| Document |
Document Title |
|
WO/2012/055167A1 |
Disclosed is a bacterial liquid of microbial combinations for biometallurgical leaching of copper ore and a method for recovering metallic copper therefrom. A microbial leaching combination, after undergoing adaptive culture, continuous ...
|
|
WO/2012/053614A1 |
A copper concentrate treatment method characterized by comprising: a roasting step of roasting an enargite (Cu3AsS4) or a copper concentrate mainly composed of an enargite at 550-700°C in an inert gas atmosphere; and a leaching step of ...
|
|
WO/2012/053915A1 |
The present invention relates to a process of gold and copper recovery from gold-containing copper ores obtained from mixed oxide-sulfide copper ore bodies by a series of flotation stages. More specifically, the present invention relates...
|
|
WO/2012/033077A1 |
[Problem] To decompose hydrogen peroxide in a copper etching waste liquor that contains hydrogen peroxide at a high concentration, with high efficiency. [Solution] A method of treating a copper etching waste liquor containing hydrogen pe...
|
|
WO/2012/008453A1 |
Disclosed is a rotary kiln provided with a rotary furnace in which an object to be treated containing a metal is burnt, an electric furnace which is connected to the rotary furnace via a connecting portion and which separates the metal f...
|
|
WO/2012/001238A1 |
The invention relates to a suspension smelting furnace comprising a reaction shaft (1), an uptake shaft (2), and a lower furnace (3), as well as a concentrate burner (4) for feeding reaction gas and fine solids into the reaction shaft (1...
|
|
WO/2012/000090A1 |
A method of recovering copper from chalcopyrite concentrate by chemical leaching, using pyrite and silver. The catalytic properties of pyrite in the chalcopyrite leaching process are significantly enhanced by pretreating the pyrite with ...
|
|
WO/2012/001501A1 |
A method of recovering copper wherein a copper sulphide mineral is subjected to a chloride leach cycle, and then to a bioleach cycle in which the mineral is heated with a chloride-containing solution from the chloride leach.
|
|
WO/2011/162254A1 |
Disclosed are: a method for removing copper ions from a copper-containing nickel chloride solution, which can remove copper contained in the copper-containing nickel chloride solution with high efficiency; and a process for producing an ...
|
|
WO/2011/153924A1 |
Disclosed is a method for fire refining raw red copper, which comprises the following steps: charging raw material of the raw red copper (1) into a shaft furnace (3) by using a charging machine (2), smelting the raw material of the raw r...
|
|
WO/2011/147867A1 |
Hydrometallurgical reactor provided in order to carry out an extraction of at least one first metal initially present in a first oxidation state in an aqueous phase comprising: a reaction vessel, provided in order to contain the aqueous ...
|
|
WO/2011/147868A1 |
Cementation room comprising at least one cementation cell provided in order to carry out a cementation of at least one first metal in at least one first aqueous phase in contact with at least one second metal in the solid state comprisin...
|
|
WO/2011/147151A1 |
A method for non-cyanide recycling waste circuit board (1), comprises the following steps: mechanical crushing (2) waste circuit board (1), separating crude copper powder (4) from nonmetal powder through gravity separation (3), smelting ...
|
|
WO/2011/145688A1 |
Disclosed is a method for efficiently producing iron (III) ions from an acidic solution that contains iodide ions and iron (II) ions, while separating and recovering the iodine content. The method serves as a method for processing an aci...
|
|
WO/2011/135991A1 |
Disclosed is a valuable metal recovery method that has excellent valuable metal selectivity and recovery efficiency, and furthermore is capable of reusing materials that were used in the recovery of a valuable metal. The valuable metal r...
|
|
WO/2011/132729A1 |
Disclosed is a method for producing a crystalline iron arsenate starting material liquid that can efficiently separate copper and arsenic from smoke and ash generated by nonferrous smelting and can provide an arsenic solution that substa...
