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Patent Searching and Data


Matches 401 - 450 out of 1,230

Document Document Title
JP2001348628A
To provide an apparatus for preventing an adsorbent from flowing out of an adsorbing bed tank and efficiently recovering specific components in sea water.This recovering apparatus for recovering the specific components in sea water provi...  
JP2001347257A
To provide a energy saving apparatus for particularly concentrating the solution containing specified components recovered from sea water.This apparatus is provided with an upper layer tank having a drainage opening with a valve and a lo...  
JP3259033B2
To provide a energy saving apparatus for particularly concentrating the solution containing specified components recovered from sea water. This apparatus is provided with an upper layer tank having a drainage opening with a valve and a l...  
JP2001523330A
(57) In the method of converting into primary metal or its useful compound and a fluoride useful thing, or its useful compound the supply substance of the high minerals content containing a summary primary metal useful thing and a fluori...  
JP3241475B2
PURPOSE: To easily separate a specific element from an aqueous solution resulting from reprocessing of spent nuclear fuel at a high recovery by bringing the aqueous solution into contact with a solid resin composed basically of a vinylpy...  
JP2001518139A
(57) The method of extracting metal from a metal oxide directly is indicated by exposing an oxide to a summary supercritical fluid. Preferably, metal is アクチニド or a lanthanide. Metal is uranium, thorium, or plutonium more prefer...  
JP2001516809A5  
JP2001516809A
(57) A summary and solution means. The present invention extracts アクチニド of 3 values from solution of H* concentration of 0.01 mol / L*2 mol / L. As a synergist アクリニド of 3 values from at least one kind of lanthanides T...  
JP2001516321A
(57) The method and equipment which manufacture halogenation output from a summary metal halogenide. In one example, 6 uranium fluorides are processed by separating fluoride from the metal of 6 uranium fluorides. Into a 熔融 metal bath...  
JP3232807B2
PURPOSE: To regenerate an anion exchange resin whose perrhenate ion adsorbing ability has been reduced by adsorption of a thiocyanato complex so that the resin can adsorb perrhenate ions. CONSTITUTION: An anion exchange resin with an ads...  
JP2001514377A
(57) Summary book invention relates to the method of separating アクチニド and a lanthanide by the liquid * liquid extraction by a calyx arene.  
JP2001513434A
(57) アクチニド by which summary book invention is introduced into a division (3), and the 1st solution containing at least 1 metal chosen from the group of a lanthanide, It is related with a method for the membrane transport using ...  
JP2001511480A
(57) Summary book invention relates to the metal-fume-fever disposal method and the continuation extraction method of metal goods which consist of at least one sort of metal, It is the stage of 溶融 (ing) metal in the 1st of an inducti...  
JP2001133593A
To provide a simple method of removing thorium. This method of continuously removing radioactive thorium from an aqueous solution is characterized in that the average residence time of thorium in ion exchange resin exceeds the average ti...  
JP3172863B2
To perform all the isotope separations including uranium enrichment by one-step operation and to provide a technique of constituting an ultrahigh purity ion source or plasm source. Only an object isotope element to be separated is separa...  
JP2001056393A
To obtain a method recovering uranium as reusable pure uranium dioxide by removing impurity when plutonium is recovered from spent oxide nuclear fuel generated from a nuclear power station. Spent nuclear oxide fuel and reducing agent sam...  
JP2001500422A
(57) A means to 脱昇華 the gaseous substance by which summary sublimation was carried out, to solidify, and to carry out the trap of the substance by which 脱昇華 was carried out above-mentioned succeedingly, and to be equipment to...  
JP2000515932A
(57) How to extract metal and the kind of metalloid from the chelate of the metal which used the supercritical fluid solvent containing summary 1 sort or two sorts or more of chelating agents, and was formed by this, and metalloid from t...  
JP2000292593A
To provide a reduction device of actinide oxide obtaining high reduction ratio of actinide oxide to actinide metal. A reduction device of actinide oxide comprises a holding vessel 5 containing molten salt 2, a recovery vessel 6 placed in...  
JP3093793B2  
JP2000511593A
(57) -- A summary the mixture (especially -- a lanthanide kind --) of a metal kind, especially アクチニド, for example, Am (III) For example, a triazine compound is added for extraction from the mixture containing Eu (III) into this...  
JP3082921B2  
JP2000212655A
To provide a collection device capable of efficiently collecting useful metals such as uranium, vanadium, cobalt and titanium dissolved in micro amount in sea water in which a collection material having amidoxime group to collect the met...  
