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WO/2022/113669A1 |
A method for producing an alkali metal salt of tungstic acid according to the present invention comprises a process wherein a molten carbonate, which contains metal ions that serve as an oxidant with respect to an alkali metal carbonate ...
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WO/2022/115512A1 |
A method of processing red mud comprising: heating red mud to a predetermined temperature; grinding the red mud to a predetermined particle size; and physically extracting iron components from the red mud; physically extracting aluminum ...
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WO/2022/106660A1 |
A process for extracting fluoride from a solution of high pH comprising more than 0.1 mol of alkaline hydroxide and/or alcoholate per liter dissolved in a polar solvent is described. The polar solvent is chosen from water, lower alcohols...
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WO/2022/101930A1 |
A process (100) for treating spent lithium ion batteries (102) to recover metals is disclosed. The process includes discharging (104) the spent lithium ion batteries (106). The discharged lithium ion batteries are shredded 106) and roast...
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WO/2022/095263A1 |
A red mud comprehensive utilization method and device. The red mud comprehensive utilization device comprises a red mud pretreatment device (2), a red mud drying bin (3), a feeding device (4), an atmospheric micro-plasma discharge device...
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WO/2022/088396A1 |
A method for extracting iron from high-phosphorus oolitic iron ore by suspension roasting and removing phosphorus by acid leaching. A fluidized material is treated by high-temperature oxidizing roasting and a large number of cracks thus ...
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WO/2022/088641A1 |
The present invention relates to the technical field of resource recovery, and discloses a non-full extraction battery recovery method, comprising the following steps: introducing pre-treatment gas into a device containing waste battery ...
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WO/2022/087063A1 |
A process which improves the environmental performance of primary non-ferrous metal smelters by reducing carbon emissions, providing enhanced energy utilization, improving consumption efficiencies, and improving worker safety. The smelte...
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WO/2022/078667A1 |
The invention relates to a method for recovering noble metal from a heterogeneous catalytic converter comprising a solid supporting material and palladium, platinum or rhodium, present at least partially in elemental form, said method co...
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WO/2022/082042A1 |
In described embodiments, a process for recovery of a metal from a grounded ore comprises leaching the grounded ore with a leaching reagent, an oxidant and an oxygen vector. In particular, a process for recovery of gold from a grounded g...
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WO/2022/077062A1 |
A process for thermally treating a mineral feedstock, the process comprising partially combusting fuel to generate hot syngas; preheating the mineral feedstock utilising the hot syngas generated by partially combusting fuel; thermally tr...
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WO/2022/071274A1 |
This method for eluting a valuable metal from a glass-containing electrode containing glass and a valuable metal insoluble in a hydrofluoric acid involves: immersing an object including the glass-containing electrode in a hydrofluoric ac...
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WO/2022/071369A1 |
Provided are: a method for manufacturing a sintered ore with which it is possible to promote nucleation in a blended sintering raw material in which a smaller amount of easily aggregating fine ore is blended, and to effectively obtain a ...
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WO/2022/071297A1 |
Provided is a method for eluting valuable metals from a glass-containing electrode that contains valuable metals and glass, wherein the method includes: a step for pulverizing an object that contains a glass-containing electrode; and a s...
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WO/2022/063955A1 |
The invention relates to a process of heap leaching metal from a metal bearing ore comprising the steps: a) agglomerating the ore with an agglomeration agent to form an agglomerated ore, b) forming the agglomerated ore into a heap; and c...
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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/2022/056622A1 |
The present disclosure relates to the use of a wetting agent such as a non-ionic wetting agent and a reagent comprising a thiocarbonyl functional group, for example, in a method/process or use for extracting a base metal such as copper f...
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WO/2022/057882A1 |
Disclosed is a resource recycling method for a copper smelting residue, comprising the following steps: (1) mixing a copper blowing residue, a vulcanizing agent 1, a residue type modifier 1 and a reducing agent 1, smelting same to obtain...
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WO/2022/056560A1 |
A binder for use in leaching a heap of a low-permeability ore containing at least one of the following: copper ore, copper / cobalt ore, nickel laterite ore and uranium ore, wherein the binder comprises an acid-proof cement formed by mod...
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WO/2022/049781A1 |
The purpose of the present invention is to provide iron ore pellets having properties for achieving further reduction in the amount of coke to be used during blast furnace operation. Iron ore pellets according to an embodiment of the pre...
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WO/2022/049559A1 |
A system and method of briquette formation of hygroscopic metallic salts is disclosed. The system (100) comprising a feed hopper unit (101), a vibrating sieve unit (102), a briquetting unit (104), a belt conveyer (105), a bucket elevator...
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WO/2022/044931A1 |
Provided is a technique for obtaining metal powder having little variation in particle size by stabilizing the supply amount of molten metal when manufacturing the metal powder by means of atomization. The present invention is an atomi...
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WO/2022/045724A1 |
The present invention relates to a method for preparing a substitute for limestone for iron ore sintering by using waste shells such as oyster shells and, more specifically, to a method for preparing a substitute for limestone, which can...
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WO/2022/037499A1 |
A control system and a control method for a pelletizing machine (11). Said system comprises a pelletizing machine (11), a water supply device (21), a feeding belt scale (31), a rotational speed controller (12), an inclination angle contr...
