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JP2024507068A |
[assignment] Improved compositions and methods for lead oxide production, particularly lead oxide production equipment and simplified and more cost effective raw materials for lead oxide production. [Solution] Lead oxide particles are pr...
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JP2024013693A |
[Problem] CaMnO3A method for recovering precious metals from a material to be treated using a perovskite oxide as a recovery agent is provided, which is applicable to industrial implementation. The present invention relates to a method f...
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JP7424598B2 |
To provide a method for preventing the elution of heavy metals in seabed ore, in the atmosphere.The method for preventing the elution of heavy metals in seabed ore, in the atmosphere, according to the present invention includes a step of...
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JP7394610B2 |
To provide a gas channeling prevention method in blast furnace operation, capable of improving a production amount of lead in a blast furnace and a productivity of the blast furnace.The gas channeling prevention method includes a chargin...
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JP2023542441A |
A method for producing a silver concentrate from a metallurgical residue, in particular a residue containing copper, iron, lead, silicon, silver, and antimony, and optionally may contain elements such as arsenic and bismuth, comprises: (...
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JP2023542442A |
A method for leaching copper and lead from metallurgical residues of smelted powders that have been subjected to a copper leaching process and contain copper, iron, lead, silicon, and optionally arsenic, antimony, and bismuth. (i) copper...
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JP2023542440A |
The method for producing germanium concentrates from metallurgical residues includes (i) copper leaching the metallurgical residues with a first acidic solution to enrich the metallurgical residues with copper and iron and optionally wit...
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JP2023540603A |
A method for producing valuable products from industrial dust is described. The method includes: i) providing an industrial dust having a first concentration of at least one valuable substance and a volatile component to a heating device...
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JP2023123384A |
To provide a method of selectively separating a target element from a mixture constituted of at least two kinds of metal powder and/or metal compound powder, such as converter dust or the like generated in copper refining, for example.Th...
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JP7324912B2 |
The invention related to a method for extracting tin and/or lead contained in an electrically conductive mixture derived from waste, using a solution comprising methane sulphonic acid as an electrolytic solution.
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JP2023106013A |
To provide a lead recovery method in which lead can be recovered highly efficiently.A mixed material S that is obtained by mixing lead oxide and/or lead sulfate separated from a lead battery and carbon is irradiated with a microwave unde...
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JP7319273B2 |
A process for the production of a crude solder composition includes the provision of a first solder refining slag that includes tin and/or lead. The process furtherincludes the steps of partially reducing the first solder refining slag, ...
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JP2023529576A |
The present invention is a process for the production of lithium metal and lithium alloy moldings, comprising Li(NH3)4+ncontacting a metallic or conductive deposition substrate with an ammonia solution of metallic lithium having a compos...
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JP7292278B2 |
A process for a producing crude solder product and a copper product includes the steps ofproviding a black copper comprising >=50% wt of copper together with >=1.0% wt of tin and/or >=1.0% wt of lead, andrefining a first portion of the b...
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JP7285851B2 |
The present invention concerns a process for the recovery of lead from a lead pastel electrolytically, where the pastel contains lead sulfate. The process provides for the leaching of the non-desulfurised pastel and the subsequent remova...
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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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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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JP2023515958A |
The present invention provides a first starting material having at least one smelter dust and/or sludge containing iron, zinc, lead and other heavy metal components and a second starting material containing at least one chlorine componen...
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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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JP7239745B2 |
Lead is recovered from lead paste of a lead acid battery in a continuous and electrochemical lead recovery process. In especially preferred aspects, lead paste is processed to remove residual sulfates, and the so treated lead paste is su...
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JP2023504212A |
System for melting lead scrap pieces. The system includes a container. A vortex chamber is positioned within the vessel. The vortex chamber includes an inlet, an outlet, and an open top configured to receive the lead strip. A pump is pos...
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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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JP7211153B2 |
To efficiently recover highly useful lead compound that is usable for a wider application in a production plant of zinc oxide ore.A method for producing lead compound comprises an exhaust gas treatment step S40 of performing: an exhaust ...
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JP7126972B2 |
To provide a removal method of Sn and a manufacturing method of Pb, which can suppress an amount of impurity mixing in an Sn scum.A removal method of Sn comprises, in Harris furnace, the steps of: soda treatment of performing a soda trea...
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JP7123912B2 |
Disclosed is a metal mixture composition containing lead and tin, and comprising by weight at least 10% tin and 45% lead, at least 90% of tin and lead together, more lead than tin, from 1-5000 ppm of copper, at least 0.42% antimony and a...
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JP2022099671A |
To efficiently recover lead contained in copper smelting dust by being separated from copper and tin, zinc and precious metals, such as gold and silver.A method for recovering lead in copper smelting dust includes: an alkali exudation st...
