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WO/2011/160575A1 |
A manufacturing system for producing electrolytic manganese metal by two-mining method is disclosed. The system is designed to solve the problems of the conventional reduction roasting process in producing electrolytic manganese using ma...
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WO/2011/160578A1 |
A method for producing electrolytic manganese metal by using two ores and apparatus thereof are disclosed. The method comprises the following steps: leaching in sulfuric acid (5), purifying to remove iron (7), deeply purifying (18) and e...
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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 ...
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WO/2011/157893A1 |
The invention relates to a method and to an apparatus for securing together stripped metal deposit sheets (1) such as stripped metal deposit halves stripped from a mother plate of a permanent cathode used as an electrode in an electrolyt...
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WO/2011/153600A1 |
A refractory lining process for anode firing furnaces uses refractory mouldings with various shapes, sizes and mutual joints suitable for each site of use in anode firing furnaces (1), with the aim of improving the quality of the lining ...
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WO/2011/151302A1 |
The present invention relates to a carbon body which is produced by burning a mixture which contains at least coke. According to the invention, the coke is a coke of low graphitizability. In addition, the present invention relates to a m...
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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 ...
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WO/2011/149053A1 |
Disclosed is a gas purity increasing apparatus for increasing the purity of a gas that contains a salt derived from a molten salt (12) and is stored in a container (10) to a high level. The apparatus comprises: a fluxing mechanism (35, 4...
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WO/2011/148347A1 |
The invention relates to an electrolytic cell (1) for the production of aluminium (2) including cathode surface shape modifications (5) and/or additional insert(s) (3,6,7) inside the carbon cathode (4) leading to an optimized current dis...
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WO/2011/149054A1 |
Disclosed is a dust collector equipped with: a cooling member (10, 110, 210, 410) which cools a gas that has a temperature equal to or higher than the melting point of zinc chloride and contains zinc chloride vapor and which condenses th...
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WO/2011/141670A1 |
The invention relates to a method and device for unclogging a heat exchanger (2a, 2b). Said device is used for cooling gas (3) that is laden with dust and pollutants coming in particular from igneous electrolytic cells during aluminum ma...
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WO/2011/141036A1 |
The invention relates to a method for reprocessing steel scrap, wherein the steel scrap is preheated with the aid of exhaust gases arising in a melting furnace. In order to prevent dioxins, furans, or other problematic organic substances...
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WO/2011/140561A1 |
The application generally relates to a process for generating hydrogen, oxygen or both from water. More particularly, the application generally relates to a lanthanide- mediated photochemical proeess for generating hydrogen, oxygen or bo...
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WO/2011/140045A1 |
A method and apparatus for producing particles from a starting material, which includes at least one electrochemically-reactive material, with metal counter ions is disclosed. The starting material can be a bulk material, a virgin materi...
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WO/2011/137268A1 |
A method for recovering tellurium from a module comprising cadmium telluride, comprises: contacting the module comprising cadmium telluride with an electrolyte solution at a pH greater than about 9; contacting a counter electrode with th...
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WO/2011/134402A1 |
Disclosed is a method for extracting gallium from fly ash, which comprises the following steps: crushing the fly ash and removing Fe by magnetic separation; then dissolving it by using hydrochloric acid to obtain hydrochloric acid leacha...
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WO/2011/134403A1 |
Disclosed is a method for extracting gallium from fly ash, which comprises the following steps: crushing the fly ash and removing Fe by magnetic separation, then dissolving it by using hydrochloric acid (2) to obtain hydrochloric acid le...
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WO/2011/131901A1 |
The invention relates to a method and system for treating (22) fumes and gas (15) produced by at least one igneous electrolytic cell (2) during the production of aluminium, the fumes and gas comprising carbon dioxide, dust and hydrogen f...
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WO/2011/123896A1 |
A monitoring device comprising sensing means adapted to measure one or more operational parameters of at least one electrode in an electrowinning or electrorefining cell, transmission means adapted to transmit information about the one o...
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WO/2011/124362A1 |
Vibrating machines for producing molded bodies by means of compacting granular raw mixtures in a vibratory manner for the purpose of molding in particular heavyweight anode blocks nowadays include a vibrating table which is mounted so as...
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WO/2011/121998A1 |
Disclosed are: a cathode carbon block for aluminum smelting purposes, which has low specific electric resistivity and high heat conductivity; and a process for producing the cathode carbon block, both of which are developed for the purpo...
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WO/2011/114824A1 |
Tin characterized in that a melted and casted sample thereof has an α-dose less than 0.0005 cph/cm2. With the recent tendency toward high-density and high-capacity semiconductor devices, the risk of soft errors caused by α-rays emitted...
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WO/2011/110590A1 |
A method and apparatus for harvesting waste thermal energy from a pyrometallurgical vessel (1) and converting that energy to direct electrical current, the method including deriving and controlling a primary fluid flow (103) from a prima...
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WO/2011/112153A1 |
The present invention refers to a method of manufacturing layered metal oxide particles, the method comprising: placing a metal electrode in an electrolyte; and applying an electrical voltage to the electrode, wherein the metal electrode...
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WO/2011/105149A1 |
Disclosed are an electrolytic copper refining device, and an electrolytic copper refining method using the same, which are capable of producing high-quality electrolytic copper at low manufacturing cost. The electrolytic copper refining ...
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WO/2011/099483A2 |
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WO/2011/096405A1 |
Provided is a method for producing a carbon positive pole, with which it is possible to use low-quality calcined petroleum coke as a starting material for the carbon positive pole and to obtain a high-quality carbon positive pole having ...