|
|
WO/2011/122983A1 |
The invention concerns a method for extracting brass, zinc oxide and copper oxide from brass foundry slag by crushing the slag, mechanically purifying same and extracting a brass oxide film, which includes preparing a solution containing...
|
|
WO/2011/122984A1 |
The invention relates to a facility for extracting brass, zinc oxide and copper oxide from brass foundry slag. The facility includes a slag preparation section comprising a furnace, a crusher, a magnetic separator, a vibrating screen and...
|
|
WO/2011/122985A1 |
A line for extraction of brass, zinc oxide and copper oxide from brass slags relates to the field of non-ferrous hydrometallurgy, and may be used for the selective extraction from brass casting production wastes of brass, zinc oxide, cop...
|
|
WO/2011/103132A1 |
A method and system for the copper anode refining is provided in which coherent jet technology is employed to heat the molten blister copper and/or melt scrap copper charges using a melting flame, oxidize the sulfur in the molten blister...
|
|
WO/2011/100457A1 |
Method of ion exchange cobalt recovery. Raffinate including cobalt, zinc, copper, nickel and ferric iron is produced. In the raffinate, the pH is raised, the solids are removed and ferric iron is reduced. A copper recovery ion exchange u...
|
|
WO/2011/100442A1 |
A method for extracting cobalt from copper raffinate. First, a supply of raffinate containing at least cobalt, copper, ferric iron and nickel, is provided. The raffinate is pretreated by one or all of raising the raffinate pH level; remo...
|
|
WO/2011/096479A1 |
A method for separating arsenic mineral from a copper material having a high arsenic content, which comprises pulverizing the copper material containing arsenic, adding water thereto to form a slurry and then adding to the slurry a flota...
|
|
WO/2011/090102A1 |
Disclosed is a means for efficiently collecting a platinum-group element by efficiently enriching the platinum-group element in a molten copper phase produced from a copper-iron scrap containing the platinum-group element. Specifically d...
|
|
WO/2011/091231A1 |
A mineral processing facility is provided that includes a cogen plant to provide electrical energy and waste heat to the facility and an electrochemical acid generation plant to generate, from a salt, a mineral acid for use in recovering...
|
|
WO/2011/074948A1 |
The invention is directed to a process and apparatus for recovering metals, in particular for recovering metals from bottom ash from incineration plants, such as municipal waste incineration plants (4), In accordance with the invention, ...
|
|
WO/2011/070239A1 |
The object of the invention is an arrangement for feeding powdery solid matter into a concentrate burner (2) of a suspension smelting or suspension converting furnace (1). The concentrate burner (2) comprises reaction gas feeding means (...
|
|
WO/2011/048265A1 |
The invention relates to a method of controlling the thermal balance of the reaction shaft of a suspension smelting furnace and to a concentrate burner for feeding reaction gas and pulverous solid mater into the reaction shaft of the sus...
|
|
WO/2011/047477A1 |
A method of recovering copper from a copper sulfide concentrate comprising a copper arsenic sulfosalt or a copper antimony sulfosalt, using carbon as a catalyst. The concentrate and carbon are added to an acidic sulfate leach solution. T...
|
|
WO/2011/048263A1 |
The invention relates to a method of feeding a fuel gas into the reaction shaft of a suspension smelting furnace and to a concentrate burner for feeding a reaction gas and fine solid matter into the reaction shaft of the suspension smelt...
|
|
WO/2011/048264A1 |
The invention relates to a method of using a suspension smelting furnace and to a suspension smelting furnace and to a concentrate burner (4). The concentrate burner (4) comprises a first gas supply device (12) for feeding a first gas (5...
|
|
WO/2011/027858A1 |
Disclosed are: a copper alloy which has a lower electrical resistivity and a higher tensile strength than conventional copper alloys; and a method for producing the copper alloy. The copper alloy is characterized by being obtained by add...
|
|
WO/2011/024164A1 |
An improved process for the separation of different metal values from raw materials, and an apparatus for carrying out such processes are disclosed.
