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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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WO/2021/239096A1 |
Disclosed by the present invention is a preparation method for a carbon-iron composite furnace burden, comprising step 1: performing drying and water reduction on an iron ore powder; step 2: performing sieving on the iron ore powder, and...
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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/2021/237830A1 |
A suspension roasting system and method for industrialized processing of ferromanganese ore, the system comprising a feeding bin, a venturi dryer, a first cyclone preheater, a second cyclone preheater, a pre-oxidation suspension roaster,...
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WO/2021/235008A1 |
[Problem] The present invention provides a method and an apparatus for melting aluminum cutting chips, in which the cutting chips that are dusts produced by cutting metal aluminum or an aluminum alloy are melted to produce an aluminum me...
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WO/2021/234759A1 |
The present invention produces an agglomerated material with use of a starch as a binder in cases where the pH of an iron-containing material is 10 or higher. A method for producing an agglomerated material, said method comprising a step...
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WO/2021/225004A1 |
[Problem] The purpose of the present invention is to provide a method for producing granulation water, whereby the polymer binder blending ratio in granulation water for obtaining the necessary strength in raw pellets can easily be deter...
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WO/2021/219988A1 |
A method of processing swarf comprising a first metal is described. The method comprises: providing a canister defining a volume to receive the swarf therein and comprising a gas inlet/outlet; receiving the swarf in the volume, thereby f...
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WO/2021/217273A1 |
Methods for recovering gold from a refractory gold ore and concentrate are described. The method can include leaching the refractory gold ore and concentrate with the alkaline reagent under ambient or near-ambient conditions and a subseq...
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WO/2021/219790A1 |
The present invention relates to the field of sintering in ferrous metallurgy. The aim of the present invention is to make optimal operation of a sintering plant possible by allowing maximum air passage through the sintering material mix...
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WO/2021/214167A1 |
The invention relates to a method for supplying raw material to a sinter plant (20). In order to facilitate a sinter process with reduced consumption of fossil fuels, the invention provides that a mixed material (7, 8) is used to supply ...
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WO/2021/217148A1 |
This disclosure provides microbes for the preferential separation of Scandium (Sc) from rare earth element (REE) containing materials, as well as methods of use thereof.
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WO/2021/210533A1 |
To improve the productivity of a sintered ore by efficiently dispersing water in a blended sintering raw material in a granulator, and thereby improve the air permeability of a sintering raw material-charged layer on a sintering machine ...
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WO/2021/207791A1 |
A process for treating minerals containing metal sulphide and a precious metal, the process comprising fine grinding the minerals and subjecting the minerals to a first leaching step conducted under oxidising conditions at a pH of from 5...
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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/2021/205836A1 |
Provided is a method for modifying a mineral raw material by adding a modifier to the mineral raw material, the method comprising a step for continuously measuring the water content of the mineral raw material being transported, a step f...
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WO/2021/205835A1 |
A method for preventing adhesion and clogging of a raw mineral material in a transportation processing facility by transporting or processing, in the transportation processing facility, a raw material mixture comprising the raw mineral m...
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WO/2021/199281A1 |
This cooling device for sintered ore comprises: a deposition tank having an internal space for receiving sintered ore, and a lower opening through which the sintered ore can be discharged; a rotary table which is disposed below the depos...
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WO/2021/201244A1 |
Provided are a long hardened material production method, a sintered ore crushing tooth 10 which is used in a sintered ore crushing machine for crushing sintered ore produced by a sintering machine and in which an abrasion-resistant layer...
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WO/2021/197258A1 |
Disclosed are an oxidized pellet binding agent made from a low-rank coal, a preparation method for same, and applications thereof. The low-rank coal is crushed and then oxidized and fermented, then, solid caustic soda and water are added...
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WO/2021/195430A1 |
A method for precious metal extraction comprising contacting a precious metal-containing ore with an improved cyanide extraction agent under conditions suitable for the formation of a coated precious metal-containing ore where the extrac...
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WO/2021/190107A1 |
An air permeability detection robot system and a sintering process control method and system. The robot system is controlled to detect the moisture content, granularity composition and bulk density of a first detection sample and a secon...
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WO/2021/191211A1 |
The present invention relates to a process for the recovery of transition metals from battery materials comprising (0.1) providing a battery material which comprises oxidic nickel and/or cobalt compounds, (1.1) heating the battery materi...
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WO/2021/190026A1 |
Disclosed is a system for capturing a semi-volatile heavy metal in zinc-containing solid waste by means of high-temperature separation in cooperation with ammonium complexing. The system comprises: a pre-processing system, which comprise...
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WO/2021/186445A1 |
This invention is directed to a method for recovering valuable metals from spent lithium-ion- batteries using CO2/CO/H2O gas mixture, or CH4/air, or solid carbon or combination thereof.
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WO/2021/186374A1 |
A method of leaching copper from a heap of ore which includes an ore agglomeration step, an ore stacking step wherein agglomerated ore is stacked to form a heap, a curing step, a leach step, and a rinse step, wherein, during the ore aggl...
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WO/2021/182451A1 |
The present invention provides a method for recovering a valuable substance, by said method a valuable substance being recovered from a lithium ion secondary battery. This method for recovering a valuable substance comprises: a heat trea...
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WO/2021/181435A1 |
Control apparatus (10) and corresponding method for controlling a high power (P) electric motor (12), preferably of the order of megawatts (MW), preferably of or associated with a shredding plant (11) which is preferably usable for shred...
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WO/2021/181387A1 |
A system for water-free deoiling mill scale comprises: (a) a feeding hopper loadable with mill scale; (b) a mixer configured for mixing the mill scale; (c) a lamellar settler configured for separating a mixture of the mill scale and wate...
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WO/2021/182452A1 |
The present invention provides a method for recovering lithium, and the like, said method for recovering lithium enabling recovery of lithium from a lithium ion secondary battery. This method for recovering lithium comprises: a heat trea...
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WO/2021/174348A1 |
A method of processing a black mass material feed material can include a)receiving a black mass material feed material; b) acid leaching the black mass material at a pH that is less than 4, thereby producing a pregnant leach solution (PL...
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WO/2021/177005A1 |
Provided is a method for recovering valuable metals contained in waste batteries, wherein valuable metals can be efficiently recovered while suppressing a reduction in recovery rate. The method according to the present invention for re...
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WO/2021/170181A1 |
The present invention relates to a sustainable method for recycling smelting works dusts and sludges to produce iron-containing, heavy-metal-depleted reclaimed materials and recovering lead and zinc by: providing a first starting materia...
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WO/2021/172254A1 |
Provided is a method for producing high-strength sintered ore while maintaining a high production rate by appropriately enriching oxygen at a position on a dead pit side with respect to the top position without using gaseous fuel in the ...
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WO/2021/163803A1 |
The present invention relates to the recovery of metals from raw ores or concentrates, and more specifically, to the recovery of rare earth elements, or oxides or salts thereof, from ores containing bastnaesite carbonatite, and/or monazi...
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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/2021/161316A1 |
The invention relates to hydrometallurgical method for recovering lithium and one or more transition metals from spent lithium ion batteries, comprising: treating an electrode material of the batteries in an alkaline solution to dissolve...
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WO/2021/153710A1 |
Provided is a platinum-group metal recovery method for efficiently recovering platinum-group metals. The platinum-group metal recovery method comprises an immobilization step for bringing a raw material melt containing platinum-group met...
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WO/2021/148267A1 |
The invention invention relates to a device for the thermal treatment of mineral raw materials, in particular lithium ores, said device comprising a comminution device (10), a granulation device (30) and a heat treatment device, characte...
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