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JP7307298B2 |
A production device, method and application of nano-sized zinc molybdate. The device includes a double-cone mixer; an elevator is obliquely provided at a bottom of a discharge port of the double-cone mixer; a rear end of the elevator is ...
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JP7306142B2 |
To provide a high pressure oxidation leaching method of a metal sulfide capable of reducing the loss of a recovery target metal.In a high pressure oxidation leaching method, when raw material slurry containing a metal sulfide is continuo...
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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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JP2023512703A |
The present invention is a process for recovering metallic zinc from solid metallurgical waste containing zinc and manganese comprising: a. contacting said solid metallurgical waste with an aqueous leach solution containing chloride ions...
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JP7226181B2 |
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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JP2023017650A |
To provide a method for treating zinc-containing substance in which introduction of new dedicated equipment for pretreatment of scrap raw material and atmosphere control of molten iron holding vessel is not required, and zinc in zinc-con...
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JP7215373B2 |
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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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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JP7201196B2 |
The present zinc recovery method is characterized in including a dissolving process of treating a raw material containing zinc with an alkaline fluid at a temperature equal to or higher than 100° C. to dissolve zinc contained in the raw...
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JP7193136B2 |
To provide a method for producing zinc carbonate by which zinc carbonate can be produced from electric furnace dust or secondary dust generated when electric furnace dust is reduced in a reduction furnace, secondary dust (crude zinc oxid...
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JP2022183913A |
To provide a method for producing metals that can cope with a reduction of production of metals while keeping power consumption at a relatively low level.A method for producing metals is to produce metals by molten salt electrolysis. In ...
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JP7183502B2 |
To improve stability of product grade of zinc oxide ore in a process to get zinc oxide ore from rough zinc oxide raw material containing cadmium by removing the cadmium more constantly.A manufacturing method of zinc oxide ore includes a ...
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JP7174024B2 |
The present application relates to a zinc alloy and a manufacturing method thereof. The zinc alloy of the present application contains Al at an amount of 3.5-4.3 wt% and Mg at an amount of 0.005-0.018 wt%, and the rest of the alloy is Zn...
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JP2022172512A |
To provide a method for producing zinc oxide ore that can control a mercury level of treated exhaust to be finally discharged out of the treatment system in the production of zinc oxide ore, at low cost, quickly, and with high accuracy.A...
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JP2022548205A |
The present application discloses electrodes and methods of making and using the same. The electrode comprises a substrate and a catalyst layer. The catalyst layer is located on the top surface and/or the bottom surface of the substrate ...
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JP7172713B2 |
To provide a producing method of zinc oxide ore, with which, in production of zinc oxide ore, the mercury concentration in treated exhaust gas finally discharged to the outside of a treatment system may be controlled at a high accuracy, ...
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JP7151404B2 |
To provide a manufacturing method of a zinc oxide ore capable of maintaining a collection rate of zinc in a reduction roasting step further stably at a desired level, in manufacturing a zinc oxide ore using, as a raw material, a pellet i...
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JP2022133515A |
To provide a gravity sedimentation type dust collector where dust in an exhaust gas is precipitated by gravity while being fluidized by the high temperature exhaust gas in a lateral direction and the formation of a block derived from dus...
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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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JP2022125396A |
To provide a manufacturing method of clinker capable of obtaining clinker of a low chlorine grade at a low cost, while maintaining a utilization rate of a manufacturing facility in manufacturing a zinc oxide using iron steel dust as a ra...
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JP2022123246A |
To make it possible to simply recover zinc at a low cost by inserting dust containing zinc and iron into a rotating cylindrical kiln substrate to heat.Dust Da containing zinc and iron is charged into a rotating cylindrical kiln base 11 i...
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JP2022119464A |
To provide a "reducer involved pellet" capable of holding the chromium quality of a zinc oxide ore served as a final-product in a stably desirable low quality range when manufacturing the zinc oxide ore using steel dust as a raw material...
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JP2022110915A |
To provide a method for manufacturing a zinc oxide, including sequentially a reduction roasting step, a wet step and a drying and heating step and capable of reducing a carry-over rate" when directly inserting a powdery raw material in t...
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JP7108483B2 |
To provide a non-ferrous metal electrolytic extraction method of electrolytically extracting nonferrous metal from an electrolytic solution containing a sulfate of nonferrous metal using an anode comprising Pb, capable of decreasing a ne...
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JP7099299B2 |
To provide a manufacturing method of zinc oxide ore, which can maintain a recovery rate of zinc in a reduction roasting process at a stably desirable height in a manufacturing plant of zinc oxide ore into which a plurality of kinds of st...
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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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JP2022103730A |
To produce zinc oxide ore of high quality having a sufficiently reduced fluorine level while reducing heat load to a dry furnace in high-temperature operation in the process of producing zinc oxide ore from the starting ore containing fl...
