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WO/2015/058239A1 |
Disclosed herein, is a process for recovering- valuable metals and/or their oxides from red mud bauxite residues or similar. The process comprises: calcining a red mud residue having a pH of less than about 10 to provide a calcinated red...
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WO/2015/056033A1 |
A method and apparatus for processing a material are provided, the material being the upper layer from a metal melting process, the material containing one or more salts, the material containing one or more metals, the salts and/or metal...
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WO/2015/053645A1 |
The invention relates to metallurgy and specifically to acid methods for processing aluminum-containing raw material, and can be used in producing alumina. The method for processing aluminum-containing raw material includes firing an ...
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WO/2015/050208A1 |
[Problem] To melt even a block-like non-ferrous metal material containing an oil and water safely and with high efficiency. [Solution] A voltex chamber (33) is composed of: an outer peripheral wall (331); an almost inverted cone-shaped v...
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WO/2015/050462A1 |
A metal smelting system includes a potline, a cooling system, and a control system arranged to control together both the cooling system and the electric current and/or power input to electrolyctic reduction in the potline including reduc...
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WO/2015/042692A1 |
There is provided a process for preparing alumina. The process comprise leaching an aluminum-containing material (for example an industrial waste product chosen from red mud, fly ashes and a mixture thereof), with HCl so as to obtain a l...
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WO/2015/040259A1 |
The invention relates to a system and a method for separating aluminium and non-ferrous metals especially from plastic materials, and for separating said plastic materials from each other, comprising a first mill for receiving material t...
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WO/2015/008660A1 |
Disclosed is an apparatus for installing a metal melt filtration unit, which is equipped with: a holding device (38), to/from which a filtration unit (10) is attachable/detachable, and which enables the installation of the filtration uni...
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WO/2015/003940A1 |
The invention relates to a system for adding molten lithium and an inert gas in a melt of molten aluminium or aluminium alloy in a holding furnace, the system comprising, a crucible defining a chamber for melting and storage of molten me...
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WO/2015/003934A1 |
The invention relates to a method of producing molten aluminium-lithium alloys for casting a feedstock in the form of an ingot, the method comprising the steps of: (a) preparing a molten first aluminium alloy with a composition A which i...
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WO/2014/207072A1 |
A process and apparatus for recovering aluminium metal from aluminium dross, the process comprising skimming aluminium dross from a furnace containing molten aluminium into a dross processing receptacle, transporting and mounting the dro...
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WO/2014/200357A1 |
Method for sustainable energy production in a plant comprising a solid oxide fuel cell (SOFC) in which method calcium oxide is being used as a sorbent in an exothermic carbon capture step. Calcium oxide is converted to calcium carbonate ...
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WO/2014/199771A1 |
Provided is a wastewater treatment method capable of selectively and efficiently separating and removing high-purity manganese sediment from sulfuric acid acidic wastewater containing aluminum, magnesium and manganese. In this wastewater...
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WO/2014/194425A1 |
An edge closure system is presented herein wherein a portion of the closure edge of the filter bags leading to the outlet pipe aperture are provided with mating snapping closures, allowing to sealingly close the length of the edge of the...
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WO/2014/138813A1 |
A process for producing an aluminium-scandium based alloy from aluminium and scandium chloride, the process also producing aluminium chloride as a by-product and including the step of reducing scandium chloride in the presence of alumini...
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WO/2014/125263A1 |
This invention provides a system (10) for generating energy from waste material. The system comprises a first batch processing oven (12) for generating syngas and a second batch processing oven (14) for generating syngas. At least one th...
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WO/2014/118397A1 |
The invention relates to a method for melting aluminum chips. The aim of said method is to reduce the initial investment which involves the initial acquisition of the existing equipment for said purposes, at the same time being able to w...
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WO/2014/104920A1 |
The invention relates to metallurgy, in particular, acid methods for producing alumina, and can be used for processing a low grade aluminium-containing raw material. The method for producing alumina comprises treating aluminium-contai...
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WO/2014/105864A1 |
The instant disclosure is directed towards methods of determining green electrode quality via electrical resistivity measurements on green electrode forms (e.g. prior to baking) The instant disclosure is directed towards methods of makin...
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WO/2014/075173A1 |
There are provided processes for purifying aluminum ions. Such processes comprise precipitating the aluminum ions under the form of AI(OH)3 at a first pH range; converting AI(OH)3 into AICI3 by reacting AI(OH)3 with HCI and precipitating...
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WO/2014/062063A1 |
The publication relates to a method for melting solid metal, such as scrap aluminum, where the solid material is placed in a closed, insulated container (12) of a material having refractory qualities, the container (12) being provided wi...
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WO/2014/047728A1 |
A process for preparing alumina, said process comprising leaching an aluminum-containing material with HC1 so as to obtain a leachate comprising aluminum ions, magnesium ions and a solid, and separating said solid from said leachate; sub...
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WO/2014/042549A1 |
The invention relates to metallurgy, specifically to acidic methods for producing alumina, and can be used in the processing of low-quality aluminium-containing raw materials. The method for producing alumina comprises treating an alumin...
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WO/2014/030369A1 |
Provided is an alumina- or magnesia-reducing process in which a greenhouse effect gas or a substance harmful to the human body is not emitted and which can achieve an improved energy efficiency in comparison with the Hall-Héroult method...
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WO/2014/025269A1 |
A method for reprocessing aluminium or aluminium alloys scrap consisting in that the aluminium scrap is pre-shredded and cleaned in the course of a pyrolysis process in order to remove unwanted substances; next, immediately after the com...
