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Patent Searching and Data


Matches 1,001 - 1,050 out of 2,784

Document Document Title
JP2007224333A
To provide a method of selectively and efficiently collecting a particular metal from industrial effluent or sludge. The method of selectively collecting metal ions includes using cross-linked chitosan containing a unit expressed by the ...  
JP2007217786A
To provide an electrolyzer which simplifies a process and minimizes energy consumption for obtaining chlorine and metallic zinc through electrolysis from zinc chloride which is a byproduct of silicon produced by a zinc reduction method. ...  
JP3962855B2
To provide a method capable of efficiently and easily separating and recovering various kinds of metals from the incineration ash generated when wastes, such as shredder dust, are incinerated or the molten fly ash generated when the inci...  
JP2007521393A
A mechanical decollator is operated at high temperature, various volatile metal, metal halogenides, and metal oxides are separated, and the method of collecting zinc or zinc oxides from the method of manufacturing the substance of high p...  
JP3951041B2
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...  
JP2007186761A
To provide a method for recovering a valuable metal, which lowers the chlorine content to 2 mass% or below but prevents the valuable metal from being eluted into a washing liquid by dechlorination-washing fly ash containing the valuable ...  
JP3945418B2
To provide a method for easily and appropriately controlling a sulfidization reaction by simply adjusting an oxidation-reduction potential (ORP) and a pH, in a method for controlling the reaction of sulfidizing a heavy metal existing in ...  
JP2007177284A
To provide a method for utilizing zinc-containing iron scraps by which, when utilizing the zinc-containing iron scraps as an iron source in an iron manufacturing process, zinc can be removed from the zinc-containing iron scraps by a simp...  
JP3944556B2
To provide a method in which useful heavy metals in fly ash are separated from chlorine and separated/recovered in a recyclable form in a smelting process. This method includes a process in which fly ash is added with an alkaline agent, ...  
JP2007162134A
To provide a process for extraction of nickel, cobalt and other metals from laterite ores with less investment and lower operational costs.The process for extracting nickel, cobalt and other metals from laterite ores by using heap leachi...  
JP2007154312A
To provide a method for producing zinc valuables of zinc oxide and zinc dust with high purity from zinc collected dust generated in blast working using zinc shots, and to provide zinc valuables produced by the production method.In the pr...  
JP3929260B2
To provide a briquette of steel making dust which is improved in the degradation in a unit requirement of electric power in a method of returning the steel making dust to an electric furnace and does not require the use of a flexible con...  
JP2007138188A
To provide zinc melting equipment having a flow regulating tool which can tap, with certainty, low-fluidity and high-fusibility molten zinc and also can regulate a tapping amount and is free from troubles such as clogging of a tap hole.I...  
JP3924981B2
To provide a treatment process for converting waste such as municipal refuse incineration ash or sewage sludge incineration ash, into a treated material which contains substantially no sulfate ions and has a drastically reduced lead cont...  
JPWO2007061012A
[Subject] Offer of metal with high purity produced by returning directly from a metal oxide, metal which has the peculiar characteristic, its manufacturing method, and a manufacture device. [Means for Solution] Fixing means 38 which meta...  
JP2007130565A
To provide a method and system for the recovery of valuable elements in a cement calcination plant which enables an efficient recovery of valuable elements contained in exhaust gas and their recycle as resources, in the utilization of va...  
JP2007126716A
To provide a method for recovering zinc by which zinc can be highly selectively extracted in the presence of cadmium.In this method for recovering zinc, the zinc is recovered highly selectively from a metallic solution in which zinc is c...  
JP2007113076A
To provide a wet type treatment method for zinc leaching residue in which an arsenic removing stage is smoothly carried out even if treatment conditions in the prestage are varied.In the wet type treatment method for zinc leaching residu...  
JP3911587B2
To provide a method for easily and efficiently separating and recovering various metals from incineration fly ash which is generated when incinerating wastes, such as shredder dust, or from molten fly ash which is generated when the inci...  
JP3911538B2
To provide a method capable of inexpensively recovering a heavy metal for smelting raw material having little chlorine and fluorine contents from fly ash containing the heavy metal, such as copper, zinc, lead, and also, the chlorine and ...  
JP3911536B2
To provide a method for directly leaching zinc concentrate in the method for producing electrolytic zinc by a hydrometallurgy method. This method includes a neutral leaching stage, a zinc concentrate leaching stage and an iron oxidizing ...  
JP2007105561A
To provide a treatment method of obtaining a solid content of zinc and lead of little moisture content from heavy metal-containing powder such as fly ash containing calcium, lead, zinc, copper, and a chlorine content.The method comprises...  
JP2007100153A
To provide a method for improving the removal rate of thallium from a zinc sulfate solution with high efficiency without increasing the conventional stages and equipment, and also without increasing the amount of zinc dust to be used in ...  
JP2007084859A
To provide such a process of burning a zinc concentrate and treating the burnt concentrate with acid as not to lower a seepage rate of zinc from the burnt concentrate even when the zinc concentrate is obtained from a zinc ore containing ...  
JP3901423B2
To form a multiplex coherent gas jet with a simple lance by feeding out fuel and oxidizer from the end part of a lance, burning, forming a flame envelope surrounding plural gas jets and individually holding the flow of each gas jet over ...  
