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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/2021/181997A1 |
The purpose of the present invention is to collect cobalt with high purity from a solution of interest in which cobalt and an impurity metal are dissolved. A cobalt collection method comprising: adding an alkali to a solution of interest...
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WO/2021/177200A1 |
The present invention provides a method for concentrating a valuable metal contained in a lithium ion secondary battery, wherein a lithium ion secondary battery or a positive electrode material of the lithium ion secondary battery contai...
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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/2021/166958A1 |
Provided are a slurry processing apparatus and a slurry processing method having a simple apparatus configuration and capable of promoting a solid-liquid reaction of a slurry. The slurry processing apparatus is characterized by compris...
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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/2021/160923A1 |
The present invention relates to an arrangement and method for extracting metals from nickel-containing laterites, comprising the acid treatment of a ground laterite material, the separate heat treatment of an obtained acid-containing la...
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WO/2021/147342A1 |
An all-component rapid microwave digestion and noble metal ion liquid extraction method for a waste circuit board, belonging to the field of hydrometallurgy. As microwave can penetrate a leaching medium and directly heat a circuit board,...
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WO/2021/147573A1 |
Disclosed is a method for extracting metal nickel from a laterite nickel ore leaching liquor. The whole technological process of the method comprises the following steps: enabling laterite nickel ore leaching liquor to enter a resin towe...
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WO/2021/134516A1 |
A comprehensive treatment method for applying sodium-containing ammonium waste liquid to laterite nickel ore, comprising the steps of ore proportioning pre-soaking, oxygen pressure leaching, partial neutralization, impurity removal by pr...
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WO/2021/106884A1 |
This concentrate burner feeds a raw material into a flash furnace, and also feeds a reaction gas, which contributes to the reaction of the raw material, into at least the flash furnace. The concentrate burner comprises: a first cylindric...
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WO/2021/104620A1 |
The present disclosure concerns a 2-step high temperature process for the recovering Ni, Co, and Mn from various sources. It comprising the steps: preparing a metallurgical charge comprising said materials, and Si, Al, Ca and Mg as slag ...
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WO/2021/084155A1 |
A method for treating process water of a flotation arrangement (1) is disclosed, the flotation arrangement comprising flotation arrangement (1) comprising a mineral flotation line (10) and a process water treatment arrangement (20) for t...
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WO/2021/075467A1 |
The present invention is a method for producing, from a cobalt sulfate solution including nickel ions, a high-purity cobalt sulfate solution having a higher purity level of cobalt compared to the aforementioned cobalt sulfate solution. T...
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WO/2021/064055A1 |
The present invention relates to a method for smelting metal- and metal oxide containing wastes and side streams, such as slags, dust, scales and sludges genereated in stainless steel and ferrochrome manufacturing processes. The invented...
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WO/2021/054240A1 |
The present invention provides a pretreatment method for a nickel oxide ore slurry, said method being capable of controlling the sedimentation rate of an ore slurry to a predetermined value for the purpose of suppressing increase in the ...
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WO/2021/047352A1 |
Manganese-lithium separation and pre-extraction liquid preparation processes in comprehensive recovery of ternary battery waste, and a method for comprehensive recovery of cobalt-nickel-manganese-lithium elements from ternary battery was...
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WO/2021/040413A1 |
A method for manufacturing a pellet according to an embodiment of the present invention comprises the steps of: recovering and preparing dust generated during a ferronickel manufacturing process; manufacturing a binder using first slag w...
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WO/2021/025095A1 |
Provided are a slurry transfer facility and a slurry feeding method with which even when a slurry level in a tank varies, a slurry feeding pipe can be prevented from being blocked by solids and slurry feeding can be stably performed. In ...
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WO/2021/024936A1 |
Provided is technology that is capable of suppressing leakage of gas from detoxification equipment, which detoxifies hydrogen sulfide gas, to the outside of the equipment with greater reliability. The present invention is equipment (de...
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WO/2021/024935A1 |
Provided is a detoxification facility for detoxifying hydrogen sulfide gas, wherein gas leakage from the facility to the outside is inhibited with greater accuracy. The present invention is a facility (detoxification facility) 1 for de...
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WO/2021/018788A1 |
A process for the recovery of one or more transition metals and lithium from waste lithium ion batteries or parts thereof is disclosed. The process comprising the steps of (a) providing a particulate material containing a transition meta...
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WO/2021/018796A1 |
A process for the recovery of one or more transition metals and lithium from waste lithium ion batteries or parts thereof is disclosed. The process comprising the steps of (a) providing a particulate material containing a transition meta...
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WO/2021/006772A1 |
The present method for processing copper-nickel sulfide materials can be used in the non-ferrous metal industry when processing copper-nickel sulfide materials. Processing copper-nickel sulfide materials comprises oxidizing roasting of t...
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WO/2020/253733A1 |
A method for selective oxygen pressure leaching of precious metal enrichment using nickeliferous material with high iron and copper contents. The method comprises: purification and impurity removal, atmospheric pressure leaching, oxygen ...
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WO/2020/224053A1 |
A method for comprehensive recycling polymetallic products from waste integrated circuit boards by pyrolysis, comprising the steps of: (1) smelting and blending: adding polymetal obtained by pyrolysis of waste integrated circuit boards i...
