| Document |
Document Title |
|
JP2003293019A |
To provide a method for producing a reduced iron by which the collapse and the powdering of a pellet in a heating furnace is prevented and the product reduced iron having high dezincifying rate and high metallizing rate can be produced a...
|
|
JP2003293181A |
To provide an electrolysis tank which can achieve energy saving by making electrolytic voltage extremely low in a molten salt electrolysis process which yields chlorine and zinc from zinc chloride which is obtained as a by-product when p...
|
|
JP2003277845A |
To analyze the inner part by a blast furnace with an ISP method to a dry-type zinc smelting, which can reproduce an actual operation and can follow a change of a state in the furnace according to the change of operational conditions.A me...
|
|
JP2003247029A |
To provide a method for recovering catalytic metals from fluids containing the catalytic metal colloids.Fluid compositions such as rinse solutions or dragout baths containing catalytic metal colloids are passed through a porous metal fil...
|
|
JP2003524070A |
The invention concerns a method for upgrading steel plant dust to recuperate industrially reusable compounds. Said method comprises an attrition and dilution step, a solid/liquid separating and solid washing step, an acid leaching step, ...
|
|
JP2003524071A |
Disclosed is a process for recovery of cyanide and metals from a liquor containing complexes of cyanide and metal typically generated by a metallurgical or industrial process. The process involves electrochemical dissociation of the meta...
|
|
JP3436397B2 |
PURPOSE: To provide a method for stabilizing the degree of operation of a lead splash condenser for recovering zinc vapor from exhaust gas in a reducing furnace containing the zinc vapor as molten zinc, particularly, a method for prevent...
|
|
JP3436396B2 |
PURPOSE: To provide a method for enabling the maintenance of heat conductive efficiency by preventing the solidification of a half-solidified material containing lead and elution of zinc and impurities caused by local cooling at the time...
|
|
JP2003220302A |
To obtain high concentration of ferric ions used in dissolving ore to increase dissolving efficiency by removing unnecessary metal ions as much as possible and oxidizing by iron oxidizing bacteria.In recovering an objective element from ...
|
|
JP3433973B2 |
PURPOSE: To generate, recover and produce easily volatilizing metals in good yield and at high content by vaporizing the volatilizing non-ferrous metals while utilizing a distilation column. CONSTITUTION: In a heating metallurgical treat...
|
|
JP2003211127A |
To provide a method for treating dust containing chlorides capable of sorting lead, zinc and chlorine contained therein, and recovering them with a high recovering ratio.The method comprises a step (A) for obtaining a liquid portion cont...
|
|
JP2003201510A |
To provide a method for treating and effectively recycling a scrap vending machine without polluting the environment.After manually classifying and collecting fluorocarbon gas, battery, fluorescent tubes, and copper components of a cooli...
|
|
JP2003201524A |
To provide a waste treatment method in which lead and zinc are classified from wastes such as fly ash, and removed, the use of chemicals such as acids can be considerably reduced, and a raw material of cement (calcium carbonate) can be o...
|
|
JP2003521369A |
The invention relates to a method of treating a halogen containing solid or semi solid waste material from a flue gas cleaning process, wherein the amount of alkaline compounds is sufficient to provide a suspension of the waste material ...
|
|
JP2003193149A |
To realize saving of a cost and of a space by performing each treatment of a heating, a dezincing in vacuum, and a melting, in charging material containing zinc into a metal melting furnace.The material V (scrap or metallic dust or mixtu...
|
|
JP2003193148A |
To provide a method for condensing zinc with which can recover as the metallic zinc, conventionally vaporized zinc recovered as zinc oxide.When the vaporized zinc is condensed into liquid zinc in oxidizing gas-containing atmosphere, the ...
|
|
JP2003181413A |
To provide a treatment method of fly ash which separates a useful heavy metal in fly ash from salts of chlorine and calcium, etc., and enables separation recovery in a reusable form in a refining process.This treatment method of fly ash ...
|
|
JP3411320B2 |
PURPOSE: To provide a method for separating and removing all components of gold, silver, copper, lead, iron, sulfur, etc., in a zinc mineral concn. by rationally combining a pressurization-leaching method, floatation method to the ordina...
|
|
JP2003147447A |
To provide an apparatus for distilling molten metal with which alloy making components can perfectly be separated and which has a simple structure and is used versatilely by improving a vacuum pot consisting essentially of two portions, ...
|
|
JP2003147450A |
To provide a method of obtaining rude zinc oxide powder as a Zn raw material by subjecting flue cinder in steel making to reduction roasting to recover rude zinc oxide dust, and thereafter, efficiently volatilizing and separating chlorin...
|
|
JP2003147451A |
To provide a method of obtaining rude zinc oxide powder as a Zn raw material by subjecting flue cinder in steel making to reduction roasting to recover rude zinc oxide dust, and thereafter, efficiently volatilizing and separating chlorin...
|
|
JP2003147444A |
To solve the problem that conventional methods for separating valuable metals from a metal cyanide-containing solution produce solid cyanides, generate gaseous HCN and cannot be applied to a solution having a high concentration of cyanid...
|
|
JP3408809B2 |
|
|
JP2003138321A |
To provide a method for recovering valuable material from fused fly ash, by which lead and zinc contained in the fused fly ash can simply be recovered in few number of treating processes.In the case of recovering the valuable material fr...
|
|
JP2003138324A |
To provide a bell top charging method for a blast furnace, by which blow-off is hardly to occur and even in the case the blow-off occurred, the efficiency in the blast furnace operation can be held to high stability by quickly putting do...
|
|
JP2003130318A |
To reduce the number of final treatment facilities and to contribute to resources saving by recycling most of the molten matters and fly ash generated in the waste incineration process.The molten matters obtained by waste incineration at...