JP3899428B2  
JP2007506860A
[Subject] Recovery of the nonferrous metal from a zinc residue is offered. [Solution means] The present invention relates to the method for separation of the nonferrous metal from a zinc content residue, especially the residue generated ...  
JP2007506865A
The invention relates to a process for the separation and recovery of non-ferrous metals from zinc-bearing residues, in particular from residues produced by the zinc manufacturing industry. The process comprises the steps of: —subjecti...  
JP3896442B2
To provide a method for separating a useful heavy metal in fly ash from chlorine and recovering the heavy metal in such a form being reusable in a refining step. The treatment method has a washing step in which fly ash is washed to disso...  
JP2007056373A
To provide a lance for forming a plurality of multiple coherent gas jets that are proximate one another using a single lance.The lance has (A) an end face equipped with a plurality of tapered/divergent nozzles each having inlet and outle...  
JP2007054828A
To provide a treating method of fly ash which is enhanced in handlability, carrying efficiency, and the like by preliminarily pelletizing a fly ash to pellets easy to crack and suitable for slurrying when reutilizing the fly ash as a sme...  
JP3886652B2
To provide an adjusting method and adjusting equipment for copper concentration in a leaching liquid in a cleaning process of wet zinc metallurgy in which copper quarity in a residue obtained in a copper removing process is high and the ...  
JP2007500786A
The present invention removes metal by one or more reactors (11 a*c), and measures an oxidation-reduction potential (16 a*c), acidity, and/or a basicity in relation to a reactor, And based on a measurement result, it is related with the ...  
JP2007500787A
The present invention relates to the method for processing metal content sludge in relation to a metal separation process. According to the present invention, the sludge (13) generated in metal separation, About a process, it is classifi...  
JP2007500333A
The present invention relates to the method and equipment for cooling the material excluded from a fluid bed furnace. It passes, when a hot material measures the capacity of the material accumulated in a fluid bed air conditioner from ...  
JP3865496B2
To provide a slag reforming method capable of greatly reducing the content of the composition to be produced in the zinc refining by a blast furnace method compared with a conventional method, and obtaining the product slag to clear the ...  
JP2006348367A
To provide a method for recycling a metal oxide where metal resources can be efficiently recovered from metal oxide-containing dust, sludge or the like, without generating a large quantity of exhaust gas, and final waste can be remarkabl...  
JP2006347815A
To provide a method for recycling a nickel plating waste solution sludge containing multicomponents which can recover nickel sulfate while performing the fractional recovery of other metal components.The method for recycling a nickel pla...  
JP3857589B2
To provide a high purity metal such as magnesium by distillation-refining of a raw metal, and to provide a method and an apparatus for refining the high purity metal exhibiting a high yield and efficiency at a low cost. The refining devi...  
JP2006328451A
To prevent deterioration in the quality of iron and to recover dust having high zinc content.At least one among ASR (automobile shredder residue), shredder dust from electric appliances, waste plastics and RDF (refuse derived fuel) and R...  
JP3850171B2
To improve the treating capacity in the existing equipment even in the case of increasing a zinc leaching residue as the treating object by executing a concentrating process of float with plural sets of thickeners connected with a series...  
JP2006316333A
To provide a zinc-containing dust pellet in which zinc can be efficiently discharged from zinc-containing dust while preventing the explosion of the pellet and the formation of kiln rings, and the content of metal iron in slag can be inc...  
JP3845355B2
To provide a recycling method by which smoke dust is utilized as the raw material for iron making without subjecting the same to reclaiming treatment, and the economically treatable smoke dust is used as the raw material for iron making....  
JP3844752B2
To regenerate an amine used to solvent extraction for recovery of metals without using caustic reagents and complicated filtering steps. A liquid organic phase containing an amine complexed with one or more metals is brought into contact...  
JP2006307267A
To provide a slag-fuming method which produces dust containing zinc and lead with little amount of arsenic and antimony, and a slag that stably satisfies standards for a soil environment, from a slag produced in a smelting furnace for sm...  
JP2006307268A
To provide a method for collecting dust containing little halogen element when slag-fuming a slag produced in a smelting furnace for smelting zinc and/or lead.When collecting the dust containing zinc and lead from a fumed gas which has b...  
JP3844028B2
To reduce the size of equipment, to enhance thermal efficient and to efficiently recover valuable metals by pelletizing blast furnace system and converter system dust or surface treating system sludge together with carbonaceous substance...  
JP3843052B2
To efficiently and stably treat waste water containing metal to separate and recover valuable metal from the waste water containing metal and to reduce the occurring amount of sludge. In the recovering method for valuable metal in the wa...  
JP3842907B2
To purify metal-contg. waste water and to recover valuable metals simultaneously when the waste water is treated and to remarkably reduce the generation of sludge. The pH of metal-contg. waste water is adjusted by an alkali agent to form...  
JP3838713B2
To provide a method and device for directly producing high-purity zinc of ≥99.9999wt.% purity (6N) in the form of an ingot by developing a new refining means by which the iron, silver, lead, etc., which have been difficult to separate ...  

Matches 1,001 - 1,050 out of 2,784