| Patents for G21F 9 - Treating radioactively contaminated material; Decontamination arrangements therefor (8,212) |
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| 03/08/1990 | DE3829654A1 Ion exchanger granules and use thereof for radio caesium decontamination of liquids |
| 03/07/1990 | CN1040284A Device for shearing group of tubes |
| 03/06/1990 | US4906409 Method for the treatment and conveyance of feed sludge |
| 03/06/1990 | US4906408 Means for the conditioning of radioactive or toxic waste in cement and its production process |
| 03/06/1990 | US4906135 Method and apparatus for salt dome storage of hazardous waste |
| 03/01/1990 | DE3927582A1 Elektrolytische zelle Electrolytic cell |
| 02/28/1990 | EP0355628A1 Process for chemically decontaminating the surface of a metallic construction element of a nuclear power plant |
| 02/28/1990 | EP0355514A2 Process for conditioning radioactive evaporator concentrates form nuclear plants |
| 02/28/1990 | EP0355477A1 Process and device for decontaminating the primary system of a nuclear-power station |
| 02/27/1990 | US4904416 Cement solidification treatment of spent ion exchange resins |
| 02/22/1990 | WO1990001774A1 Decontamination method |
| 02/20/1990 | US4903277 Electric melting furnace with partitioned melting cavity for solidifying highly radioactive waste in glass |
| 02/20/1990 | US4902665 Using water insoluble cellulose ester |
| 02/20/1990 | US4902446 Method for reducing the volume of radioactively loaded liquids, and finned body for use in the process |
| 02/20/1990 | US4902426 Chromatographic separation of rare earth ions or actinide ions |
| 02/20/1990 | US4902351 Method for decontaminating radioactively contaminated surfaces of metallic materials |
| 02/14/1990 | CN1039675A Construction pressure device for reactor fuel group elements |
| 02/13/1990 | US4900928 Process and apparatus for determining quantity of radioactive material in a centrifuge |
| 02/08/1990 | WO1990001208A1 Device and method for encapsulating radioactive materials |
| 02/06/1990 | US4898963 Treatment with water-soluble organic amines in organic solvents |
| 02/06/1990 | US4898692 Process for direct conversion of reactive metals to glass |
| 01/31/1990 | EP0352594A1 Electropolishing process for decontamination purposes |
| 01/31/1990 | CN1039321A Electrolytic reduction-extraction method for reclaiming np from waste radioactive liquor |
| 01/30/1990 | US4897222 Transportable press for a high condensability of radioactive waste material of nuclear power stations and process for condensing the same |
| 01/30/1990 | US4897221 Process and apparatus for classifying, segregating and isolating radioactive wastes |
| 01/25/1990 | WO1990000524A1 Process to separate transuranic elements from nuclear waste |
| 01/24/1990 | CN1039142A Series of radioactive-pollutant eliminating detergent for traditional chinese medicine |
| 01/23/1990 | US4895905 Gel-type chelating resins and a process for removal of multi-valent, alkaline earth or heavy metal cations from solutions |
| 01/23/1990 | US4895678 Small volume |
| 01/23/1990 | CA1264664A1 Glass microspheres |
| 01/23/1990 | CA1264559A1 Process for treating uraniferous solutions by the addition of an aluminum salt |
| 01/16/1990 | US4894550 Shielded radioactive-waste container |
| 01/09/1990 | US4892685 Treatment with sodium nitrate solution, encapsulation in cement |
| 01/09/1990 | US4892684 Method and apparatus for separating radionuclides from non-radionuclides |
| 01/03/1990 | EP0348991A2 Method for evaporation treatment of ruthenium-containing nitric acid solution |
| 01/02/1990 | US4891192 Process for the purification of traces of radioactive elements generated during the storage of uranium resulting from the reprocessing of irradiated nuclear fuels |
| 01/02/1990 | US4891164 Method for separating and immobilizing radioactive materials |
| 01/02/1990 | US4891116 Method and apparatus for electrochemically decomposing inorganic materials contained in an aqueous radioactive waste solution |
| 12/27/1989 | EP0347625A2 Method for separating technetium, ruthenium and palladium from solutions of nuclear fuels |
| 12/26/1989 | US4888989 Level sensor system |
| 12/20/1989 | EP0347315A1 Process for separating uranium and plutonium present in an aqueous medium resulting from the reprocessing of irradiated nuclear fuels, by means of crown-ethers |
| 12/20/1989 | EP0347312A1 Device for cutting a bundle of rods |
| 12/20/1989 | EP0347255A1 Method of treating high-level radioactive waste liquid |
| 12/20/1989 | CN1038186A Storage container for radio-active wastes |
| 12/14/1989 | WO1989012305A1 Method for decontaminating specially selected and conventional plastic materials which have become radioactively contaminated, and articles |
| 12/13/1989 | EP0346233A1 Process for compacting the skeleton of a nuclear fuel assembly |
| 12/13/1989 | CN1037848A Metallic ion adsorbent and method for adsorbing metallic ion with it |