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WO/2020/225904A1 |
A method for treating a nickel-including raw material, said method being characterized by having an oxidizing roasting step in which a nickel-including raw material that includes a magnesium component is oxidizing roasted to make the mag...
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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/2020/196046A1 |
Provided is a method for manufacturing, from a hydroxide, a high purity solution that comprises both cobalt and nickel for which the manufacturing costs are effectively reduced. The method for manufacturing a cobalt and nickel-containi...
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WO/2020/181607A1 |
A method for extracting ions from an ore solution, comprising the following steps: (1) after a P204 organic phase is subject to soda soap treatment, adding nickel sulfate therein for a nickel soap reaction, till sodium ions in the organi...
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WO/2020/183728A1 |
Provided is a production method using industrially inexpensive hydrogen gas and microscopic nickel powder to generate coarse particles of nickel powder containing a small amount of impurities from an ammine nickel sulfate complex solutio...
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WO/2020/181745A1 |
Provided is a method for efficiently separating cobalt/nickel magnesium manganese from crude cobalt/nickel salt raw material. Using crude cobalt/nickel salt as a raw material, a catalyst is added after slurrying; a high-temperature and h...
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WO/2020/181606A1 |
A method for leaching laterite nickel ore. The leaching method comprises the following steps: 1) concentrating an original laterite nickel ore pulp having a particle size of less than 0.074mm into a laterite nickel ore pulp having an und...
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WO/2020/171009A1 |
Provided is a lithium recovery method whereby highly pure lithium can be recovered from a fluid to be processed that has lithium and an inorganic salt dissolved therein. The lithium recovery method has: a concentration step S8 in which t...
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WO/2020/166735A1 |
Introduced is an economical method, using a combination of wet and dry processes, for smelting nickel from nickel concentrate, comprising the steps of: leaching, with sulfuric acid, sulfide concentrate containing nickel, so as to separat...
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WO/2020/157898A1 |
A medium to be bombarded with a nickel-containing raw material is introduced into a roasting furnace for roasting the nickel-containing raw material, and then the nickel-containing raw material is roasted while grinding the nickel-contai...
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WO/2020/149122A1 |
Provided is a wet smelting method whereby the amount of nickel coprecipitated with impurities is reduced and nickel yield can be increased. The present invention provides a method for manufacturing a nickel/cobalt mixed sulfide, the me...
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WO/2020/137995A1 |
A method for recovering at least cobalt, among valuable metals of cobalt and nickel, from an acidic solution that is produced by subjecting a waste material containing a positive electrode material of a lithium ion secondary battery to a...
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WO/2020/137997A1 |
Provided is a method for recovering at least cobalt from among the valuable metals cobalt and nickel from an acid solution containing cobalt ions, nickel ions and impurities, obtained by subjecting waste containing positive electrode mat...
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WO/2020/125000A1 |
Disclosed is a method for separating cobalt from a cobalt and manganese carbonate mixture. The method comprises the following steps: S1, dissolving a cobalt and manganese carbonate mixture using an inorganic acid, in order to obtain an a...
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WO/2020/101089A1 |
The present invention relates to a waste battery recycling method for recovery of lithium carbonate, nickel, and cobalt from waste batteries.
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WO/2020/093365A1 |
Disclosed is a wet metallurgy method for treating low-quality lateritic nickel ore using atmospheric pressure and elevated pressure combined acid leaching, comprising the following steps: formulating a transition ore pulp, mixing the hea...
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WO/2020/093366A1 |
Provided is a rotary reaction device for iron removal from low-grade nickel laterite ore by means of sulfuric acid pressure leaching, comprising: a reactor barrel, a thermal expansion device, a rotary joint and a drive mechanism; one end...
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WO/2020/090690A1 |
This method is for treating a lithium ion secondary battery positive electrode active substance waste product that contains cobalt, nickel, manganese and lithium, and involves: a carbon mixing step in which a powder-form positive electro...
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WO/2020/080035A1 |
Provided is a method for removing manganese in which manganese-oxidizing bacteria are used, wherein the method involves stably and efficiently removing manganese from drainage water or another such aqueous solution that contains manganes...
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WO/2020/078779A1 |
The present invention relates to a process for the recovery of transition metals from batteries comprising treating a transition metal material with a leaching agent to yield a leach which contains dissolved copper impurities, and deposi...
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WO/2020/075288A1 |
A method for processing nickel oxide ore, the method having an oxidation roasting step for converting FeOOH included in nickel oxide ore to Fe2O3 or Fe3O4, and a sulfuric acid roasting step for heating and roasting the roasting product o...
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WO/2020/073410A1 |
A method for resin extraction of nickel and cobalt from low-grade laterite nickel ore leaching liquid, comprising the following steps: (1) subjecting low-grade laterite nickel ore leaching liquid to copper removal resin column adsorption...
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WO/2020/073411A1 |
A method for extracting nickel, cobalt, and iron from a low-grade laterite nickel ore: respectively treating a transitional layer laterite nickel ore and a limonite layer laterite nickel ore, the iron grade of an iron ore concentrate pro...
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WO/2020/061639A1 |
A method for recovering NiSO4.6H2O crystals from a nickel rich organic phase is provided. The method includes contacting a nickel rich organic phase with an aqueous strip solution of sufficient H2SO4 concentration to extract nickel from ...
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