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WO/2022/108007A1 |
The present invention relates to a metal oxide reduction method and, specifically, to a metal oxide reduction method which, in producing a high-grade alloy metal using a metal oxide as a raw material, enables operation in the atmosphere ...
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WO/2022/108006A1 |
The present invention provides a system and method for reducing a metal M1 from a metal oxide.
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WO/2022/103295A1 |
The invention relates to rare metal metallurgy and can be used for producing high-purity metallic scandium. A method for producing high-purity metallic scandium comprises reducing scandium chloride with metallic sodium in the presence of...
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WO/2022/077046A1 |
The invention provides an integrated solution to the processing of the major portion of household waste comprising organic matter and plastics in an integrated way that produces useful products from both streams.
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WO/2022/073324A1 |
Provided are a smelting method and device for iron-based ores. The method comprises: directly adding iron-based ores, a first flux and a second reducing agent into a furnace, blowing a first oxygen-enriched gas and a first fuel to a jet ...
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WO/2022/068983A1 |
The invention relates to a method for the desulphurisation of industrial exhaust gas with an SO2 output content in the range of 12 to 30 vol.%, in particular exhaust gas from large-scale pyrometallurgical processes, the desulphurisation ...
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WO/2022/061398A1 |
A method for producing direct reduced iron ("DRI") from iron ore and biomass is disclosed. The method includes heating a batch of iron ore and biomass in each oven chamber of a non-recovery batch oven by a combination (i) the thermal mas...
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WO/2022/067134A1 |
Some variations provide a composition for reducing a metal ore, the composition comprising a carbon-metal ore particulate, wherein the carbon-metal ore particulate comprises at least about 0.1 wt% to at most about 50 wt% fixed carbon on ...
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WO/2022/067135A1 |
Some variations provide a composition for reducing a metal ore, the composition comprising a carbon-metal ore particulate, wherein the carbon-metal ore particulate comprisesat least about 0.1 wt% to at most about 50 wt% fixed carbon on a...
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WO/2022/058761A1 |
The invention provides for a method of recovering manganese from a manganese ore concentrate, which comprises the steps of: preparing a manganese-containing feedstock that contains fractions of different categories; preparing a coke cut ...
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WO/2021/262078A9 |
Method for producing direct reduced metal material, comprising the steps: a) charging metal material (142) to be reduced into a furnace space (120); b) providing heat and a reducing gas into the furnace space (120), so that heated reduci...
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WO/2022/037781A1 |
A method for separating zinc from an industry product (110) is described, the method comprising: i) providing the industry product (110) which comprises oxidized zinc (102); ii) heating the industry product (110) so that the industry pro...
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WO/2022/027146A1 |
Methods for leaching and extraction of precious metals. For example, methods of leaching palladium, rhodium, platinum from a substance comprising palladium, rhodium, and/or platinum (such as a platinum group metal (PGM) concentrate, and ...
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WO/2022/022987A1 |
The invention relates to a method for obtaining gold and silver from raw materials (1) such as ores, gangue or by-products having a minimum content of 0.2 ppm gold. The raw material (1) is comminuted by grinding in a grinding step (2). I...
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WO/2022/012851A1 |
The present invention relates to a method for obtaining non-ferrous metals, more particularly black and/or raw copper, from scrap containing organic matter (8), comprising the steps: i) providing a melting reactor (2), the melting reacto...
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WO/2021/246721A1 |
A method for recovering active metals from a lithium secondary battery, according to exemplary embodiments, can cause, under a pressurized condition, a reaction between a reductive reaction gas and a cathode active material mixture conta...
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WO/2021/237308A1 |
A process for producing direct reduced iron ("DRI") from iron ore and biomass in a single stage fluidised bed includes injecting (a) iron ore, (b) gaseous oxygen and (c) a solid reductant including biomass into a reaction zone of the flu...
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WO/2021/237281A1 |
A compacted 'green' briquette between 5 cm3 and 20 cm3 including, prior to reduction in a direct reduction process, a composition including at least 30% lignocellulosic biomass material by dry weight and at least 55% iron ore fines by we...
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WO/2021/234653A1 |
This invention relates to a method of recovering metal values such as gold, copper, nickel, zinc and uranium from ores containing said metal values. The method includes the steps of crushing an ore (10) to provide a sand containing metal...
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WO/2021/227210A1 |
Provided are an apparatus capable of reducing metal and a reduction process. The apparatus comprises a furnace body, a spray gun, an exhaust hole, and a collection portion, wherein the furnace body includes a cone structure, and the area...
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WO/2021/217220A1 |
Disclosed herein is a method for reducing a metal oxide in a metal oxide containing precursor. The method comprises providing a reaction mixture comprising the metal oxide containing precursor and an aluminium reductant; heating the reac...
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WO/2021/205903A1 |
The purpose is to provide a method for recovering a valuable metal at low cost. The present invention is a method for recovering a valuable metal, the method comprising a step of preparing a burden material containing at least a valuab...
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WO/2021/166755A1 |
Provided is a method for treating an alloy by which nickel and/or cobalt can be selectively isolated from an alloy that contains copper as well as nickel and/or cobalt, in a waste lithium ion battery or the like. The present invention ...
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WO/2021/157417A1 |
The present invention provides a method for producing a chromium alloy containing extremely little impurities, said method using chromium ore as a starting material. This method for producing a chromium alloy comprises: a first step (S1)...
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WO/2021/150302A1 |
A system and method that uses a high-temperature condenser to collect magnesium gas produced by thermal reduction, electrolysis, or distillation. The condenser is a common heat exchanger design (shell/tube, plate/plate, etc.) and uses a ...
