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JPS62502609A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPS6242973B2 |
Process comprises (a) using, as adsorber, a matrix contg. biologically recent humic acids and =99 wt.% carrier for the humic acids, which is contacted with sea-water until a max. quantity of adsorbable heavy metal quantity is adsorbed at...
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JPS62126360U |
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JPS62180730A |
PURPOSE: To surely recover a liq. in a recovery vessel by forming plural grooves of specified structure on the surface of a recovery plate, and preventing the detachment and falling of liq. droplets from the surface of the recovery plate...
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JPS62180729A |
PURPOSE: To improve the separation efficiency of the titled device, to recover product uranium having a high content of U235, and to reduce the consumption of heating energy by separating the heating region from the product uranium recov...
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JPS62180727A |
PURPOSE: To recover product uranium having a high content of U235 with improved separation efficiency and to reduce the consumption of heating energy by separating the heating region from the product uranium recovery region, and heating ...
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JPS62180728A |
PURPOSE: To reduce the consumption of heating energy and to eliminate the necessity of partially increasing the flow rate of a refrigerant by furnishing a device for providing a magnetic field in the horizontal direction. CONSTITUTION: A...
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JPS6232969B2 |
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JPS62152538A |
PURPOSE: To enhance the adsorbing capacity of a heavy metal such as uranium, by forming an adsorbent from a metal compound forming metal oxide under heating at high temp. in an oxygen-containing atmosphere and a metal compound forming me...
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JPS6230130B2 |
Recovery of uranium from crude wet process phosphoric acid (WPA) by cation exchange using as cation exchanger a resin comprising active amino phosphonic or hydroxy phosphonic groups linked to a matrix. The operational steps comprise redu...
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JPS6229373B2 |
Process for the extraction of uranium present in phosphoric acid solutions by extraction with a solvent system comprising an organophosphorus acid and a neutral phosphine oxide of formula R1R2R3P=O (I). Pref the organophosphorus acid is ...
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JPS6227140B2 |
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JPS62129132A |
PURPOSE: To reduce power cost and installation cost, by contriving to lower the output of a filament for evaporating metal uranium vapor and reducing energy loss due to heat conduction. CONSTITUTION: A metal melting crucible 16 is consti...
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JPS62123016A |
PURPOSE: To enable the collection of rare metal existing in a strongly acidic solution at a relatively low concentration without necessitating an alkali treat ment, by contacting a strongly acidic solution containing a rare metal with a ...
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JPS6221059B2 |
PURPOSE:To separate and recover Mo, U, V by subjecting an acid extracting soln. contg. Mo, U, V to repetition of sulfiding treatment, oxidation treatment, and neutralization treatment with an alkali. CONSTITUTION:Raw materials contg. Mo,...
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JPS62100476A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPS6219494B2 |
The invention relates to a method for recovering rare metals from the combustion residues of various coals, in particular brown coals. The recovery is performed by digestion, more particularly by aqueous and/or dilute alkaline and/or dil...
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JPS6216259B2 |
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JPS6215618B2 |
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JPS6249901A |
PURPOSE: To improve the recovery rate of the distillate, to facilitate the maintenance and inspection and to reduce the volume of the wastes by using a microwave as the source for heating and evaporating a liq. to be treated. CONSTITUTIO...
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JPS629361B2 |
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JPS625223B2 |
Uranium is extracted from wet process phosphoric acid by extraction with a mixture of a diorganophosphate and a neutral phosphorus compound, which is preferably triorgano phosphine oxide, in the presence of nitrate to form an organic ext...
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JPS621576B2 |
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JPS621577B2 |
A process for the separation of actinide ions from aqueous, basic, carbonate containing solutions with the use of basic ion exchangers. The actinide ions are sorbed at a weakly basic anion exchanger comprised of a polyalkene matrix provi...
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JPS621579B2 |
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JPS621326B2 |
Uranium is stably stripped from an organic solvent containing a uranium-laden, amine-based extracting agent into an aqueous ammonium sulfate solution with a very high stripping efficiency in an emulsion-formable high pH range by mixing t...
