| Patents for G21F 9 - Treating radioactively contaminated material; Decontamination arrangements therefor (8,212) |
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| 02/14/1991 | DE3935646A1 Disposal of radioactive parts from nuclear power plant - using dry cell to house tools for compression and chopping to avoid water purificn., tooling problems and swarf in ponds |
| 02/14/1991 | DE3926252A1 Verfahren und vorrichtung zur zersetzung verbrauchter ionentauscherharze Method and device for decomposition of spent ion exchange resins |
| 02/13/1991 | EP0412815A2 Method and apparatus for concentrating dissolved and solid radioactive materials carried in a waste water solution |
| 02/12/1991 | CA1280087C Electrolyser for highly-active tritiated water |
| 02/10/1991 | WO1991002362A1 Process and device for disintegrating spent ion exchange resins |
| 02/10/1991 | CA2066741A1 Process and device for disintegrating spent ion exchange resins |
| 02/07/1991 | DE3925715A1 Filtrate processing in oxidic nuclear fuel prodn. - by ammonium uranium (plutonium) carbonate process |
| 02/06/1991 | CN1011479B Gas filter system |
| 01/29/1991 | US4988372 Purification by filtration gases through hollow filters, aerosols |
| 01/24/1991 | DE4016031A1 Solidifying toxic gas or liq. waste - by feeding into container with glass matrix under effect of microwave energy source to ensure uniform dispersion |
| 01/22/1991 | WO1991001392A1 Method of removing ions |
| 01/22/1991 | US4987313 Method of and apparatus for the storage of radioactive waste |
| 01/22/1991 | CA2064224A1 Method of removing ions |
| 01/16/1991 | EP0407785A1 System for the permanent storage of radioactive wastes |
| 01/16/1991 | EP0224510B1 Process for decontaminating radioactively contaminated metalic or cement-containing materials |
| 01/15/1991 | US4984598 System for working on the primary pipework and water box of a nuclear power station steam generator |
| 01/15/1991 | US4984510 System for posting articles into a containment |
| 01/10/1991 | DE3921336A1 Biological decontamination of soil - using plants, esp. polygonum sachalinense |
| 01/08/1991 | US4983549 Method for recycling plastic composite materials |
| 01/08/1991 | US4983306 Method of treating waste water |
| 01/08/1991 | US4983302 Boric acid and alkali nitrates, separating processes |
| 01/08/1991 | US4983282 Apparatus for removing liquid from a composition and for storing the deliquified composition |
| 01/08/1991 | CA1278687C Process for rendering harmless, dangerous chemical waste material |
| 01/03/1991 | DE3920551A1 Device for cleaning heavily contaminated water - divides water flow into a number of streams so that the flow rate through and the problems involved with using larger vessels are avoided |
| 01/02/1991 | EP0406158A2 Method for measuring radioactivity of metallic or cement-containing substances |
| 01/02/1991 | EP0406098A1 Process for dissolving oxyde deposited on a metallic substrate and its application to decontamination |
| 01/02/1991 | EP0404928A1 Method for radioactive decontamination of metal surfaces, particularly portions of primary circuits of water-cooled nuclear reactors |
| 01/01/1991 | US4981616 Spent fuel treatment method |
| 01/01/1991 | US4981394 Landfill |
| 12/31/1990 | CA2019523A1 Method for testing the radioactivity of objects containing metal or concrete |
| 12/27/1990 | WO1990016071A1 Nuclear power station with a safety shell and pressure-relieving process |
| 12/25/1990 | US4980093 Method of treating high-level radioactive waste liquid |
| 12/25/1990 | US4980092 Method for the destruction of chemically stable waste |
| 12/25/1990 | US4980091 Method and device enabling molten radioactive glass to be cast into a container |
| 12/25/1990 | US4980090 Process of isolating hazardous waste by centrifugal casting and product |
| 12/25/1990 | US4980077 Method for removing alkaline sulfate scale |
| 12/18/1990 | US4978647 Gel bead composition for metal adsorption |
| 12/18/1990 | US4978477 Extracting waste to carbon char |
| 12/18/1990 | CA1277826C Encapsulated ion-change resin and a method for its manufacture |
| 12/13/1990 | DE3918442A1 Visual indicator for nuclear waste container integrity - has simple bellows in lid of container sealed with low internal pressure |
| 12/12/1990 | EP0401300A1 Process and apparatus for classifying, segregating and isolating radioactive wastes |
| 12/12/1990 | EP0396651A4 Device and method for encapsulating radioactive materials |
| 12/12/1990 | CN1010749B Cleaning process of wet-exhaust gas and equipment thereof |
| 12/11/1990 | US4976912 Apparatus for sealing a container for the storage of radioactive material |
| 12/05/1990 | EP0400130A1 Concentration of radioactive liquid waste. |
| 12/04/1990 | US4975224 Process for encapsulation of oily liquid waste materials |
| 12/04/1990 | US4974527 Mobile incinerator system for low level radioactive solid waste |
| 12/04/1990 | US4974425 Closed cryogenic barrier for containment of hazardous material migration in the earth |
| 12/04/1990 | US4974379 Textural break foundation wall construction modules |
| 11/28/1990 | EP0333757A4 Ion exchange compositions |
| 11/27/1990 | US4973201 Method for removing scale and radioactive material from earth |