JP3062448B2  
JP2000178531A
To provide a scavenger and a scavenging method capable of recovering useful metals dissolved in seawater at high efficiency by merely mooring in seawater such as the black current by introducing an adoxime group and/or a hydroxyl group i...  
JP2000507308A
(57) How to extract alternatively the metal value containing uranium, thorium, a scandium, and a zirconium from the start material containing summary metal value. This method is suitable for extracting metal from tantalum / niobium produ...  
JP2000507307A
(57) The method of summary book invention includes exuding in the metal content material which contains fluoridation metal valuables under existence of the complexing agent which 錯-izes fluoride ion, for example, an ore residue, with m...  
JP2000507306A
(57) It is the method of collecting valuable value metal from the metal content substance containing summary valuable value metal, and each process of separating the solution obtained by carrying out warm extraction processing of the met...  
JP2000131489A
To simplify the operation of promoting reduction reaction and recovering products and to improve the efficiency of electrolysis by constituting a device so as to efficiently progress the regeneration of lithium after reduction. The inner...  
JP2000088991A
To easily perform the decontamination of waste discharged from a nuclear fuel cycle facility and contrive the reutilization of used electrolyte without any discharge of waste liquid. Waste 10 from a nuclear fuel cycle facility is separat...  
JP3050359B2
PURPOSE: To easily separate neptunium and plutonium without generating secondary waste liquor. CONSTITUTION: A nitric acid mixed soln. of neptunium/plutonium is subjected to photooxidation by irradiation with UV in the presence of a redu...  
JP2000080492A
To provide a recovering method of uranium from a uranium-iron alloy with a simple dry process and a molten salt electrolytic cell used for this method. A molten salt electrolytic cell is constituted of a basket like cathode 14 housing a ...  
JP3014186B2  
JP2000054041A
To improve dissolving rate and solubility, to reduce insoluble residue and to prevent the generation of NOx gas in nitric acid dissolution to the utmost at the time of dissolving a multiple oxide of uranium/plutonium containing impuritie...  
JP2000038623A
To separate uranium, plutonium or compounds thereof by the use of magnetic attraction. A method for separating radio active particles comprises flowing a fluid to be treated, containing the radio active particles, into a magnetized rotar...  
JPH11314920A
To provide an extraction method capable of separating actinide from nuclear fission lanthanide with high selectivity at a low working cost by using an extracting agent described below. A soln. of a 2,6-di-substd. pyridine deriv. in a par...  
JP2977744B2  
JP2972369B2  
JPH11290603A
To efficiently recover a particular element contained in a salt. A method comprises the steps of dissolving in a dissolving tank 4 a salt 1a containing a particular element (for example, uranium) to be recovered, mixing a mixed fluid 2, ...  
JPH11509467A
(57) Using a summary non-agitating surface bioreactor, in order to remove an unnecessary compound, the method of carrying out bio-processing of the quality of a solid is offered. According to this method, the surface of many rough substr...  
JPH11211889A
To selectively separate a transuranium element from radioactive waste liquid containing the transuranium element by using a chelate resin having n-octyl (phenyl)-N,N-diisobutylcarbamoyl-methylphosphine-oxide as functional group. A chelat...  
JP2912920B1
[Summary] Subject At the time of the nitric acid dissolution of the uranium plutonium mixed oxide containing impurities, a rate of solution and solubility are improved and an undissolved residual substance is reduced. In the case of the ...  
JP2909197B2  
JP2908029B2  
JP2908030B2  
JP2939110B2
PURPOSE: To easily coextract neptunium and plutonium without generating secondary waste liquor. CONSTITUTION: A nitric acid mixed soln. of neptunium/plutonium is subjected to photooxidation by irradiation with UV. Since the valence of th...  
JPH11505329A
(57) Summary book invention relates to the method of removing a rare-earth element (RE) from spent nuclear fuel. It applies to an oxidization process at the temperature of 800 °C of abbreviation 200* abbreviation, and spent nuclear fuel...  
JPH11131156A
To provide a method which is capable of removing uranium from by-products at the time of uranium production, i.e., magnesium fluoride slag contaminated with metallic uranium and uranium compd., recovering other components in an effective...  
JP2868264B2  
JPH1123784A
To provide actinoid elements not generating waste which is hard to treat by a method in which a strict concentration management is not required, a very high partition efficiency (partition coefficient) is provided, and an easy partition ...  

Matches 401 - 450 out of 1,230