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JP2022519457A |
The process of producing soft lead (27), hard lead (28) and tin (20), a) producing a first lead overhead (7) and a first tin bottom (8), Pb + Sn. First distillation (200) of solder (6) containing + Sb, b) First bottom (8), optionally pro...
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JP2022519458A |
A first silver-enriched liquid drain product (9) at the liquid end of the crystallization step and the crystal end of the crystallization step by fractional crystallization (300) of a molten crude tin mixture containing lead and silver (...
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JP2022518486A |
The methods for recycling lead-containing waste are (a) a step of dissolving lead-containing waste in an aqueous solution of a primary acid to form a solution of lead salt 1, and (b) a lead-depleted solution. 2 A step of adding a diacid ...
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JP2022026823A |
To provide a method in which, from a scale containing MnO2, valuable metal and MnO2 constituting the scale are easily separated.Provided are: a method for recovering valuable metal that includes a leaching step in which an MnO2-containin...
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JP6959169B2 |
To provide a removal method of Sn and a manufacturing method of Pb, capable of suppressing impurities contamination amount to Sn scum.A removal method of Sn includes a Harris treatment process for repeating one or more of a series of a p...
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JP6944453B2 |
Lead is recycled from lead paste of lead acid batteries in a process that employs alkaline desulfurization followed by formation of plumbite that is then electrolytically converted to pure lead. Remaining insoluble lead dioxide is remove...
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JP6935069B2 |
To provide a processing method for acidic hot spring or acidic mine drainage in which less load is exerted in terms of the environment and the economy.A processing method for acidic hot spring or acidic mine drainage, comprising a step (...
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JP6896207B1 |
To provide an integrated recovery device and a recovery method for a waste lead-acid battery resource, which greatly reduces the mixing degree of the obtained recovered material and is convenient for resource recycling. A recovery device...
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JP6861773B2 |
Lead from lead acid battery scrap is recovered in two separate production streams as clean grid lead and as high-purity lead without smelting. In preferred aspects, lead recovery is performed in a continuous process that uses an aqueous ...
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JP6805240B2 |
Lead is recovered from lead paste of a lead acid battery in a continuous process. The lead paste is contacted with a base to generate a supernatant and a precipitate. The precipitate is separated from the supernatant, and is contacted wi...
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JP6797396B2 |
To provide a metal extraction agent that allows metal to be extracted from acidic aqueous solution with high selectivity and is prevented from leaking to the acidic aqueous solution, a metal extraction method and a metal recovery method....
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JP6794253B2 |
The invention is directed towards methods and compositions for improving the processing of mineral tailings. The method involves diverting a side stream from the main line of a tailings process flow. Into this side stream an additive suc...
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JP6785243B2 |
The invention relates to the field of hydrometallurgy. The use thereof for recovering precious metals from electronic circuit boards of modern microelectronics, for example, from computer printed circuit boards, allows to increase the...
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JP6754137B2 |
To provide a metal recovery method which efficiently recovers metal of high purity from an integrated circuit package.A metal recovery method which recovers metal from an integrated circuit package having a metal wire and a lead frame in...
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JP6736470B2 |
The present invention relates to the field of water treatment / metal recovery and to materials / devices useful in such processes. Specifically the invention provides for composite materials comprising amyloid fibrils; activated carbon;...
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JP6719092B2 |
To provide enrichment culture methods of manganese oxidation bacteria enabling the domination of manganese oxidation bacteria, methods of the generation of bio-manganese oxidation material, recovery methods of metals, and microbial commu...
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JP6710702B2 |
A method for removing lead-210 (210Pb) from a metal, the method comprising determining a 210Pb concentration in a metal to be refined; determining an amount of low alpha lead to be added to the metal to be refined from the 210Pb concentr...
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JP2020516768A |
It is a method of binding a target metal in a solution. The method of binding the target metal is as follows: i) the solution containing the target metal is contacted with ii) the encapsulated exudate of the algal flagellate culture or i...
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JP2020514537A |
The present invention relates to a method for extracting tin and / or lead contained in an electrically conductive mixture obtained from waste, and uses a solution containing methanesulfonic acid as an electrolytic solution.
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JP6693647B2 |
To provide a metal element separation method allowing efficient separation of a specific metal element from a solution containing multiple kinds of metal elements.An efficient method of separating a specific metal element is realized by ...
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JP6688742B2 |
An industrial scale smelting system that processes large quantities of ore in a production manner for recovery of a plurality of elements in useful quantities using a furnace system and a plurality of electrowinning processes with the op...
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JP6614654B2 |
To provide useful new compounds, particularly a compound that can be used as an extractant for extracting a valuable metal, such as a rare metal and a noble metal, or a toxic metal having high toxicity.A compound represented by the gener...
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JP6589238B2 |
To provide a recovery device and a recovery method for enhancing recovery rate of a low melting point alloy, and to enhance maintainability of centrifugal separation tank.The recovery device of a low melting point alloy for separating an...
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