|
|
JP2003119508A |
To realize effective recycling of iron manufacture waste containing much volatile substance such as chlorine, which has been conventionally discarded, while efficiently collecting zinc contained in a raw material of the waste, in a treat...
|
|
JP3399224B2 |
To provide a recovering apparatus which continuously and efficiently recovers zinc oxide from iron making dust contg. low-concn. zinc. This recovering apparatus consists of a reaction furnace 32 which is charged with agglomerated iron ma...
|
|
JP3399034B2 |
PURPOSE: To efficiently execute dezincification from scrap and to recycle the scrap. CONSTITUTION: A dezincification furnace 6 is constituted by housing a pot body 1 of a steel pot 5 consisting of the pot body 1 and a cover 3 into a heat...
|
|
JP3391652B2 |
To separate and recover zinc as metal from dust at a good yield by heating zinc-contg. dust under a reduced pressure to form the dust mainly composed of iron oxide and zinc oxide, then mixing a reducing agent therewith, heating the mixtu...
|
|
JP3388351B2 |
|
|
JP3386162B2 |
PURPOSE: To provide an operating method of a zinc smelting equipment capable of surely preventing the explosion of carbon monoxide in an emergency. CONSTITUTION: When supply of either of the feeds to be supplied into a reducing furnace i...
|
|
JP2003073753A |
To provide a method for separating zinc from a halogen-base liquid containing copper and zinc.The method for separating zinc from copper is characterized by migrating zinc in the halogen-base liquid into the extractant, by extraction tre...
|
|
JP3385997B2 |
To unnecessitate the use of an autoclave and hydrogen sulfide by adding a neutralizing agent to a normal pressure exudation liquid, in which Fe and Al are separated, to precipitate and recover Ni, Co and Zn as hydroxide or carbonate and ...
|
|
JP2003027272A |
To provide a method capable of efficiently and easily recovering various kinds of metals from the incineration fly ash produced when wastes of shredder dust, or the like, are incinerated or the molten fly ash produced when the incinerati...
|
|
JP2003027152A |
To increase concentration of high volatility metal recovered from furnace top gas by suppressing exhaust of fine powder of carbonaceous solid reducing agent and ash content from the furnace top.In a smelting reduction furnace 1 which pro...
|
|
JP3370330B2 |
A method for the recovery of zinc oxide from industrial waste materials of various components, including zinc, lead, iron and cadmium, comprising the steps of treating the waste material with an ammonium chloride solution maintained at a...
|
|
JP2003013275A |
To provide a method for efficiently collecting pure zinc and/or zinc oxide from a raw material including zinc or a zinc compound, and a method for treating dust of an electric furnace, which can effectively recycle metals with the use of...
|
|
JP2002363660A |
To provide a new technology for recovering metal zinc by thermit reaction. In the method for recovering zinc by subjecting a raw material to be treated which consists of ferrous wastes containing zinc oxide and iron oxide and aluminum-ba...
|
|
JP2002356725A |
To provide a reducing furnace for smelting Zn and Pb, and an operating method thereof in which raw material may be powder, molten or both, and the gasification ratio of the powder fuel is higher than that of a conventional flame reactor,...
|
|
JP2002336641A |
To provide a dust-containing gas refining method by which the materials contained in the dust in the gas discharged from a gasifier or incinerator of waste and the dust discharged when acidic gas is removed can be separated and recovered...
|
|
JP2002336837A |
To provide a method for more efficiently cleaning a contaminated medium by using plants compared to a conventional method.In the method for cleaning a medium contaminated with heavy metals, Malvaceae Abelmoschus plants are cultivated on ...
|
|
JP2002332525A |
To provide a method for controlling moisture of a raw material to be fed to a sintering machine for simultaneously refining zinc and lead, by which the content of moisture required for granulation can appropriately be detected, and also ...
|
|
JP2002332529A |
To provide a method for producing a zinc oxide sintered ore or a zinc oxide briquette which has a low content of fluorine.The method consists of; (1) a wet treatment stage where wet treatment of removing halogen compounds from halogen-co...
|
|
JP2002331282A |
To provide a method for performing the cleaning of a polluted medium more efficiently than before using a plant.In the method for cleaning the medium polluted with heavy metals, a plant belonging to the genus Chenopodiaceae Chenopodium, ...
|
|
JP3339638B2 |
PCT No. PCT/EP93/00747 Sec. 371 Date Sep. 26, 1994 Sec. 102(e) Date Sep. 26, 1994 PCT Filed Mar. 26, 1993 PCT Pub. No. WO93/19213 PCT Pub. Date Sep. 30, 1993The foundry dust is fed to a first furnace atmosphere which is preferably at 100...
|
|
JP2002308902A |
To obtain an extraction agent capable of selectively extracting cupric ions out of an aqueous solution wherein cupric ions and base metal ions other than cupric ions coexist and capable of selectively extracting nickel ions out of an aqu...
|
|
JP3336131B2 |
PURPOSE:To recover the valuable metal consisting essentially of zinc contained in dust in a pure form by keeping the top of a vertical smelting reduction furnace at a specified temp. while zinc-contg. dust is blown into the furnace. CONS...
|
|
JP3336167B2 |
PURPOSE: To efficiently recover valuable metal in a high yield by reducing dust of an electric furnace with carbon base solid reducing agent, recovering molten iron having Fe as the main component, dividing the vaporized Zn into low cont...
|
|
JP2002294352A |
To analyze the inside of a blast furnace by a dry zinc smelting ISP method which enables reproduction of actual operation and follows change in the situation in the furnace caused by change in operational condition.The state of reaction ...
|