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WO/2014/015539A1 |
A method of recycling waste easy-open aluminum cans uses waste easy-open aluminum cans as raw materials and performs crushing, iron removal through magnetic separation, preprocessing paint removal, melting, component adjustment, modifica...
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WO/2014/014379A1 |
The invention relates to metallurgy, in particular to acidic methods for producing alumina, and can be used in the processing of low-grade aluminium-containing stock. The method for producing alumina comprises burning the aluminium-co...
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WO/2014/014380A1 |
The invention relates to the metallurgical industry, specifically to the acid treatment of red mud obtained in the process of producing alumina, and can be used in technologies for recycling waste from alumina refinery holding ponds. The...
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WO/2014/008586A1 |
There are provided processes for preparing various products from various materials. For example, such processes are effective for extracting titanium and various other metals from various materials, thereby allowing for preparing product...
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WO/2014/005560A1 |
A rotational device for refining metal melts has a cylindrical rotor (1) fastened to a hollow shaft (2), which rotor is formed from two parallel discs (3, 4) connected to radial partitions (5), and has a central void (6), which is open a...
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WO/2014/004392A1 |
The present invention provides a method of purifying aluminum, and/or use of the purified aluminum as a solvent metal to purify silicon.
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WO/2013/168214A1 |
The present invention addresses the problem of providing an aluminum refining apparatus that enables a reduction in refining time and an increase in yield. This aluminum refining apparatus (1) is provided with: a vessel (10) with a botto...
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WO/2013/168213A1 |
The present invention addresses the problem of providing an aluminum refining apparatus that enables a reduction in refining time and an increase in yield. This aluminum refining apparatus (1) is provided with: a vessel (10) with a botto...
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WO/2013/161087A1 |
This invention is provided with: a molten metal heat retention device (100) having a first furnace wall (120) and a heater (180) capable of causing the molten metal to retain heat, the molten metal heat retention device (100) capable of ...
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WO/2013/160754A1 |
An apparatus and method are described for effectively priming a non-electrically conductive filter for removal of solid inclusions from liquid metal. In one embodiment, the ceramic filter media is surrounded by a low frequency induction ...
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WO/2013/158607A1 |
A metal scrap submergence device comprising an open top chamber including walls of a heat resistant material, an inlet positioned in a side wall of the chamber, an outlet positioned in the base of said chamber, and a ramp adjacent said s...
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WO/2013/142957A1 |
There are provided processes for treating fly ash. For example, the processes can comprise leaching fly ash with HCI so as to obtain a Ieachate comprising aluminum ions and a solid, and separating the solid from the Ieachate; reacting th...
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WO/2013/128830A1 |
Provided is a metal recovery process which makes it possible to recover objective metal elements efficiently from tin slag or other slag generated in metal refining. This metal recovery process is a process which is to be employed in rec...
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WO/2013/104059A1 |
There are provided processes for treating red mud. For example, the processes can comprise leaching red mud with HCl so as to obtain a leachate comprising ions of a first metal (for example aluminum) and a solid, and separating said soli...
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WO/2013/099004A1 |
By using an aluminium-powder producing apparatus equipped with an aluminium-can rotating means for causing a used aluminium can, to which a coating of paint or the like has been adhered, to rotate on the central axis thereof, and a plasm...
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WO/2013/099471A1 |
In a molten-metal filtration apparatus (10), one or a plurality of porous ceramic filtration tubes (41) having an opening (43) on one end, the other end being closed, are disposed inside a container body (20) for retaining molten metal s...
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WO/2013/056348A1 |
A process and an apparatus are disclosed for improved recovery of metal from hot and cold dross, wherein a dross-treating furnace is provided with a filling material with good capacity to store heat. This filling material is preheated to...
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WO/2013/053143A1 |
A device for processing aluminum and aluminum alloy fusant is provided with an aluminum melting furnace (1), an exchange chamber A (2), and an exchange chamber B (3) communicating with one another. A rotation means (8) with a graphite ro...
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WO/2013/045855A1 |
The invention relates to a process for treating an effluent that contains metals, comprising: - at least one step of extraction of the chloride ions present in the effluent, in the form of metal complexes, by liquid-liquid extraction in ...
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WO/2013/037054A1 |
There are provided processes for preparing alumina. These processes can comprise leaching an aluminum-containing material with HCl so as to obtain a leachate comprising aluminum ions and a solid, and separating said solid from said leach...
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WO/2013/020339A1 |
Provided is a method for purifying high-purity aluminium by directional solidification, comprising the steps of: selecting an aluminium raw material with a purity of from 4N to 5N, heating same to a temperature of 670°C to 730°C, stand...
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WO/2013/013321A1 |
A method and a use for the purification of a metal selected from the group consisting of aluminum and aluminum alloys, wherein said metal is in a liquid phase and is contacted with a salt flux consisting of a selected tertiary mixture of...
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WO/2013/010263A1 |
There are provided methods for separating iron ions from aluminum ions contained in an acidic composition. The methods comprise reacting the acidic composition with a basic aqueous composition having a pH of at least 10.5 so as to obtain...
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WO/2013/006852A2 |
In accordance with one aspect of an exemplary embodiment, a furnace including a charge well is provided. The charge well comprises an open top chamber including side and base walls of a heat resistant material. An inlet is provided in a ...
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WO/2012/170604A1 |
A flux injector apparatus and method adapted to distribute a predetermined amount of flux to an associated pool of molten aluminum. The flux injector apparatus includes a pressurized tank adapted to store and feed the flux under pressure...
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