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JP2022057821A |
To provide a recycling method that can prevent a decrease in recycling yield and/or reduce damage to equipment.A recycling method includes an etching step for bringing a metal-laden substrate into contact with a solution to dissolve the ...
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JP7027934B2 |
To provide a method for high pressure oxidation leaching of a metal sulfide capable of reducing a loss of a recovery target metal.In a method for high pressure oxidation leaching, when continuously supplying a raw material slurry contain...
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JP7010078B2 |
To manufacture zinc oxide ore briquette having higher strength and excellent in quality stability compared to ones by conventional manufacturing methods.A manufacturing method of zinc oxide ore briquette comprises conducting temperature ...
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JP6988507B2 |
To avoid deterioration in function resulting from a deposit of exhaust gas dust in a damper, in exhaust gas treatment equipment in which a gas duct transferring exhaust gas is opened and closed using a butterfly damper.A butterfly damper...
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JP6967802B2 |
Provided is a method of making a fiber comprising metal nanoparticles. The method includes steps of: Step (A): providing a fiber and a metal salt aqueous solution comprising first metal ions; Step (B): making the metal salt aqueous solut...
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JP2021172537A |
To provide a method for producing lithium hydroxide which can obtain lithium hydroxide from lithium carbonate at comparatively low cost.A method for producing lithium hydroxide from lithium carbonate includes: a hydroxylation step of rea...
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JP6943409B1 |
To provide a method for treating electric furnace dust capable of efficiently recovering zinc from electric furnace dust by a low cost and simple method. When powdered ammonium chloride is mixed with electric furnace dust and heated in a...
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JP6940998B2 |
To provide a metal ion adsorption material capable of adsorbing a heavy metal ion contained in a nonpolar organic liquid at a dark place, detaching the same with visible light of 380 to 1000 nm and recovering the same, in which repeating...
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JP6896011B2 |
To efficiently and stably recover high-grade zinc of JIS distilled zinc metal class 1 from a reduction treatment gas containing metallic zinc vapor generated when reduced iron is produced from electric furnace dust containing iron oxides...
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JP2021080557A |
To provide means to enable recovery of zinc and prescribed easily ionizable metals at low cost by a simple process and device, from sludge containing zinc or a zinc compound and the easily ionizable metals or compounds thereof.A metal re...
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JP6874492B2 |
To provide a method for separating copper or zinc from an object for an exudation treatment small in agent used amount and small in energy used amount.There is provided a method for separating copper or zinc from an object for an exudati...
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JP2021070869A |
To provide means for enabling recovery of zinc and prescribed easily ionizable metals at low cost with simple processes and devices, from sludge containing zinc or zinc compounds and the easily ionizable metals or compounds thereof.A met...
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JP2021070859A |
To provide a metal recovery method and a metal recovery device which can separate at least one of zinc and cadmium from other heavy metal from metal-containing water containing at least one of zinc and cadmium and other heavy metal even ...
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JP2021066634A |
To provide an aqueous solution in which zinc is dissolved at a high concentration, in which while zinc is dissolved at such a high concentration, the amount of a dissolved alkali metal and alkaline earth metal for dissolving zinc is redu...
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JP2021059778A |
To provide means to enable recovery of a zinc compound from zinc compound-containing sludge at low cost with a simple device or process.A zinc compound recovery device S comprises a sludge filtration device 1, a drying device 2, a hydroc...
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JP6848497B2 |
To provide slurry transfer means capable of suppressing scale deposition more effectively than conventional means in a narrow pipe through which slurry is transferred from a large-sized storage tank.In a slurry transfer method, slurry st...
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JP6848940B2 |
To provide an easy method for predicting characteristics after wet classification of a valuable component-containing dust slurry.A method for predicting wet classification characteristics of a valuable component-containing dust slurry in...
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JP6838390B2 |
To provide a manufacturing method of zinc oxide ore using a crude zinc oxide fine powder with high zinc quality as an additional raw material, capable of enhancing productivity of a zinc oxide sintered ore by reducing carry-over rate of ...
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JP6836149B2 |
To provide an exhaust gas cleaning device and an exhaust gas cleaning method capable of largely recovering dust included in an exhaust gas of an industrial furnace while preventing the clogging caused by the sticking and deposition of du...
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JP6836148B2 |
To provide a processing method for exhaust gas performed at a manufacturing plant for zinc oxide ore where crude zinc oxide containing much amount of chlorine such as iron steel dust or the like is applied as raw material where recomposi...
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JP6836166B2 |
To provide an abrasion-resistant protective cover for grizzly bar which can be sufficiently used in such a situation that it is assumed to constantly collide with a high-temperature block object under high temperature environment of 700Â...
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