| 12/05/1989 | US4885124 Removal of obstructions in thimbles of nuclear power reactors |
| 12/05/1989 | US4884711 Container system for the storage of wastes |
| 11/28/1989 | US4883576 Apparatus for survey and/or treatment of a smooth, curved surface |
| 11/28/1989 | CA1263220A1 Incorporating radioactive waste in ceramic mix and firing in porcelain container |
| 11/23/1989 | EP0342876A2 Waste treatment |
| 11/23/1989 | DE3815850A1 Nuclear power station with a containment shell and method for its depressurisation |
| 11/22/1989 | CN1037425A Process for separating by means of crown ethers uranium and plutonium present in aqueous medium resulting from reprocessing of irradiated nuclear fuels |
| 11/21/1989 | US4882094 Centrifugable container |
| 11/21/1989 | US4882093 Steam extraction |
| 11/21/1989 | US4882092 Method of making radiation shielding elements for use in nuclear technology |
| 11/21/1989 | US4881958 Adsorption device for gas separation |
| 11/21/1989 | US4881849 Method for storing toxic waste material |
| 11/16/1989 | WO1989011149A1 Process for cementing radioactive waste and product of cementation |
| 11/16/1989 | DE3910440A1 Verfahren und vorrichtung zur abschwaechung der gasdiffusion durch eine wand Method and apparatus for mitigating the gas diffusion through a wall |
| 11/16/1989 | DE3815632A1 Process for melting ash and other ceramic materials having harmful constituents |
| 11/15/1989 | EP0342081A1 Device for anchoring into a threaded bore, and brushing machine provided with such a device |
| 11/14/1989 | US4880595 Process and apparatus for cleaning nuclear reactor cooling water |
| 11/14/1989 | US4880559 Ceric acid decontamination of nuclear reactors |
| 11/09/1989 | DE3835846C1 Tritium filter system |
| 11/08/1989 | EP0341139A1 Process for packaging radioactive wastes, and devices for carrying out the same |
| 11/08/1989 | EP0340975A1 Ethylene copolymers as sorbers of metallic ions from solutions |
| 11/07/1989 | US4879006 Liquid treatment process |
| 11/02/1989 | WO1989010490A1 Anchoring device in a tapped bore and brushing machine incorporating such device |
| 11/02/1989 | DE3813017A1 Vorrichtung zur elektrochemischen behandlung von radioaktiven brennstoffloesungen Apparatus for electrochemical treatment of radioactive fuel loesungen |
| 10/31/1989 | US4877558 Method of treating radioactive ion-exchange resins by oxidative decomposition |
| 10/31/1989 | US4877353 Safely dispose of hazardous waste |
| 10/25/1989 | EP0338927A1 Process and apparatus for the destruction of chemical stable waste |
| 10/25/1989 | EP0338894A1 Container for storing radioactive waste |
| 10/25/1989 | EP0338678A1 Exhaust gas recombiner |
| 10/25/1989 | EP0338324A2 Nuclear power plant with security confinement |
| 10/25/1989 | EP0338322A2 Evaporating plant with forced circulation for decontamination of radioactive liquids |
| 10/25/1989 | EP0338060A1 Method for stabilizing, solidifying and storing waste material |
| 10/24/1989 | US4876232 Phenanthroline on carbon or charcoal support |
| 10/24/1989 | US4876036 Process for the extraction of cations and application thereof to the treatment of aqueous effluents |
| 10/24/1989 | US4875945 Process for cleaning the exhaust gas of a fusion reactor |
| 10/24/1989 | US4875360 Method and device for checking filters |
| 10/17/1989 | US4874516 A ceramic filter for semi-ultrafiltration |
| 10/17/1989 | US4874485 Using aqueous electrolyte containing nitric acid |
| 10/11/1989 | EP0335974A1 Method of immobilizing radioactive wastes |
| 10/11/1989 | EP0335971A1 Supported heteropolycyclic compounds in the separation and removal of late transition metals |
| 10/10/1989 | US4873050 Method and apparatus for pressure relief of a nuclear power plant |
| 10/03/1989 | US4871518 Recovery or removal of uranium by the utilization of acorns |
| 10/03/1989 | US4871478 Method of improving the criticality safety in a liquid-liquid extraction process for spent nuclear fuel or breeder reactor materials |
| 09/27/1989 | EP0333757A1 Process for the chromatographic separation of metal ions. |
| 09/26/1989 | US4869832 Stripping from water by aeration |
| 09/26/1989 | US4869794 Process for eliminating the chloride ions present in contaminated solid wastes, such as incineration ashes contaminated by actinides |
| 09/26/1989 | CA1261985A1 Process for the conditioning of radioactive or toxic waste in epoxy resins and polymerizable mixture with two liquid constituents usable in this process |
| 09/26/1989 | CA1260257A1 Container heating arrangements |
| 09/26/1989 | CA1259805A1 Underground waste barrier structure |
| 09/20/1989 | EP0333607A1 Device for dynamic confinement |
| 09/20/1989 | EP0333555A1 Process and device for purifying an inert gas such as argon and their use in nuclear reactors |
| 09/20/1989 | EP0332950A1 Arrangement for depressurizing the containment of a nuclear power plant |
| 09/19/1989 | US4867941 Process for cleaning a guide tube for a means of measuring the neutron flux in a pressurized-water cooled nuclear reactor |