| 11/27/1990 | US4972652 Closures for containers |
| 11/24/1990 | CA2017406A1 Ultrasonic flow nozzle cleaning method and apparatus |
| 11/22/1990 | EP0398208A1 Separator for an electrolyse cel for acid tritiated water and process for manufacturing such a separator |
| 11/22/1990 | DE3930420C1 Radioactive waste tritium sepn. - by flushing in gas flow with oxygen, heating and passing tritium through water |
| 11/22/1990 | DE3916359A1 Subterranean horizontal depository for fuel elements - with transfer chamber and loading machine |
| 11/22/1990 | DE3916357A1 Subterranean storage place - for vertical fuel elements with unloading and transfer spaces |
| 11/20/1990 | US4971729 Inorganic ion exchange material |
| 11/15/1990 | WO1990013488A1 In-situ polymeric membrane for cavity sealing and mitigating transport of liquid hazardous materials |
| 11/15/1990 | DE3933929A1 Verfahren und vorrichtung zur endlagerung hochaktivierter stabfoermiger reaktoreinbauteile Method and device for endlagerung highly activated stabfoermiger reactor installation parts |
| 11/14/1990 | EP0396651A1 Device and method for encapsulating radioactive materials |
| 11/10/1990 | WO1990013519A1 Method and composition for treating waste water |
| 11/10/1990 | CA2054721A1 Method and composition for treating waste water |
| 11/07/1990 | EP0396322A2 Contaminated soil restoration method |
| 11/07/1990 | CN2065095U Drawer-type adsorber |
| 11/01/1990 | CA2014154A1 Contaminated soil restoration method |
| 10/30/1990 | US4966204 Carbon filter tray filling machine and method |
| 10/25/1990 | DE3912662A1 Contaminated soil cleaning - by mobile washing plant in two stacks |
| 10/24/1990 | EP0394108A1 Installation for continuous and real-time measurements of metal masses in acid solution, and of the acidity of this solution |
| 10/23/1990 | US4964900 Respirator filter means for removal of tritiated water |
| 10/18/1990 | WO1990012404A1 Radiation filtration method and apparatus for incubator and autoclave systems handling radioactive items |
| 10/18/1990 | WO1990011972A1 Sulfate scale dissolution |
| 10/18/1990 | WO1990011826A1 Uranium adsorbent |
| 10/17/1990 | EP0392903A1 Filter cartridge obtained by the wet process for filtering gases, in particular hot and/or radioactive and/or corrosive gases |
| 10/16/1990 | US4963293 Controlling level of decontamination solution in heat exchamger tubes |
| 10/10/1990 | EP0391659A2 Filtration system and method |
| 10/09/1990 | US4961442 Dynamic containment device |
| 10/04/1990 | WO1990012159A1 Method of decontaminating earth and/or natural gas processing equipment |
| 10/04/1990 | DE3924625C1 Storage of radioactive waste casks in vertical boreholes - comprises stacking casks in hole, placing fine salt gravel around casks and using props or supports to limit hydrostatic pressure |
| 10/03/1990 | EP0390678A1 Gutter for the evacuation of pieces, equipped with an aeriform barrier and its fitting to an irradiated fuel assembly reprocessing facility |
| 10/03/1990 | EP0390625A1 Process for producing a container for contaminated metallic waste, and container thus obtained |
| 10/03/1990 | EP0390379A2 Module for storage of nuclear waste packages |
| 10/03/1990 | EP0390378A2 Side loading vault system and method for the disposal of radioactive waste |
| 10/03/1990 | EP0390377A2 Inspectable vault system for the disposal of radioactive waste formed from vault cells having a liquid collection system |
| 10/03/1990 | EP0390375A2 Granular fill material for nuclear waste containing modules |
| 10/03/1990 | EP0252826B1 Process for the radioactive decontamination of an oil |
| 09/30/1990 | CA2013507A1 Granular fill material for nuclear waste containing modules |
| 09/30/1990 | CA2013506A1 Side loading vault system and method for the disposal of radioactive waste |
| 09/30/1990 | CA2013505A1 Storage module for nuclear waste with improved liner |
| 09/30/1990 | CA2013405A1 Inspectable vault system for the disposal of radioactive waste having a liquid collection system |
| 09/30/1990 | CA2013084A1 Manufacturing process of a container for contaminated metallic wastes and container thus obtained |
| 09/26/1990 | EP0389089A2 Method and apparatus for centrifugally casting hazardous waste |
| 09/25/1990 | WO1990011143A1 Silicon-containing environment-protective agent adsorbing radioactive metal isotopes and toxic heavy metals and a pharmaceutical composition containing same |
| 09/25/1990 | US4959181 Ion exchange using hydrous uranium dioxide |
| 09/25/1990 | CA2030542A1 Silicon-containing environment-protective agent adsorbing radioactive metal isotopes and toxic heavy metals and a pharmaceutical composition containing same |
| 09/23/1990 | CA2008836A1 Method and apparatus for centrifugally casting hazardous waste |
| 09/18/1990 | US4957692 Apparatus for handling a fuel element skeleton |
| 09/18/1990 | US4957518 Assembly useful for retaining components such as a filter to a container and a corresponding combination |
| 09/18/1990 | US4957394 Method and apparatus for sub-floor collection and disposal of radon gas |
| 09/11/1990 | US4955983 Side loading vault system and method for the disposal of radioactive waste |