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JP7284733B2 |
Provided is a method for efficiently promoting a leaching reaction of copper. Equipment for leaching copper includes a reactor for leaching reaction and a controller for oxidation-reduction potential. The reactor is configured to be prov...
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JP7276361B2 |
A method capable of inexpensively recovering valuable metals is provided. The method for recovering a valuable metal includes: a preparation step of preparing a charge containing at least lithium (Li) and a valuable metal; an oxidation a...
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JP7273819B2 |
A disclosed process produces at least one concentrated copper product together with at least one crude solder product, starting from a black copper composition with at least 50% of copper together with at least 1.0% wt of tin and at leas...
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JP7273818B2 |
A process for producing a solder product and a copper product from a first lead-tin based metal composition having at least 40% wt of copper and at least 5.0% wt together of tin and lead. The process includes the steps ofpartially oxidiz...
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JP7273254B2 |
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 inv...
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JP7273253B2 |
A method of processing a pyrite-containing slurry is disclosed. The method includes removing pyrite from the pyrite-containing slurry and forming (i) an inert stream and (ii) a pyrite-containing material, with the pyrite-containing slurr...
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JP2023517723A |
The present invention2/CO/H2O gas mixture or CH4/ A method for recovering valuable metals from used lithium-ion secondary batteries using air, solid carbon, or a combination thereof. [Selection figure] None
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JP2023058552A |
To provide a smelting furnace combining advantages of both a flash furnace and bath smelting, and capable of complementing defects of both and an operation method thereof.A smelting furnace comprises a first reaction zone 10 in which a f...
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JP2023055572A |
To provide a method for efficiently extracting Fe from an aqueous solution comprising free acid such as H2SO4 and having a pH value of 0 or less.The present invention provides a method for extracting Fe ions from an aqueous solution comp...
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JP7257594B1 |
The smelting furnace includes a first reaction zone in which a first charge containing a powdery concentrate is charged, the concentrate is oxidized by an oxygen-containing gas and dropped downward in the form of droplets; It has a holdi...
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JP7249317B2 |
To provide a metal separation method, and a metal separation device allowing metal separation to be efficiently carried out as well as allowing environmental load and cost to be reduced.A metal separation method in accordance with the pr...
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JP7245423B1 |
A method for efficiently obtaining a solution containing nickel and/or cobalt from an alloy containing nickel and/or cobalt and copper such as a waste lithium ion battery is provided. Kind Code: A1 The present invention is a method of tr...
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JP7242855B2 |
A method for preparing metal powder by water atomization is disclosed. The method comprises the steps of smelting, atomization, separation and drying, and the metal powder is freeze-dried in the drying step. Experiments show that freeze-...
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JP2023031637A |
To provide a valuable metal recovery method enabling valuable metals to be recovered efficiently and with high yield.The present invention is a method for recovering valuable metals from raw materials including the valuable metals, the m...
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JP7236524B2 |
To provide means that recovers copper from a lithium ion secondary battery containing aluminum, carbon, and a copper foil as constituent materials with a small number of steps, high quality, low aluminum quality, low fluorine quality, an...
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JP2023031481A |
To provide a supply method of a copper concentrate to a copper concentrate supply system for supplying the copper concentrate to a self-fluxing furnace capable of suitably controlling a raw material supplied to the self-fluxing furnace a...
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JP7226403B2 |
The present invention provides a method which is capable of more strictly controlling the oxygen partial pressure required during the melting of a starting material, thereby being capable of recovering a valuable metal more efficiently.A...
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JP7226404B2 |
The present invention provides a method which is capable of more strictly controlling the oxygen partial pressure required during the melting of a starting material, thereby being capable of recovering a valuable metal more efficiently.A...
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JP7220841B2 |
Provided is a method by which it is possible to safely and efficiently collect valuable metals from raw material including waste lithium-ion batteries or the like. The present invention is a method which is for producing valuable metal...
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JP2023015047A |
To provide a method for recycling lithium batteries and to provide recycling equipment therefor.This invention provides a method for recycling used lithium batteries including the steps of: (a) digesting comminuted material 10, which con...
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JP2023503237A |
A process for the recovery of copper from secondary raw materials comprising, in a feed batch, the step of smelting feedstocks (1, 2) containing copper oxide and elemental iron in a furnace to form a copper concentrate intermediate (3). ...
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JP7210827B2 |
Provided is a method for recovering and removing high-value Li and Cu or the like that reduces the value of a recovered product as the recovered product before recovering Ni/Co such as nickel and cobalt. The invention provides a pretreat...
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JP7206467B2 |
A method of maximising the amount of water available for rinsing in a high-chloride heap leach operation which includes the step of using process make-up water in the range of 0.05 to 0.35 m3/ton of ore to rinse leach residue ore, in the...
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JP7206466B2 |
A method of controlling the acid balance in a high chloride heap leach process tomaximise the copper dissolution in a cure step and to increase overall copper recovery which include an agglomeration stage in which acid and process soluti...
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JP7202363B2 |
The present invention relates to a species of genus Pseudomonas identified as Pseudomonas BR11571, termed Candidatus Pseudomonas metallosolvens, having Accession Deposit Number DSM 32538 and its use in extracting precious metals from sol...
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JP7194975B2 |
To provide: a simple and economical recovery method for exuding, refining, and recovering copper from chalcopyrite; and a solvent system used for the recovery method.Provided is a recovery method of copper from chalcopyrite, comprising: ...