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WO/2011/092516A1 |
The invention provides a method for the preparation of iron or iron alloys from iron ore, the method comprising the steps of electrolysing dissolved iron ore in an electrolytic bath comprising at least one molten salt and optionally incl...
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WO/2011/092375A1 |
Method and arrangement for producing metal powder. In the method, dissolved utility metal is mixed in a solution containing at least one intermediary metal for precipitating the dissolved utility metal into a utility metal powder (14). I...
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WO/2011/089005A1 |
The invention relates to a lateral profile section for an electrode for the electrolytic deposition of metals, wherein the lateral profile section is designed such that it encloses the electrode at the edge. In order to provide a lateral...
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WO/2011/090388A1 |
The present invention relates to a method for production of graphite bodies. Carbon bodies are formed from a mixture of electric calcined coke particles calcined at a temperature between 1200 and 3000°C and a binder where the coke parti...
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WO/2011/089497A1 |
An aluminium production electrolytic cell (4) comprises a bath (8) with bath contents (8a), at least one cathode electrode (10) in contact with said contents (8a), at least one anode electrode (6) in contact with said contents (8a), and ...
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WO/2011/085824A1 |
The invention refers to an air supply system (1) for a group of cells (4) arranged for dosing the individual air demand of each electrolytic cell (2) that must be fed to its electrolyte through a system of controlled air diffusion. It co...
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WO/2011/082658A1 |
A cathode with a replaceable assembly for retarding flow in an aluminum electrolytic cell is disclosed, which comprises a cathode carbon block (1) arranged at the bottom of the aluminum electrolytic cell and a cathode assembly (2) for re...
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WO/2011/082659A1 |
A cathode with a protrusion structure for an aluminum electrolytic cell is disclosed. The cathode protrusion structure (2) is arranged on the top of the cathode carbon block (1) or across the gap (3) between two cathode carbon blocks (1)...
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WO/2011/082657A1 |
A bottom structure of an electrolytic cell is disclosed which comprises an electrolytic cell (1) and a cathode busbar (2). Columnar cathode carbon blocks (3) arranged at the bottom of the electrolytic cell (1) are perpendicular to the bo...
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WO/2011/079548A1 |
An aluminum electrolytic cell having a cathode structure in which abrasion of the bulges on the cathode can be decelerated is disclosed. Bulges, which are called longitudinal bulges, are machined on each cathode carbon block near its sid...
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WO/2011/079526A1 |
A method for allocating higher and lower cathodes of an aluminum electrolytic cell in an energy-saving way is disclosed, in which cathode carbon blocks and cathode steel bars (3) are arranged at the bottom of the aluminum electrolytic ce...
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WO/2011/076137A1 |
A device for stripping a cathode plate includes a support frame and a stripping assembly. The said stripping assembly is mounted on the support frame, and it includes: clipping mechanisms, the said clipping mechanisms are arranged at the...
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WO/2011/075820A1 |
A process for shutting down an operating electrolytic cell for the production of aluminium is described. The process includes: lowering anodes until a lower portion of the anodes is immersed in an aluminium layer; allowing the aluminium ...
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WO/2011/073713A1 |
A method for producing a cathode bar for an electrolytic cell for aluminium smelting is described. A steel semi-product is hot rolled in such as way as to form a cathode bar (50) exhibiting a cross sectional shape composed of a semi¬ ci...
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WO/2011/072545A1 |
An alloy suitable for making inert anode used in a molten electrolytic bath to produce metals is disclosed, which relates to a carbon-free metal-based inert alloy anode for producing metals by electrolysis, especially for aluminum electr...
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WO/2011/072544A1 |
An electrolytic cell for producing primary aluminum by using inert anodes is disclosed, in which an electrolyte system KF-NaF-AlF3 is used and the operating temperature of the cell is 700-850°C. The electrolytic cell comprises cell shel...
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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, ...
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WO/2011/072546A1 |
An electrolyte used in aluminum electrolysis is disclosed, which is composed of(in mass percent) KF 10%-50%, NaF 0-35%, LiF 0-3%, Al2O3 2%-6%, CaF2 0-5%, MgF2 0-3% and the balance is AlF3 and inevitable impurities. The primary crysta...
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WO/2011/070245A1 |
Collection unit (100), of bucket scoop type, used in a cell for producing aluminium, comprising: a) a means of attachment to a mobile support (5'); b) a connection (52, 52') activated by a first actuator (50) that moves relative to said ...
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WO/2011/070908A1 |
Provided are an electrowinning system wherein the accumulation of a side reaction product on an anode and the increase of electrolytic voltage caused thereby can be suppressed, and an electrowinning method using the system. Specifically ...
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WO/2011/071151A1 |
Disclosed is a method for producing indium metal, wherein an indium metal-containing alloy is used as the positive electrode, indium metal is used as the negative electrode and indium chloride-zinc chloride molten salt that is mainly com...
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WO/2011/067477A1 |
The method involves pouring an extinguishing powder (5) onto a used anode (2) that is placed on a holder (1), for covering said anode, so as to limit the emission of fluorinated gases by means of the anode. The holder may include a tempo...
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WO/2011/063577A1 |
A method of washing anode slime from lead-bismuth alloy electrolysis is disclosed, wherein a lead fluorosilicate solution with high concentration can be obtained by using the anode slime from lead-bismuth alloy electrolysis as raw materi...
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