Apparatus for practicing the aforem...  
WO/2016/099249A1
The invention relates to a method for the extraction of metals from a mineral source by means of acid leaching, which method involves the following steps: selecting a mineral source rich in the metal of interest, such as, inter alia, cop...  
WO/2016/100981A1
A method of improving leach kinetics and recovery during atmospheric or above- atmospheric leaching of a metal sulfide is disclosed. A system for practicing the aforementioned method is also disclosed. Apparatus for practicing the aforem...  

Matches 1 - 50 out of 4,792