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WO/2022/037404A1 |
Disclosed is a method for producing a battery-grade nickel sulfate by means of laterite nickel ore. The method comprises the following steps: a laterite nickel ore is sorted to obtain a lump ore and a mud and sand ore; the lump ore is cr...
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WO/2022/032345A1 |
The present disclosure relates generally to processes for recovering values from batteries. More specifically, the present disclosure relates to processes for recovering an electrode material from lithium-ion batteries, such as an electr...
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WO/2022/032327A1 |
A method for heating a powder material to induce a crystalline phase change in the grains of the particle comprising the steps of: a. preheating the powder from the high temperature streams generated from cooling the phase changed produc...
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WO/2022/031191A1 |
A method of processing copper-containing materials with the recovery of a precious metal concentrate can be used in non-ferrous metallurgy in the comprehensive processing of copper materials, copper-nickel materials or other copper-conta...
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WO/2022/028900A1 |
The invention relates to a method for extracting gold and/or silver and/or at least one platinum metal from at least one starting material. The starting material is treated in a solution which contains at least one nitrile using at least...
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WO/2022/028901A1 |
The invention relates to a method for obtaining gold. Said method comprises the provision (41) of at least one starting material (20), which contains gold and carbon and/or sulfide ions, and the treatment of comminuted starting material ...
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WO/2022/028898A1 |
The invention relates to a method for extracting gold and/or silver and/or at least one platinum metal. At least one starting material, which contains gold and/or silver and/or at least one platinum metal, is introduced into an aqueous s...
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WO/2022/022282A1 |
A stone coal vanadium ore oxidizing, crystal breaking, roasting, and vanadium extraction comprehensive utilization system. A crusher, a high pressure roller mill, a first feeding belt, a feeding bin, a second feeding belt, and a spiral f...
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WO/2022/026833A1 |
A method of recovering a metal, such as copper or nickel or zinc or cobalt, from a metal sulfide-containing material in a mined material that is "non-economic" to recover metals from using conventional recovery options before the inventi...
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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/2021/231597A9 |
Systems and methods using solar evaporation to preconcentrate lithium containing brines to at or near lithium saturation, followed by a separation processes to separate lithium from impurities. A separated impurity stream is recycled to ...
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WO/2022/012968A1 |
The present invention relates to a method for obtaining metals of the 8th to 14th group, in particular raw copper, comprising the steps of: i) providing and melting down a mixed feed comprising electronic waste in a smelting reactor, so ...
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WO/2022/013824A1 |
THIS invention relates a method for processing a sulphide ore containing metal values comprising the integration of a sand heap leach (10) and a flotation process (12), providing a method which is suited to processing ores with significa...
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WO/2022/007400A1 |
A flue gas treatment process and treatment system, using an SNCR-SCR coupled denitration system control method, wherein an SNCR catalyst is sprayed in a preheating section II (PH) and/or in a first pipeline (L1) connecting an air inlet o...
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WO/2022/006664A1 |
The present invention relates to metallurgical processes, and more particularly to a process for producing titaniferous feedstock and fines, a process for agglomerating titaniferous fines, and a process for producing titaniferous metals ...
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WO/2022/007980A1 |
A combination waste light emitting diode packaging material pyrolysis treatment and a method of recovery of rare earth elements from phosphor powder. On the basis of the pyrolysis characteristics of organic macromolecular compounds, pyro...
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WO/2022/001109A1 |
Disclosed are an air channeling prevention system for a preheating (PH) section of a chain grate machine and an air flow control method therefor. The system comprises a chain grate machine and a rotary kiln. The chain grate machine is se...
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WO/2022/003694A1 |
This invention is directed to methods for recovery of at least one rare earth metal from ferromagnetic alloy, including a chlorination of the rare earth metal following by separation of the chlorinated product.
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WO/2022/003747A1 |
Described is a process for the simultaneous treatment of residues of the non-ferrous metallurgical industry, in particular Waelz slag and residues deriving from thermal fuming processes of jarosite, goethite or KSS slag, comprising the f...
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WO/2021/261040A1 |
Provided is a cooler for sintered ore capable of effectively cooling the sintered ore through the entire layer without using water for cooling. In a cooler (1) for sintered ore according to the present invention, a sintered ore (5) sin...
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WO/2021/258128A1 |
The invention provides a method of recovering a lithium electrolyte salt from a used electrolyte, the method comprising: contacting a used electrolyte comprising a lithium electrolyte salt and electrolyte solvent with a polar aprotic sol...
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WO/2021/254022A1 |
Disclosed is a pretreatment apparatus for neodymium-iron-boron waste before calcination, which apparatus mainly solves the problem of the calcination efficiency being affected due to insufficient calcination of existing neodymium-iron-bo...
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WO/2021/254021A1 |
Disclosed is a neodymium iron boron ultrafine powder pretreatment device, for use in mainly solving the problems in the prior art of long period from the collection to the combustion treatment of the neodymium iron boron fine powder, and...
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WO/2021/244616A1 |
The present invention relates to the fields of ironmaking and comprehensive resource utilization. Disclosed is a two-step method for efficiently separating iron and phosphorus in a high-phosphorus iron-bearing resource on the basis of ga...
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