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JP7188130B2 |
To provide a lifting device that can adjust the height of a concentrate chute without the need of labor or work.A lifting device A includes an arm 30 fixed to a concentrate chute 25, a jack 40, and a drive unit 50 for driving the jack 40...
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JP7183506B2 |
To provide a manufacturing method for stably and industrially processing a copper concentrate composed mainly of a large amount of chalcopyrite, in which it is difficult to control temperature and appropriate oxygen partial pressure.A co...
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JP7179665B2 |
This method for determining roasting conditions of copper concentrates is characterized by comprising: a step for roasting arsenic-containing copper concentrates in a furnace while supplying oxygen-containing gas to the furnace, to cause...
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JP7174653B2 |
To recover copper from a copper-containing waste material safely and efficiently.A copper recovery apparatus 1 from copper-containing waste materials includes a heat resistant vessel 2 equipped with an inner vessel 2A that houses copper-...
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JP7172785B2 |
To provide a throat chiller for a copper smelting converter, which can extend a life of an apex part of a lower part of the throat.A throat chiller 30 of a horizontal cylindrical copper smelting converter includes: a casing 31 in an appr...
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JP7167573B2 |
To provide a supply amount controlling method capable of supplying mineral concentrate stably to a mineral concentrate burner of a self fluxing by a transport device.There is provided a method for controlling amount of mineral concentrat...
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JP2022169284A |
To provide a preparation method of a copper refining raw material, capable of suppressing instability of the operation of a copper refining furnace caused by drying failure of a miscellaneous raw material in a wet state.A preparation met...
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JP2022166728A |
To provide a method for treating electric/electronic component scraps which can efficiently recover plastic scraps with a variable material from electric/electronic component scraps.A method for treating electric/electronic component scr...
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JP7161272B2 |
The invention relates to a method for recycling used lithium batteries containing the steps: (a) digestion of comminuted material (10), which contains comminuted components of electrodes of lithium batteries, using concentrated sulphuric...
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JP7155379B2 |
To check quality reduction of arsenic in copper pure ore.A determination method of roast condition of copper pure ore includes: a step causing a reaction to make arsenic volatilize from the copper pure ore by roasting the copper pure ore...
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JP7153599B2 |
To provide a processing method of ore which is capable of effectively removing calcium in ore.A method for processing ore containing copper and calcium includes: a leaching process of leaching copper and calcium in the ore into acid solu...
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JP7146177B2 |
To provide a processing method and a processing apparatus, in which a copper-containing mounting component and a tin-containing solder are easily separated and recovered from a waste electronic substrate.A waste electronic substrate proc...
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JP2022136747A |
To provide a technology capable of reducing a cost by efficiently reusing copper in a method of removing a halogen using a copper ion.A removal method of a halogen includes a halogen removal step for adding a copper ion solution containi...
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JP7137336B2 |
To provide a flash furnace capable of suppressing effectively a slug loss without enlarging greatly the size of a settler.In a flash furnace for separating, into matte and slug, a high temperature melt generated by reacting a mineral con...
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JP7134658B2 |
To provide a method for removing Sb from an Sb-containing acidic solution and for recovering valuable metals while suppressing the cost.A method for removing Sb includes adding at least one of Fe, Snand Alto an Sb-containing acidic solut...
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JP2022117640A |
To provide a method for recovering valuable metals by using an induction heating furnace, in which a trouble caused by foaming of carbon dioxide (CO2) is reduced, enabling efficient recovery of valuable metals.A method for recovering val...
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JP2022112244A |
To provide a position measurement apparatus capable of measuring the position of an auxiliary burner.A position measurement apparatus AA for an auxiliary burner is arranged at the inside of a burner cone having an inspection port. The po...
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JP7107927B2 |
The present invention concerns the recovery of cobalt from cobalt-bearing materials, in particular from cobalt-bearing lithium-ion secondary batteries, from the spent batteries, or from their scrap. A process is divulged for the recovery...
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JP7106776B1 |
To propose a method for effectively utilizing a cover glass derived from a waste solar power generation panel. A method for treating a cover glass derived from a waste solar power generation panel, wherein SiO is used as a solvent.2In a ...
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JP7098479B2 |
The present invention is provided to make it possible to: remove, with higher accuracy, impurities from a molten metal of a non-ferrous metal or another metal containing the impurities; obtain the molten metal having higher purity; and o...
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JP7092889B2 |
Provided is an apparatus for analyzing composition of electronic and electrical device part scraps which can determine a composition of part scraps in the electronic and electrical device part scraps in a short time, a device for process...
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JP2022093213A |
To provide a method for determining an arsenic removal ratio and a method for manufacturing a roasted ore which determine an arsenic removal ratio without measuring arsenic concentration of a roasted ore, and can discern the end of roast...
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JP2022528969A |
A method for removing aluminum and iron in the recycling of rechargeable batteries, preparing leachate from black lumps, phosphoric acid (H).3PO4) Is added to the leachate and the pH is adjusted to iron phosphate (FePO).4) And Aluminum P...
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JP2022528557A |
A high temperature hydrometallurgy method for economically and environmentally recovering the target metal from iron slag or steel slag is described. For example, the method involves acid firing an iron or steel slag raw material with an...
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