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Matches 1 - 50 out of 4,833

Document Document Title
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/2018/098603A1
The design and operation of the vibratory cementation device comprises a vessel containing iron-rich acid solutions of dissolved copper and scrap iron as a reactant, wherein said vessel, which is formed on the basis of polymers or plasti...  
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/2018/092954A1
An aspect of the present invention provides a method for recovering metals, the method comprising the steps of: (a) atomizing a first copper alloy to obtain a power; (b) dissolving the powder in a first acidic solution to separate a seco...  
WO/2018/091361A1
A method for extracting and separating Gold, Silver, Copper, Zinc and/or Lead from an Arsenic-containing ore, concentrate or tailings characterized in that the extraction is carried by roasting in the presence of a calcium-containing mat...  
WO/2018/072029A1
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/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/2018/049487A1
A process for recovering copper, uranium and one or more precious metals from an ore material, including: a. forming a heap of the ore material; b. subjecting the heap of the ore material to an acidic heap leach using an iron containing ...  
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/2018/026536A1
Systems and methods are provided for recycling actinides from molten chloride fuel salts that have been employed as fuel within a molten salt nuclear reactor. The used molten chloride fuel salts can contain soluble fission products (e.g....  
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/2018/015617A1
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/2018/012905A1
One aspect of the present invention provides a method for concentrating and recovering noble metals through a boron compound, comprising the steps of: (step 1) pulverizing a copper-containing material, and preparing a mixture by mixing t...  
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/2018/007672A1
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/2017/222357A3
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/2017/222357A2
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/2017/070102A8
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/2017/070102A1
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...  

Matches 1 - 50 out of 4,833