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WO/2021/157483A1 |
Provided is a separation method for valuable resources, the method comprising: a heat treatment step for heat-treating an object containing valuable resources to melt aluminum and separate a molten material; a crushing step for crushing ...
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WO/2021/157208A1 |
A method for producing a metal mixture for hydrogen generation that includes a step for heating a mixture that includes aluminum oxide, carbon, and gallium to more than 660°C to 1900°C or less, and a step for cooling to 660°C or less ...
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WO/2021/145293A1 |
An object is to provide a method with which Mg can be efficiently removed from an aluminum alloy melt whose raw material is scrap or the like. The metal removal method of the present invention includes a processing step of forming a molt...
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WO/2021/144694A1 |
A process of calcining aluminium hydroxide (A12O3.3H2O) to form alumina (A12O3), for example in an alumina plant, such as a Bayer process plant, is disclosed. The process comprises combusting hydrogen and oxygen and generating steam and ...
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WO/2021/145292A1 |
An object is to provide a metal removal agent used when removing Mg from an aluminum alloy melt whose raw material is scrap or the like. The present invention provides a metal removal agent used for formation of a molten salt layer that ...
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WO/2021/145398A1 |
An object is to provide a method capable of efficiently removing Zn from an Al alloy melt obtained from scrap or the like. The present invention provides a metal purifying method for purifying an aluminum alloy melt by removing a specifi...
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WO/2021/099549A1 |
The invention relates to a method for the analysis and/or sorting of scrap metal, more particularly of scrap aluminium, in which a quantity of scrap metal, more particularly aluminium scrap, in the form of a scrap bundle (6) or a group (...
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WO/2021/097518A1 |
A method for preparing aluminium compounds from kaolin comprises (a) leaching the kaolin with sulphuric acid, (b) separating a pregnant leach solution from a solid residue, (c) precipitating an alum containing solid from the pregnant lea...
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WO/2021/077444A1 |
The present invention relates to the technical field of alloy processing. Disclosed is a processing technology for high-performance secondary aluminum based on the change of the morphology of an iron-rich phase, comprising the steps of: ...
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WO/2021/072799A1 |
A system for preparing a squeeze casting aluminum alloy from a recycled aluminum, comprising a squeeze casting device body, a squeeze casting side plate, and a scrap aluminum volume compression member. One side of the squeeze casting dev...
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WO/2021/071381A1 |
The invention relates to the field of metallurgy. A method for purifying aluminium and its alloys from intermetallics and other nonmetal inclusions is characterized in that, following melting, a melt of aluminium or its alloy is overheat...
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WO/2021/026193A1 |
A system for processing red mud comprising: a first heating section controlled to heat red mud to a first temperature; a second heating section controlled to heat the red mud to a second temperature lower than the first temperature; a cr...
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WO/2021/005566A1 |
A process for producing metal aluminum, and optionally other metals, starting from aluminum compounds containing oxygen and possibly other metals, by means of a chemical reduction reaction of the aluminum carried out in a reaction chambe...
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WO/2020/264273A1 |
The efficiency of roasting black dross can be improved by pre-processing the black dross before roasting. Black dross can be crushed and reconstituted into pellets having internal channels. The internal channels can be filled with additi...
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WO/2020/264267A1 |
A two stage dross treatment capable of being performed in a single reaction vessel is disclosed. Dross, especially white dross, can be contacted with salt flux in a rotary furnace to recover metal from the dross. This first stage can rec...
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WO/2020/264281A1 |
Salt components of dross can be extracted efficiently through evaporation. During dross treatment, temperatures can be permitted to approach or exceed the boiling point of one or more salt components of the dross, preferably in an oxidiz...
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WO/2020/255468A1 |
This electrolytic smelting system (100) is provided with: an electrolytic smelting furnace (1) having a furnace body (10) in which a molten ore (Wm) is introduced, a negative electrode substrate (11) provided on the bottom part (10B) ins...
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WO/2020/245542A1 |
Device for degassing liquid metal comprising an enclosure containing a bath of liquid metal, a device for circulating a gas through a purification chamber and in that the purification chamber comprises a getter material configured to tra...
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WO/2020/242347A1 |
The invention relates to the chemical and metallurgical industries and can be used for bauxite processing. The technical result of the claimed invention consists in simplifying bauxite processing while increasing the efficiency thereof. ...
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WO/2020/235579A1 |
Provided is a melting furnace that minimizes oxidation of molten material and with which it is possible to improve the quality of a molten material. As shown in fig. 3, this melting furnace 1 is provided with: a melting part 2 to which a...
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WO/2020/232152A1 |
A degassing launder having a plurality of partition plates configured to block a flow of molten aluminum and including a plurality of domes. Two adjacent partition plates and two side walls of the launder form a degassing chamber. A lowe...
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WO/2020/218237A1 |
This dross generation suppression method involves: setting an environmental atmosphere, in which a metal-containing object is placed, to a condition of having a water content less than that of the air environment of the periphery of the ...
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WO/2020/182616A1 |
The invention provides a method and an installation (10) for removing slag, which allow for a rapid and simple slag removal as well as metal recovery from the slag (60'), at the same time reducing the risk of slag fires.
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WO/2020/149013A1 |
An object is to provide a recycling method for aluminum alloy capable of offering a recycled Al alloy (melt), in which the Fe concentration is efficiently reduced, while using Al alloy scrap and the like as raw materials. The present i...
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WO/2020/140149A1 |
Systems, methods, and apparatus for treating a molten metal are provided. A metal treatment system, comprising: a wire feeding subsystem; and a cored wire; wherein the wire feeding subsystem feeds the cored wire into a metal bath at a co...