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WO/2021/144695A1 |
A process for treating a material, such as by calcination or reduction processes, is disclosed. The process comprises reacting hydrogen and oxygen in a reaction chamber and producing heat and steam, discharging steam from the reaction ch...
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WO/2021/135398A1 |
A method for preparing highly pure metallic lithium by vacuum thermal reduction, comprising the following steps: performing vacuum thermal degradation on a lithium-containing raw material in the presence of a flux inhibitor and a catalys...
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WO/2021/099598A1 |
Disclosed is a single-chamber furnace for fuming an evaporable metal or metal compound from a metallurgical charge comprising a bath furnace for containing a molten charge up to a determined level, the furnace being equipped with a non-t...
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WO/2021/091049A1 |
Provided is a method for refining tantalum by using metallothermic reduction, the method incrementally injecting a reducing agent so as to minimize the amount of unreacted materials, thereby being capable of refining tantalum to have hig...
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WO/2021/074482A1 |
An autoclave (100) for pressure oxidation of a slurried material comprising at least one sulfide material, and a method.The autoclave (100) comprises a pressure vessel (1) for receiving said slurried material. The pressure vessel (1) com...
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WO/2021/061038A1 |
Method and system for producing direct reduced metal material, comprising the steps: a) charging metal material to be reduced into a furnace space (120); b)evacuating an existing atmosphere from the furnace space to achieve a gas pressur...
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WO/2021/036092A1 |
Disclosed are an energy-saving-type system and method for extracting titanium. The system comprises a raw material pre-drying kiln, a preheating kiln, a reduction rotating kiln, a cooling rotating kiln, a ball mill, a magnetic separator,...
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WO/2021/034205A1 |
The proposed invention relates to a process for producing a depressant, which includes, in percentage by weight: dissolving 1-40% humic acid or humic acid derivatives in 50-99% water at a temperature of 15-30°C and solubilising by addin...
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WO/2021/018159A1 |
Disclosed is a method for preparing elemental material by using a monoatomic carbon reduction, comprising: cracking an organic carbon source into atomic carbon and dissolving in a melt medium at 300 °C to 1500 °C; performing an oxidati...
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WO/2021/014946A1 |
A PGM recovery method wherein the following steps are performed in order to recover a PGM alloy: a reduction smelting step in which a PGM-including processing target, a base metal and/or a base metal oxide, a flux, and a reduction agent ...
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WO/2021/010312A1 |
Provided is a slag detoxification method for preventing generation of toxic hexavalent chromium in slag waste. A reducing agent and slag containing chromium oxide are introduced to an electric furnace, the slag is reduced by the reducing...
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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/2020/263517A1 |
A method and system for recovering a high yield of low carbon ferrochrome from chromite and low carbon ferrochrome produced by the method. A stoichiometric mixture of feed materials including scrap aluminum granules, lime, silica sand, a...
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WO/2020/232505A1 |
A process (10) for the production of manganese sulphate, the process comprising the steps of: (i) Passing a manganese containing ore (12) to a reduction step (14); (ii) Passing a product of the reduction step to a wash (26) in dilute aci...
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WO/2020/216320A1 |
A method for reducing oxide ores by using a square carbonization chamber of a coking plant, comprising performing mixing; pressing ores into spheres by means of a ball pressing machine, and putting same into the square carbonization cham...
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WO/2020/204797A1 |
Method for producing direct reduced metal material, comprising the steps: a) charging metal material to be reduced into a furnace space (120); b) evacuating an existing atmosphere from the furnace space (120) so as to achieve an underpre...
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WO/2020/201869A1 |
Disclosed are processes for recycling chromium oxide and producing chromium-alloy steel. Chromium oxide is reduced to metallic chromium and metallic chromium is mixed with steel to form chromium-alloy steel.
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WO/2020/204795A1 |
Method for producing direct reduced metal material, comprising the steps: a) charging metal material to be reduced into a furnace space (120); b) evacuating an existing atmosphere from the furnace space (120) so as to achieve an underpre...
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WO/2020/203937A1 |
The purpose of the present invention is to inexpensively and efficiently recover valuable metals such as Co or Ni from a recovery product containing Al2O3, CoOX, or NiOX. In a method for recovering valuable metals according to the pres...
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WO/2020/204796A1 |
Method for producing direct reduced metal material, comprising the steps: a) charging metal material to be reduced into a first furnace space (120) of a first furnace (220); b) evacuating an existing atmosphere from the first furnace spa...
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WO/2020/192977A1 |
The invention relates to a method for producing a PGM collector alloy, comprising the steps: (1) providing (a) copper and/or silver, (b) material to be processed by melting metallurgy, in the form of at least one sodium and/or potassium ...
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WO/2020/179943A1 |
The present invention relates to a method and an apparatus for recovering copper, bronze and lead by allowing methane gas to flow into a reactor and heat-treating a mixture of copper oxide, tin oxide and lead oxide under a temperature co...
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WO/2020/151034A1 |
Disclosed is a method for the separation and enrichment of valuable components from a titanium-containing iron mineral, the method involving: blending a titanium-containing iron mineral with a ferrosilicon alloy powder as a reducing agen...
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WO/2020/132752A1 |
The present application relates to a modern plant that includes a method for obtaining commercial antimony trioxide (Sb2O3), arsenic trioxide (As2O3) and metal lead (Pb) from a mineral containing predominantly antimonite. The first step ...
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WO/2020/132751A1 |
The present application relates to a method for obtaining antimony trioxide (Sb2O3), arsenic trioxide (As2O3) and metal lead (Pb) from a mineral containing predominantly antimonite. The first step begins with a process of oxidative roast...
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