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JPS6160130B2 |
PURPOSE:To recover Mo, U, V separately by subjecting an acid extracting soln. contg. Mo, U, V to repetition of sulfiding treatment, oxidation treatment and alkali neutralization. CONSTITUTION:A sulfiding agent such as H2S is added to a s...
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JPS61238302A |
A liquid-liquid extraction for use for example, in the solvent extraction of uranium and/or plutonium from an aqueous phase, comprises a perforated plate packing in which each plate (10) has flanges - (18) associated with its perforation...
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JPS6144810B2 |
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JPS61195981A |
PURPOSE: To decrease remarkably the corrosion of a metallic wall by providing a heat insulating vessel to the inside of a nitric acid vessel made of metal, also providing both a heating means and a cooling means of a nitric acid soln. an...
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JPS6136058B2 |
PURPOSE:To fractionally recover valuable metals such as Mo, U and V with high efficiency, by leaching a material containing all of Mo, U and V with hydrochloric acid, and separating U as its chloride from the material at first, Mo as its...
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JPS6135256B2 |
The invention relates to a process for the recovery and the concentration of uranium (VI) contained in an organic phase. The organic phase is treated continuously in a contact zone with an aqueous solution containing an oxidizing-reducin...
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JPS6135255B2 |
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JPS61115131U |
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JPS61115132U |
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JPS6128732B2 |
Molybdenum is separated from molybdenum-containing activated charcoal or char also containing small amounts of uranium obtained as a by-product in uranium leaching processes by stripping with an alkaline solution to provide a molybdenum-...
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JPS61127625A |
1. Method for the obtaining of uranium and/or plutonium from nitric or sulphuric solution by precipitation with cationic surfactants and separation and further processing of the precipitated surfactant deposit, characterised in that the ...
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JPS6124333B2 |
In a process for reducing the oxygen content of metal oxide material, particularly a nuclear fuel material, the metal oxide material is contained in a plurality of carbon crucibles which are moved through a heated zone in end-to-end cont...
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JPS6121165B2 |
Iron contained in phosphoric acid solution is reduced from the trivalent to the bivalent oxidation stage. To this end, red phosphorus is used as the reductant and the reduction is effected in the presence of copper.
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JPS6121290B2 |
A process for preparing alloyed or non-alloyed, reactive metals by reaction of halides thereof, in particular chlorides, with a reducing agent at a temperature higher than the melting temperature of the metal to be developed, comprises s...
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JPS6115937B2 |
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JPS6170174A |
PURPOSE: To improve energy efficiency by arranging two air-turbine type power generation ships in reversed truncated chevron-form with respect to the direction of advance of waves and connecting two power generation ships by an inclinati...
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JPS6110162B2 |
A method and apparatus for obtaining dissolved, suspended or chemically bound substances from a liquid by passing the liquid upwardly through a bed of adsorbent particles in an upwardly extending channel, the liquid flow rate being such ...
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JPS618744B2 |
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JPS618019B2 |
PURPOSE:To prevent the slagging of the fluidized layer in the uranium denitration tower, by adding fine particles of uranium trioxide to the uranium trioxide of the fluidized layer, and recycling the fine particles falling from the layer...
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JPS613290B2 |
A novel titanium dioxide hydrate is provided whose structure exhibits X-ray diffraction peaks at 24.6+/-0.4 DEG and 48+/-0.4 DEG , and which is suitable as an adsorbent material. A process for preparing the novel titanium dioxide hydrate...
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JPS613293B2 |
This invention relates to a process for recovering uranyl cation from a wet process phosphoric acid feed solution comprising contacting the feed with a water-in-oil emulsion having an interior phase containing an aqueous solution of ferr...
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JPS6114136A |
PURPOSE: To recover uranium from slag effectively by adding a mineral acid noncontunuously while dividing the mineral acid to the slurry obtained by crushing the granulated slag contg. uranium. CONSTITUTION: After crushing the granulated...
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JPS611171B2 |
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JPS6058175B2 |
The uranium, yttrium, thorium and rare earth values contained in a phosphate rock are essentially totally recovered therefrom by, during the wet-process preparation of phosphoric acid from said phosphate rock, acidulating same in the pre...
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