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WO/2020/132733A1 |
A method for recovering aluminium, or recycling method, is described that is based on separating the aluminium contained in aseptic carton packages (1), flexible packages (2) and residual aluminium alloy powders (3) used in additive manu...
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WO/2020/109124A1 |
The invention provides a process for producing alumina from bauxite ore in a continuous steady-state manner comprising (a) preparing a bauxite slurry by mixing the bauxite ore with at least a part of an Al-depleted liquid fraction (S100)...
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WO/2020/111848A1 |
The present invention pertains to a method for recycling black dross, the method comprising: (a) a step in which black dross, generated when aluminum scraps are flux-treated with a flux containing sodium chloride and potassium chloride w...
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WO/2020/095219A1 |
A method of recycling or processing layered packaging material includes admixing a polymer-metal composite obtained from or forming part of layered packaging material with a reactant selected to react with the metal of the polymer-metal ...
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WO/2020/035181A1 |
Method for producing thermally processed material (50), the method comprising providing material (35) to be thermally processed, providing carbon-containing scrap material (20) from an electrolysis cell (10) for the production of primary...
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WO/2020/023689A1 |
A method for regenerating different types of copper-containing aluminum alloys using aluminum alloy scrap from aeronautical industry.
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WO/2020/019917A1 |
Disclosed are a method for efficiently recycling iron, scandium, and aluminum from limonite type lateritic nickel ores, comprising: crushing or finely grinding the limonite type laterite nickel ores to obtain ore powder; selectively leac...
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WO/2020/012199A1 |
A method for separating iron from an aluminium alloy comprises providing a first zone of an aluminium alloy at a first temperature at which the aluminium alloy is partially melted and any iron-containing particles therein are fully molte...
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WO/2019/232149A1 |
Compositions and methods are provided that permit both recovery of at least two metals from industrial waste materials and control of the degree of relative recovery between the two metals. Industrial waste is initially treated with an a...
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WO/2019/204986A1 |
A molten aluminum holding furnace provided with a purification system and a molten aluminum temperature detection method, the holding furnace comprising: a furnace body (1), provided thereon with a storage space (2) for storing molten al...
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WO/2019/201071A1 |
A method for converting aluminum waste into aluminum fuel for power generation. After pretreating an aluminum waste material, the pretreated aluminum waste material is sorted based on the aluminum and aluminum alloy content thereof. Sort...
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WO/2019/198476A1 |
An impurity removal method of one embodiment comprises: a step for adding Mg or an Mg alloy to Al or an Al alloy melt containing impurities; a step for maintaining the melt after said addition step to within a temperature range of 470 to...
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WO/2019/185287A1 |
Pouring filter, in particular for filtering and/or purifying a metal melt, having a cell structure for conveying a metal melt and having a support structure for strengthening the cell structure, wherein the cell structure and/or the supp...
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WO/2019/185289A1 |
Pouring filter, in particular for filtering and/or purifying a metal melt, having a filter structure for conveying a metal melt and having a frame structure that at least locally encloses the filter structure, wherein the filter structur...
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WO/2019/185288A1 |
Pouring filter, in particular for filtering and/or purifying a metal melt, having a cell structure made, at least locally, of a ceramic material for conveying a metal melt, wherein the cell structure consists of a plurality of cells whic...
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WO/2019/185290A1 |
Pouring filter, in particular for filtering and/or purifying a metal melt, having a cell structure for conveying a metal melt and having a support structure for strengthening the cell structure, wherein the cell structure and/or the supp...
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WO/2019/178122A1 |
A metal scrap submergence device comprising an open top chamber including walls of a heat resistant material, an inlet positioned in the chamber, an outlet positioned in the base of the chamber, and a ramp adjacent the side wall of the c...
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WO/2019/157589A1 |
Methods and apparatuses for treating aluminum dross, zinc dross, or metal-rich residues. These methods comprise heating aluminum dross, zinc dross or metal-rich residues in an induction furnace to induce electrical current in at least on...
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WO/2019/149293A1 |
The alunite ore processing method consists of crushing, grinding and flotation of raw alunite ore. The enriched alunite ore is roasted at 520 to 620 °C, the roasting time is 1 to 3 hours. The roasted alunite is leached with 5 to 20 % so...
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WO/2019/142277A1 |
[Problem] To provide: an aluminum melting system that demonstrates superior efficiency in aluminum melting processing and reliability in melt purification and is advantageous for automation when melting aluminum scrap that serves as a ra...
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WO/2019/100042A1 |
A method including providing a quantity of metal, the quantity of metal being contaminated by a contaminant including a quantity of carbon; configuring a vacuum induction furnace to operate according to a set of operating parameters, the...
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WO/2019/077892A1 |
Provided is an Al alloy recovery method capable of producing a recovered Al alloy (molten metal), in which Fe concentration and Si concentration are efficiently reduced, while using scraps of Al alloy castings and the like as raw materia...
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WO/2019/071912A1 |
A bottom-set degassing rotor for on-line refining of aluminum alloy. The invention comprises a degassing shaft (1) and a quick-connecting degassing disk (4) disposed at the top end of the degassing shaft (1). The degassing shaft (1) comp...
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WO/2019/067433A1 |
Disclosed herein are methods and compositions for increasing the alumina content of a bauxite ore prior to alumina extraction by an extractive process, such as the Bayer process. By adding a beneficiation agent to an aqueous ore slurry, ...
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WO/2019/055960A1 |
Bauxite grinding compositions that can significantly reduce the viscosity of bauxite slurry, which allow alumina refinery plants to increase throughput of bauxite grinding or pre-desilication. Described are processes to improve the grind...
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