|
|
WO/2011/018550A1 |
The invention relates to a method for leaching an ore containing copper and cobalt in a reactor, where the copper and cobalt minerals of the ore are mainly oxidic and partially sulphidic. The copper and cobalt of the ground ore are leach...
|
|
WO/2010/150873A1 |
Disclosed is a method for efficiently and economically separating and recovering elements, such as copper, that coexist in scrap iron, wherein scrap iron is melted and the molten product of scrap iron obtained is brought into contact wit...
|
|
WO/2010/149841A1 |
The invention relates to a method for leaching bulk concentrate of chalcopyrite-type by means of an aqueous solution containing sulphuric acid and an oxygen feed at atmospheric pressure and at a temperature between 750C and the boiling p...
|
|
WO/2010/120405A1 |
Various embodiments provide new methods of rhenium recovery The methods can include subjecting a metal-bearing solution to an activated carbon bed, and adsorbing rhenium onto the activated carbon. The methods can also include heating a b...
|
|
WO/2010/117321A1 |
The disclosure relates to a process for refining of copper bullion comprising arsenic and/or antimony in order to enable extraction of the metal values bound in the copper bullion. The process comprises two separate metallurgical process...
|
|
WO/2010/109078A1 |
The invention relates to an apparatus and method for removing molybdenum and other possible impurities from an organic copper-containing extraction solution in connection with the liquid- liquid extraction related to copper recovery. The...
|
|
WO/2010/082065A2 |
A process for recovering a metal chloride or mixed metal chloride from a solid waste material comprising recoverable metal containing constituents produced by lead, copper or zinc smelting and refining processes, said process comprising ...
|
|
WO/2010/076030A1 |
This disclosure concerns a process for the recovery of PGM from the cobalt-based, PGM-bearing alloys that are typically obtained after smelting spent GTL catalysts. The process comprises the steps of: - powdering the alloy to a mean part...
|
|
WO/2010/064143A2 |
The present disclosure is directed towards systems and methods for the treatment of wastewater. A system in accordance with one particular embodiment may include a vacuum filter band system configured to receive a saturated ion exchange ...
|
|
WO/2010/057329A1 |
Process for the treatment of concentrates of copper sulphurates such as chalcopyrite realised in a cell formed by walls and a floor having in the interior thereof at least two chambers, a first anodic chamber having an anode and a first ...
|
|
WO/2010/050462A1 |
A method for obtaining a low-arsenic-content refined copper ore is provided in which an arsenic mineral is separated from a copper-containing substance containing arsenic, such as a copper ore or refined copper ore. The method comprises ...
|
|
WO/2010/037169A1 |
This invention relates to a process for extraction of mined material including the steps of draining liquid from the mined material, and adding metal-binding particles to the drained liquid. The process is particularly well adapted for e...
|
|
WO/2010/034085A1 |
Method for recycling of slag from copper production, containing silicate-fayalite, which is characterized by the circumstance that fayalite oxidizes with air at oxidation temperatures of 700 to 1.100 °C, and for 3 to 5 hours; hydroxy or...
|
|
WO/2010/025940A1 |
A copper anode furnace comprises a furnace drum (2), which can be pivoted about a horizontal axis and in which copper melt is refined into anode copper by means of fire refining. Said furnace drum (2) is provided with a spout (10) for po...
|
|
WO/2010/025096A1 |
A system and method for recovering a metal value from a metal-bearing ore material are provided. A metal-bearing ore can be mixed with certain substances and to form an agglomerated ore. In an intermediate state, between agglomeration an...
|
|
WO/2010/019063A1 |
The process for extraction of molybdenum from the collective concentrate Cu-Mo, according to the invention, enables an economic production of molybdenum form a copper ore which has, on the average, 25-30% lower copper concentration and 5...
|
|
WO/2010/018815A1 |
The object aims to produce a purified material from a material containing a metalloid element (e.g., silicon) or a metal element as the main component and also containing impurities with high efficiency. Disclosed is a method for purifyi...
|
